Accrued Operating Current
Operating accruals
Carrying value as of the balance sheet date of operating obligations incurred through that date. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
All Countries [Axis]
Information pertaining of all countries.
Allowance for Unfulfilled Customer Purchase Obligations (deducted from accounts receivable)
A valuation allowance for the amount of unfulfilled customer purchase obligations expected to be uncollectible.
Allowance for Unfulfilled Customer Purchase Obligations [Member]
Annual Cash Compensation Received by Directors
Cash compensation received by directors per year
Represents the annual cash compensation received by directors.
Antidilutive Securities Excluded from Computation of Earnings Per Share, Weight Average Exercise Price
The weighted-average exercise price of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
Weighted-average exercise price of options excluded from computation of diluted (loss) income per share (in dollars per share)
Asset Retirement Obligation, Reduction in Depreciation and Amortization Due to Revision of Estimate
Reduction in depreciation and amortization expense offsetting reduction in asset retirement obligation liability
Represents the reduction in depreciation and amortization expense offsetting reduction in asset retirement obligation liability.
Award Type [Axis]
Asset Retirement Obligation, Reduction in Selling General and Administrative Expenses Due to Revision of Estimate
Reduction in selling, general and administrative expenses offsetting reduction in asset retirement obligation liability
Represents the reduction in selling, general and administrative expenses offsetting reduction in asset retirement obligation liability.
Capital Leases Term
Capital lease term
Represents the term of capital leases.
Capital Leases Term, High End of Range
Capital lease term, high end of range
Represents the high end of the range of capital lease term.
Capital Leases Term, Low End of Range
Capital lease term, low end of range
Represents the low end of the range of capital lease term.
Amendment Description
Common Stock, Voting Rights Per Share
Voting rights per common share
The number of voting rights for each share of the entity's common stock held by each stockholder.
Amendment Flag
Debt Instrument, Additional Interest Rate Per Annum in Event of Default
Represents the additional interest rate required to be paid per annum in the event of default.
Additional interest rate in the event of default (as a percent)
Debt Instrument, Conversion Obligation Common Stock Closing Sales Price as Percentage of Conversion Price
Represents the percentage of the closing sales price of the entity's common stock for at least 20 days within 30 consecutive trading days that the closing sales price of the entity's common stock must exceed the conversion price in order for the debt instrument to be convertible.
Percentage of the closing sales price of the entity's common stock that the conversion price must exceed in order to make the notes convertible
Debt Instrument Conversion Obligation Common Stock Closing Sales Price Number of Trading Days
Represents the number of trading days within a period of 30 consecutive trading days during which the closing price of the entity's common stock must exceed the applicable conversion price in order for the debt instruments to be convertible.
Number of days within 30 consecutive trading days in which the closing price of the entity's common stock must exceed the conversion price for the notes to be redeemable
Debt Instrument, Conversion Obligation Number of Consecutive Trading Days
Represents the number of consecutive trading days during which the closing price of the entity's common stock must exceed the applicable conversion price for at least 20 days in order for the debt instruments to be convertible.
Number of consecutive trading days during which the closing price of the entity's common stock must exceed the conversion price for at least 20 days in order to make the notes redeemable
Debt Instrument, Convertible Conversion Ratio, Minimum
The minimum number of shares to be issued per $1,000 principal amount upon conversion.
Conversion ratio minimum, number of shares per $1,000 principal amount
Debt Instrument, Initial Period to Charge Special Interest
Represents the initial period to charge special interest after failure to maintain shelf registration with the SEC.
Initial period to charge special interest after failure to maintain shelf registration statement with SEC
All Countries [Domain]
Percentage of outstanding principal amount used in calculation of make-whole premium
Represents the percentage of outstanding principal amount used in calculation of make-whole premium.
Debt Instrument, Make Whole Premium as Percentage of Outstanding Principal Amount
Debt Instrument, Minimum Percentage of Principal Amount at which Holders may Declare Unpaid Principal and Accrued Interest Due and Payable Immediately in Case of Default
Represents the minimum percentage of the principal amount of the debt instrument at which the holder may declare the unpaid principal and accrued interest to be due and immediately payable in the event of default.
Minimum percentage of principal amount of debt instrument at which holder may declare unpaid principal and accrued interest to be due and payable
Debt Instrument, Percentage of Original Issuance, Discount
Percentage of original issuance discount
Represents the percentage of original issuance discount.
Debt Instrument, Proceeds from Sale of Assets, Minimum
Represents the minimum amount of cash proceeds from certain sales of assets at which the entity must offer to purchase notes.
Minimum amount of proceeds from certain asset sales at which company must offer to purchase notes
Debt Instrument, Redemption Period June 2014 and 2017 and 2022 [Member]
June 15, 2014, 2017 and 2022
The period June 15, 2014, 2017 and 2022.
Debt Instrument Redemption Period [Axis]
The periods over which the redemption price is in effect.
Debt Instrument, Redemption Period [Domain]
The period over which the redemption price is in effect.
The period on or after June 20, 2014.
Debt Instrument, Redemption Period on or after June 2014 [Member]
On or after June 20, 2014
Debt Instrument, Redemption Period, Prior to February 2014 [Member]
Prior to February 15, 2014
The period prior to February 15, 2014.
Debt Instrument, Redemption Period Prior to February 2015 [Member]
The period prior to February 15, 2015.
Prior to February 15, 2015
Current Fiscal Year End Date
Debt Instrument, Redemption Period, Twelve Month Period Beginning February 2015 [Member]
The twelve month period beginning February 15, 2015.
12-month period beginning on February 15, 2015
Debt Instrument, Redemption Period Twelve Month Period Beginning February 2016 [Member]
12-month period beginning on February 15, 2016
The twelve month period beginning February 15, 2016.
Debt Instrument, Redemption Period, Twelve Month Period Beginning February 2017 and Thereafter [Member]
12-month period beginning on February 15, 2017 and thereafter
The twelve month period beginning February 15, 2017 and thereafter.
Debt Instrument, Redemption Price as Percentage of Principal Amount
Represents the redemption price of the debt instrument as a percentage of the principal amount.
Redemption price of debt instrument (as a percent)
Debt Instrument, Redemption Price as Percentage of Principal Amount Holders of Convertible Notes Rights
Represents the redemption price of the debt instrument as a percentage of the principal amount that the holders of the notes have the right to require the Company to repurchase for cash all or some of the notes.
Percentage of principal amount that the holders of the Convertible Notes may require the Company to repurchase
Debt Instrument, Redemption Price Due to Assets Sales Percentage of Principal Amount
Represents the redemption price as a percentage of the principal amount at which the debt instrument is required to be redeemed upon meeting minimum proceeds from certain asset sales.
Percentage of principal amount at which notes will be required to be repurchased upon meeting minimum proceeds from certain asset sales
Debt Instrument, Redemption Price Due to Change of Control as Percentage of Principal Amount
Represents the redemption price as a percentage of the principal amount at which the debt instrument is required to be redeemed in the event of a change of control.
Percentage of principal amount at which notes will be required to be repurchased in the event of a change of control
Debt Instrument, Redemption with Net Proceeds from Equity Offerings as Percentage of Original Principal, Maximum
Represents the maximum percentage of the principal amount of the debt instrument that the entity may redeem with net cash proceeds from certain equity offerings.
Maximum percentage of principal amount of debt instrument which the entity may redeem with proceeds from certain equity offerings
Debt Instrument, Security of Notes and Guarantees as Percentage of Equity Interests of First Tier Foreign, Subsidiaries
Security of senior notes and guarantees, expressed as a percentage of equity interests of first-tier foreign subsidiaries held by Company and its guarantors
Represents the security of senior notes and the guarantee as a percentage of equity interests of first-tier foreign subsidiaries held by the entity and its guarantors.
Represents the special interest rate required to be paid after the first 90 day period by the Company on the failure to maintain the shelf registration statement with the SEC.
Special interest rate required to be paid after the first 90 day period after failure to maintain shelf registration statement with SEC (as a percent)
Debt Instrument, Special Interest Rate after First Specified Days after Failure to Meet Requirement
Debt Instrument, Special Interest Rate for First Specified Days after Failure to Meet Requirement
Represents the special interest rate required to be paid for the first 90 days by the Company on the failure to maintain the shelf registration statement with the SEC.
Special interest rate required to be paid for first 90 days after failure to maintain shelf registration statement with SEC (as a percent)
Document Period End Date
CANADA
Canada
The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from accrued and other liabilities.
Deferred Tax Assets, Tax Deferred Expense Reserves and Accruals Accrued Liabilities and Other
Accrued liabilities and other
Net Deferred Tax Assets before Valuation Allowance
Net deferred tax assets before valuation allowance
Represents the amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.
Convertible Notes
The amount as of the balance sheet date of the estimated future tax effects attributable to investments in convertible notes.
Deferred Tax Liabilities, Convertible Notes
Represents the amount of deferred tax liability attributable to taxable temporary differences from share-based compensation.
Deferred Income Tax Liabilities Share Based Compensation
Equity-based compensation
Deposits and Other Assets Noncurrent
This element represents the carrying value of amounts transferred to third parties for security purposes, that are expected to be returned or applied towards payment in the future, which also includes other assets and restricted assets, which are expected to be realized after one year.
Deposits and other assets ($442 and $457 restricted, respectively)
Deposits and Other Restricted Assets Noncurrent
This element represents the noncurrent deposits and other assets that are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits classified as long-term.
Deposits and other assets, restricted (in dollars)
Document and Entity Information
Europe
Represents information pertaining to its European operations.
Europe [Member]
Exercise Price Range from Dollars 0.00 to Dollars 6.00 [Member]
Range of Exercise Prices from $0.00 to $6.00
Represents the range of exercise price from 0.00 dollars to 6.00 dollars.
Entity [Domain]
Exercise Price Range from Dollars 0.00 to Dollars 7.13 [Member]
Range of Exercise Prices from $0.00 to $7.13
Represents the range of exercise price from 0.00 dollars to 7.13 dollars.
Range of Exercise Prices from $10.19 to $17.00
Represents the range of exercise price from $10.19 to $17.00.
Exercise Price Range from Dollars 10.19 to Dollars 17.00 [Member]
Exercise Price Range from Dollars 12.00 to Dollars 17.05 [Member]
Range of Exercise Prices from $12.00 to $17.05
Represents the range of exercise price from 12.00 dollars to 17.05 dollars.
Exercise Price Range from Dollars 0.00 to Dollars 8.23 [Member]
Range of Exercise Prices from $0.00 to $8.23
Represents the range of exercise price from 0.00 dollars to 8.23 dollars.
Exercise Price Range from Dollars 8.24 to Dollars 15.42 [Member]
Range of Exercise Prices from $8.24 to $15.42
Represents the range of exercise price from 8.24 dollars to 15.42 dollars.
Exercise Price Range from Dollars 15.85 to Dollars 17.33 [Member]
Range of Exercise Prices from $15.85 to $17.33
Represents the range of exercise price from 15.85 dollars to 17.33 dollars.
Exercise Price Range from Dollars 18.31 to Dollars 33.56 [Member]
Range of Exercise Prices from $18.31 to $33.56
Represents the range of exercise price from 18.31 dollars to 33.56 dollars.
Range of Exercise Prices from $17.38 to $17.38
Represents the range of exercise price from 17.38 dollars to 17.38 dollars.
Exercise Price Range from Dollars 17.38 to Dollars 17.38 [Member]
Range of Exercise Prices from $19.43 to $33.56
Represents the range of exercise price from 19.43 dollars to 33.56 dollars.
Exercise Price Range from Dollars 19.43 to Dollars 33.56 [Member]
Range of Exercise Prices from $6.09 to $10.05
Represents the range of exercise price from 6.09 dollars to 10.05 dollars.
Exercise Price Range from Dollars 6.09 to Dollars 10.05 [Member]
Exercise Price Range from Dollars 7.24 to Dollars 11.10 [Member]
Range of Exercise Prices from $7.24 to $11.10
Represents the range of exercise price from 7.24 dollars to 11.10 dollars.
Expiration of warrants
Expiration of Warrants
Represents the value of warrants not exercised by the right holder and whose time of exercise has been lapsed.
Foreign Currency Transactions Adjustment and Comprehensive Income (Loss) [Policy Text Block]
Foreign currency translation adjustment and comprehensive income (loss)
Disclosure of the entity's accounting policy for foreign currency translation adjustment and comprehensive income (loss).
2004 Incentive Award Plan
Represents information pertaining to the 2004 Incentive Award Plan, as amended, under which the grants of restricted stock and options for common stock are made.
Incentive Award Plan 2004 [Member]
Income Tax Expense (Benefit) Due to Reduction in Valuation Allowance
Income tax benefit due to reduction in valuation allowance
Represents the income tax benefit due to reduction in valuation allowance.
Income Tax Reconciliation, Alternative Minimum Tax
Alternative minimum tax
The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the alternative minimum tax during the period.
Deposits and other assets
Increase (Decrease) in Deposits and Other Assets
This element represents the increase decrease in the carrying value of amounts transferred to third parties for security purposes, that are expected to be returned or applied towards payment in the future, which also includes other assets and restricted assets.
Additional shares included in the calculation of diluted weighted-average shares as a result of the potentially dilutive effect of restricted stock.
Incremental Common Shares Attributable to Restricted Stock
Dilutive effect of shares of restricted stock (in shares)
Incremental Common Shares Attributable to Stock Options
Dilutive effect of stock options (in shares)
Additional shares included in the calculation of diluted weighted-average shares as a result of the potentially dilutive effect of stock options.
Headquarters building
Represents information pertaining to Niobium LLC.
Niobium LLC [Member]
Maximum Speed Per Second to Bandwidth Intensive Users
On-net internet access to bandwidth-intensive users, maximum speed per second (in gigabits)
Maximum speed per second provided to net centric customers through on-net internet access.
Network operations, equity-based compensation expense
Network Operations Include Equity Based Compensation Expense
This element represents the expenses related to equity based compensation, which includes network operations, during the reporting period by the entity.
North America
Represents information pertaining to its European operations.
North America [Member]
Number of Nonmanagement Directors who will Receive Shares Instead of Cash Compensation
Number of non-management directors who will receive shares instead of cash compensation
Represents the number of non-management directors who will receive restricted stock shares instead of cash compensation.
Number of Subsidiaries Filing Income Tax Returns
Number of subsidiaries filing income tax returns in U.S. federal, and various state and foreign jurisdictions
Represents the number of subsidiaries filing income tax returns in federal, state and foreign jurisdictions.
Office and other equipment
Long-lived, depreciable assets not directly used in the production process for inventories or facilities and other tangible personal property, nonconsumable in nature, with finite lives used to produce goods and services.
Office and Other Equipment [Member]
Operating Loss Carryforwards Not Subject to Expiration
The amount of operating loss carryforwards which are not subject to expiration dates.
Net operating loss carry-forwards not subject to expiration
Operating Loss Carryforwards Subject to Expiration
The amount of operating loss carryforwards which are subject to expiration dates.
Net operating loss carry-forwards subject to expiration
Represents owned assets of the entity.
Owned Assets [Member]
Owned assets:
2010 Restricted stock grant performance based
Represents a share based compensation award that occurred in 2010 where vesting or granting of the award is based upon meeting certain performance conditions.
Performance 2010 [Member]
2011 Restricted stock grant performance based
Represents a share based compensation award that occurred in 2011 where vesting or granting of the award is based upon meeting certain performance conditions.
Performance 2011 [Member]
Performance Based Criteria [Domain]
Share based compensation awards where the vesting or actual grant is contingent upon meeting certain performance based conditions.
Property Equipment Capital Leases [Member]
Property, equipment and capital leases
Capitalized costs for property, equipment and capital leases.
Capitalized compensation costs of employees
Property, Plant and Equipment Compensation Costs Capitalized
Represents the compensation costs the entity capitalizes as a part of property, plant and equipment.
Dollar value of related parties' interest in lease payments
Represents the dollar value of related parties' interest in lease payments during the period.
Related Party Transaction, Dollar Value of Related Parties Interest in Lease Payments
Related Party Transaction, Number of Owners
Number of owners of the partnership
Represents the number of owners of the partnership.
Related Party Transaction, Ownership Percentage of Related Party
Ownership interest of related parties held in the partnership (as a percent)
Represents the percentage of interest held by the related parties in the partnership.
Related Party Transaction, Percentage of Dollar Value of Related Parties Interest in Lease Payments
Percentage of dollar value of each related party's interest in lease payments
Represents the percentage of dollar value of each related party's interest in lease payments during the period.
Revenue Recognition and Allowance for Doubtful Accounts [Policy Text Block]
Revenue recognition and allowance for doubtful accounts
Disclosure of entity's accounting policy for revenue recognition and allowance for doubtful accounts.
Schedule of Debt and Equity Components for Convertible Notes [Table Text Block]
Schedule of debt and equity components for the Convertible Notes
Tabular disclosure of the debt and equity components for convertible notes.
Schedule of Interest Expense Recognized and Effective Rate on Convertible Notes [Table Text Block]
Schedule of interest expense recognized and the effective interest rate for the Convertible Notes
Tabular disclosure of the interest expense recognized and the effective interest rate on convertible notes during the period.
Schedule of Performance Criteria [Axis]
Pertinent data describing and reflecting the required disclosures where the vesting of share based compensation awards are contingent upon meeting certain performance conditions.
Schedule of Property, Plant and Equipment Depreciation of Amortization Period [Table Text Block]
Schedule of depreciation and amortization periods
Tabular disclosure of period of depreciation or amortization of property, plant and equipment.
Selling, General and Administrative Expenses Include Equity Based Compensation Expense
This element represents the expenses related to equity based compensation, which includes selling, general and administrative expenses, during the reporting period by the entity.
Selling, general, and administrative, equity-based compensation expense
Description of the business and summary of significant accounting policies:
Share Based Compensation Arrangement by Share Based Payment Award, Award Exercise Period of Options Vested
Exercise period of options vested, when an employee is terminated prior to full vesting
Represents the exercise period of vested options, which the employee may elect to exercise, when an employee is terminated prior to full vesting.
Share Based Compensation Arrangement by Share Based Payment Award, Award Service Period of Value to be Recognized
Period of service over which value of shares will be recognized as expense on a straight-line basis
Represents the period of service over which the value of shares will be recognized as an expense on a straight-line basis.
Entity Well-known Seasoned Issuer
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Nonvested Weighted Average Grant Date Fair Value [Abstract]
Weighted-Average Grant Date Fair Value
Entity Voluntary Filers
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options Vested and Expected to Vest Outstanding Number
Number of shares to be received by non-management directors instead of cash
Represents the number of equity instruments other than options vested and expected to vest for non-management directors.
Entity Current Reporting Status
Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options Vested Number Per Quarter
Number of shares to be received by non-management directors per quarter, instead of cash
Represents the number of vested equity instruments other than options to be distributed quarterly to non-management directors.
Entity Filer Category
Share Based Compensation Arrangement by Share Based Payment Award, Increase in Number of Shares Authorized
Increase in the number of authorized shares
Represents the increase in the number of authorized shares of the award plan approved by the company's stockholders.
Entity Public Float
Share Based Compensation Arrangement by Share Based Payment Award, Options Intrinsic Value [Abstract]
Aggregate Intrinsic Value
Entity Registrant Name
Share Based Compensation Arrangement by Share Based Payment Award, Options Weighted Average Remaining Contractual Term [Abstract]
Weighted-Average Remaining Contractual Life (in years)
Entity Central Index Key
Share Based Compensation, Shares Authorized under Stock Option Plans, Options Exercisable [Abstract]
Options Exercisable
Share Based Compensation, Shares Authorized under Stock Option Plans Options Outstanding [Abstract]
Options Outstanding
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Abstract]
Expected changes in the liability for uncertain tax positions
Speed Per Second to Bandwidth Intensive Users
Speed per second of bandwidth (in megabits/gigabits)
Represents the speed per second of bandwidth.
Entity Common Stock, Shares Outstanding
Unrecognized Tax Benefits Including Income Tax, Penalties and Interest Accrued
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. This includes accrued interest and penalties.
Amount of liability relating to uncertain tax positions including accrued interest and penalties
Unrecorded Unconditional Purchase Obligation Maximum Term
Maximum period of maintenance payment
Represents the maximum period of maintenance payment under unrecorded unconditional purchase obligation.
Unrecorded Unconditional Purchase Obligation Remaining to be Ordered
Amount remaining to be ordered
Represents the equipment remaining to be ordered.
Related Party Transaction, Extension to Lease Term
Additional lease term
Represents the additional extension to existing lease term in years under related party transaction.
Share Based Compensation Arrangement by Share Based Payment Award Award Expiration Term
Expiration period
The date when the equity-based award expires as specified in the award agreement, which may be presented in a variety of ways (for example, year, month and year, day, month and year, quarter of a year).
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Accrued and other liabilities:
2012 Restricted stock grant performance based
Represents a share based compensation award that occurred in 2012 where vesting or granting of the award is based upon meeting certain performance conditions.
Performance 2012 [Member]
On Net Services [Abstract]
On-net service - high-speed Internet access and IP connectivity
Decrease in Deferred Tax Assets Due to Unrecognized Tax Benefits being Recognized
Decrease in deferred tax assets due to unrecognized tax benefits being recognized
Represents the decrease in deferred tax assets due to unrecognized tax benefits being recognized in the reporting period.
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accrued and other current liabilities
Unrecognized Tax Benefits Reversal of Interest on Income Taxes Accrued
Reversal of accrued interest and penalties related to uncertain tax positions
Represents the amount of reversal of accrued interest and penalties for uncertain tax positions due to the resolution of certain state income tax issues pursuant to the completion of an audit, and, from the expiration of certain statutes of limitation.
Reversal of Unrecognized Tax Benefits
Reversal of liability for uncertain tax positions
Represents the amount of reversal of unrecognized tax benefits due to the resolution of certain state income tax issues pursuant to the completion of an audit, and, from the expiration of certain statutes of limitation.
Income Tax Reconciliation Foreign Branch Tax Benefit
Foreign branch tax benefit
Represents the portion of the difference between total income tax expense or benefit as reported in the Income Statement for the current period and the expected income tax expense or benefit computed attributable to foreign branch tax benefit.
Income Tax Reconciliation Foreign Exchange Effect onTax Assets
Foreign exchange effect on tax assets
Represents the portion of the difference between total income tax expense or benefit as reported in the Income Statement for the current period and the expected income tax expense or benefit computed attributable to foreign exchange effect on tax assets.
Income Tax Reconciliation Net Operating Loss Limitation
Net operating loss limitation
Represents the portion of the difference between total income tax expense or benefit as reported in the Income Statement for the current period and the expected income tax expense or benefit computed attributable to net operating loss limitation.
Document Fiscal Year Focus
Document Fiscal Period Focus
Legal Entity [Axis]
Document Type
Accounts Receivable, Net, Current
Accounts receivable, net of allowance for doubtful accounts of $3,083 and $3,345, respectively
Accounts Payable, Current
Accounts payable
Mexico
MEXICO
Accrual for Taxes Other than Income Taxes, Current
Taxes-non-income based
UNITED STATES
United States
Accrued Liabilities, Current
Accrued and other current liabilities
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Accumulated depreciation and amortization
Less-Accumulated depreciation and amortization
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive income
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income
Additional Paid in Capital, Common Stock
Additional paid-in capital
Additional Paid-in Capital [Member]
Additional Paid-in Capital
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Excess income tax benefit
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Equity-based compensation
Allocated Share-based Compensation Expense
Equity-based compensation expense
Allowance for Doubtful Accounts Receivable, Current
Accounts receivable, allowance for doubtful accounts (in dollars)
Allowance for Doubtful Accounts [Member]
Allowance for doubtful accounts (deducted from accounts receivable)
Allowance for Loan and Lease Losses, Provision for Loss, Net
Bad debt expense, net of recoveries
Bad debt expense, net of recoveries
Amortization of Financing Costs and Discounts
Amortization of debt discount-convertible notes
Amortization of discount and costs
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Shares not included in the computation of basic or diluted (loss) income per share as the effect would be anti-dilutive
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Basic and diluted net (loss) income per common share
Antidilutive Securities, Name [Domain]
Antidilutive Securities [Axis]
Asset Retirement Obligation
Balance at the beginning of the period
Balance at the end of the period
Asset Retirement Obligation [Abstract]
Revisions in the estimated amount due to change in extensions of lease terms
Asset Retirement Obligation, Accretion Expense
Amortization of discount
Asset Impairment Charges
Asset impairment
Impairment charge of property and equipment that are no longer in use
Asset impairment
Asset Retirement Obligation, Foreign Currency Translation
Effect of exchange rates
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Reconciliation of the amounts related to asset retirement obligations
Asset Retirement Obligations, Policy [Policy Text Block]
Asset retirement obligations
Asset Retirement Obligation, Revision of Estimate
Revision to estimated obligation
Assets, Current [Abstract]
Current assets:
Assets [Abstract]
Assets
Assets, Current
Total current assets
Assets Held under Capital Leases [Member]
Indefeasible rights of use (IRUs)
Assets
Total assets
Building [Member]
Owned buildings
Building
Capital Leases of Lessee [Abstract]
Capital leases
Capital Leases, Future Minimum Payments Due in Two Years
2014
Capital Leases, Future Minimum Payments Due in Five Years
2017
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments
Present value of minimum lease obligations
Capital Lease Obligations [Abstract]
Release of lease obligation
Capital Leases, Future Minimum Payments Due
Total minimum lease obligations
Capital Addition Purchase Commitments [Member]
Equipment
Capital Lease Obligations Incurred
Non-cash financing activities-capital lease obligations incurred
Capital Leases, Future Minimum Payments Due in Three Years
2015
Capital Leases, Future Minimum Payments Due, Next Twelve Months
2013
Capital Leases, Future Minimum Payments Due Thereafter
Thereafter
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments, Fiscal Year Maturity [Abstract]
Future minimum payments under capital lease agreements
Capital Leases, Future Minimum Payments Due in Four Years
2016
Capital Leased Assets [Line Items]
Commitments and contingencies
Capital Lease Obligations, Current
Current maturities, capital lease obligations
Current maturities
Capital Lease Obligations, Noncurrent
Capital lease obligations, net of current maturities
Capital lease obligations, net of current maturities
Capital Leases, Future Minimum Payments, Interest Included in Payments
Less-amounts representing interest
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents
Cash and cash equivalents, beginning of year
Cash and cash equivalents, end of year
Chief Executive Officer [Member]
Chief Executive Officer
Class of Stock [Domain]
Commitments and Contingencies Disclosure [Text Block]
Commitments and contingencies:
Commitments and contingencies:
Commitments and Contingencies
Commitments and contingencies
Common Stock [Member]
Common Stock
Common Stock, Shares, Outstanding
Common stock, shares outstanding
Common Stock, Value, Issued
Common stock, $0.001 par value; 75,000,000 shares authorized; 47,116,644 and 45,893,347 shares issued and outstanding, respectively
Common Stock, Shares, Issued
Common stock, shares issued
Balance (in shares)
Balance (in shares)
Common Stock, Dividends, Per Share, Declared
Value of dividend declared, per common share (in dollars per share)
Dividends declared per common share (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common stock, par value (in dollars per share)
Common Stock, Shares Authorized
Common stock, shares authorized
Components of Deferred Tax Assets [Abstract]
Net deferred tax asset
Components of Deferred Tax Assets and Liabilities [Abstract]
Deferred tax assets (liabilities)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Comprehensive (loss) income:
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Comprehensive (loss) income
Comprehensive Income [Member]
Comprehensive (Loss) Income
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Concentrations of credit risk
Consolidation, Policy [Policy Text Block]
Principles of consolidation
Convertible Notes Payable, Noncurrent
Convertible senior notes, net of discount of $9,494 and $15,366, respectively
Net carrying amount
Convertible Notes Payable [Member]
Convertible senior notes
Cost of Sales, Policy [Policy Text Block]
Network operations
Cost of Services
Network operations (including $529, $510 and $370 of equity-based compensation expense, respectively, exclusive of amounts shown separately)
Network operations, including equity-based compensation expense
Costs and Expenses [Abstract]
Operating expenses:
Costs and Expenses
Total operating expenses
Current State and Local Tax Expense (Benefit)
State income tax
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current provision
Current Foreign Tax Expense (Benefit)
Foreign income tax
Current Federal Tax Expense (Benefit)
Federal income tax
Debt Instrument, Description of Variable Rate Basis
Discount rate used to compute make-whole premium, description of variable interest rate
Long-term Debt, Gross
Principal amount
Long-term debt
Debt Instrument [Line Items]
Schedule of Long-term Debt Instruments [Table]
Debt Instrument, Fair Value Disclosure
Debt instrument, amount
Long-term debt:
Debt Instrument, Convertible, Conversion Price
Initial conversion price of notes (in dollars per share)
Conversion price (in dollars per share)
Debt Instrument, Convertible, Remaining Discount Amortization Period
Remaining recognition period of unamortized discount
Debt Instrument, Convertible, Conversion Ratio
Conversion ratio, number of shares per $1,000 principal amount
Debt Instrument, Basis Spread on Variable Rate
Discount rate used to compute make-whole premium, basis points added to reference rate (as a percent)
Debt Instrument [Axis]
Debt Instrument, Decrease, Repayments
Aggregate face value of debt purchased
Debt Instrument, Convertible, Number of Equity Instruments
Number of shares yield after conversion
Debt Instrument, Face Amount
Aggregate principal amount of debt issued
Debt, Policy [Policy Text Block]
Debt with conversion options
Debt Instrument, Interest Rate, Effective Percentage
Effective interest rate (as a percent)
Debt Instrument, Name [Domain]
Debt Instrument, Increase, Additional Borrowings
Aggregate principal amount of debt issued
Debt Instrument, Unamortized Discount
Convertible senior notes, discount (in dollars)
Unamortized discount
Debt Instrument, Convertible, Interest Expense
Interest expense
Debt Instrument, Convertible, Carrying Amount of Equity Component
Principal amount of convertible senior notes
Additional paid-in capital
Debt Instrument, Interest Rate, Stated Percentage
Interest rate (as a percent)
Debt Instruments [Abstract]
Debt and equity components for the Convertible Notes
Depreciation
Deferred Tax Assets, Property, Plant and Equipment
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred provision
Deferred Foreign Income Tax Expense (Benefit)
Foreign income tax
Total gross deferred tax liabilities
Deferred Tax Liabilities, Gross
Deferred Tax Assets, Net
Net deferred tax asset
Deferred Tax Assets, Gross [Abstract]
Deferred Tax Assets:
Total gross deferred tax assets
Deferred Tax Assets, Gross
Deferred State and Local Income Tax Expense (Benefit)
State Income tax
Deferred Revenue, Current
Deferred revenue-current portion
Deferred Tax Assets, Operating Loss Carryforwards
Net operating loss carry-forwards
Deferred Tax Assets, Tax Credit Carryforwards
Tax credits
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Equity-based compensation
Deferred Tax Assets, Valuation Allowance
Valuation allowance
Deferred Tax Liabilities, Gross [Abstract]
Deferred Tax Liabilities:
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Defined contribution plan
Defined Contribution Plan, Cost Recognized
Matching cash payments towards defined contribution plan
Depreciation, Depletion and Amortization
Depreciation and amortization
Depreciation and amortization expense
Director [Member]
Director
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Stock option and award plan:
Stock option and award plan:
Dividend Declared [Member]
Dividend declared after Balance Sheet date
Dividends, Common Stock, Cash
Value of dividend paid
Dividends paid
Earnings Per Share, Diluted
Diluted net (loss) income per common share (in dollars per share)
Net (loss) income per common share - diluted (in dollars per share)
Earnings Per Share, Basic
Basic and diluted net income (loss) per common share (in dollars per share)
Net (loss) income per common share - basic (in dollars per share)
Earnings Per Share, Basic and Diluted
Basic and diluted net (loss) income per common share (in dollars per share)
Net (loss) income per common share- basic and diluted
Earnings Per Share, Policy [Policy Text Block]
Basic and diluted net (loss) income per common share
Earnings Per Share [Abstract]
Net (loss) income per common share:
Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations
Effect of exchange rate changes on cash
Employee-related Liabilities, Current
Payroll and benefits
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition
Weighted-average period to recognize unrecognized compensation cost
Employee Stock Option [Member]
Stock options
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount
Capitalized compensation expense
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized
Total unrecognized compensation cost
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options
Cash received from exercise of stock option
Equipment [Member]
Network equipment
Equity Component [Domain]
Equity Component [Domain]
Extinguishment of Debt, Amount
Gain from extinguishment of capital lease obligation
Fair Value, Hierarchy [Axis]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial instruments
Fair Value of Financial Instruments, Policy [Policy Text Block]
Financial instruments
Fair Value, Inputs, Level 1 [Member]
Level 1
Fair Value, Inputs, Level 2 [Member]
Level 2
Gain (Loss) on Disposition of Assets
Gains-dispositions of assets and other, net
Gain (Loss) on Sale of Leased Assets, Net, Operating Leases
Gain-release of lease obligation
Gains (Losses) on Extinguishment of Debt
Release of lease obligation (Note 6)
Immediate Family Member of Management or Principal Owner [Member]
Chief Executive Officer's wife
Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]
Long-lived assets
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]
Components of (loss) income before income taxes
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Foreign
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Income Tax Disclosure [Text Block]
Income taxes:
Income taxes:
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
(Loss) income before income taxes
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Domestic
Income Tax Expense (Benefit)
Income tax (expense) benefit
Total income tax provision (benefit)
Income tax (provision) benefit
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate
Federal income tax at statutory rates
Reconciliation of the Federal statutory income taxes to the amounts reported in the financial statements
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Income Tax Reconciliation, Nondeductible Expense
Non-deductible expenses
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance
Change in valuation allowance
Income Tax Reconciliation, Foreign Income Tax Rate Differential
Impact of foreign operations
Income Tax Examination, Penalties and Interest Accrued
Accrued interest and penalties
Income Tax Reconciliation, State and Local Income Taxes
State income tax, net of federal benefit
Income Tax Uncertainties [Abstract]
Interest and penalties related to uncertain tax positions
Income Tax, Policy [Policy Text Block]
Income taxes
Other
Income Tax Reconciliation, Other Reconciling Items
Income Taxes Paid
Cash paid for income taxes
Income Tax Reconciliation, Tax Credits
State tax credits
Income Tax Reconciliation, Other Adjustments
Change in tax reserves
Increase (Decrease) in Deferred Income Taxes
Deferred income taxes
Increase (Decrease) in Accounts Receivable
Accounts receivable
Increase (Decrease) in Operating Capital [Abstract]
Changes in assets and liabilities:
Increase (Decrease) in Operating Liabilities
Accounts payable, accrued liabilities and other long-term liabilities
Increase (Decrease) in Prepaid Expense and Other Assets
Prepaid expenses and other current assets
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity
Interest Payable, Current
Interest
Interest Expense
Interest expense
Interest Expense, Debt, Excluding Amortization
Contractual coupon interest
Interest and Other Income
Interest income and other
Interest Expense, Debt [Abstract]
Amount of interest expense recognized and effective interest rate
Interest Expense, Debt
Interest expense related to its senior notes
Interest Paid
Cash paid for interest
Letters of Credit Outstanding, Amount
Letters of credit, outstanding amount
Land [Member]
Land
Lease Agreements [Member]
Renewal of lease
Leasehold Improvements [Member]
Leasehold improvements
Liabilities, Current
Total current liabilities
Liabilities, Current [Abstract]
Current liabilities:
Liabilities
Total liabilities
Liabilities and Equity [Abstract]
Liabilities and stockholders' equity
Liabilities and Equity
Total liabilities and stockholders' equity
Long-term Debt
Total
Long-term Debt, Fiscal Year Maturity [Abstract]
Long-term debt maturities
Long-term Debt [Text Block]
Long-term debt:
Long-term Debt, Maturities, Repayments of Principal in Year Three
2015
Long-term Debt, Maturities, Repayments of Principal in Year Two
2014
Long-term Debt, Maturities, Repayments of Principal in Year Four
2016
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
2013
Long-term Debt, Maturities, Repayments of Principal in Year Five
2017
Long-term Debt, Maturities, Repayments of Principal after Year Five
Thereafter
Loss Contingencies [Table]
Loss Contingency, Loss in Period
Maximum loss excess of amount accrued
Loss Contingencies [Line Items]
Contingencies
Loss Contingency, Estimate of Possible Loss
Estimate of possible loss in excess of the amount accrued
Maximum [Member]
Maximum
Minimum [Member]
Minimum
Movement in Valuation Allowances and Reserves [Roll Forward]
Movement in valuation and qualifying accounts
Long-Lived Assets
Long lived assets, net
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Cash flows from financing activities:
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Cash flows from operating activities:
Net Cash Provided by (Used in) Continuing Operations
Net increase in cash and cash equivalents
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Net cash used in investing activities
Net Income (Loss) Available to Common Stockholders, Basic
Net (loss) income
Net (loss) income
Net Cash Provided by (Used in) Financing Activities, Continuing Operations
Net cash (used in) provided by financing activities
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Cash flows from investing activities:
New Contract [Axis]
New Contract [Domain]
Noncash Investing and Financing Items [Abstract]
Non-cash financing activities-
Number of Operating Segments
Number of operating segments
Operating Leases, Future Minimum Payments, Due Thereafter
Thereafter
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Future minimum annual payments under operating lease arrangements
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards
Combined net operating loss carry-forwards
Operating Leases, Rent Expense, Net
Expenses related to operating lease arrangements
Operating Income (Loss)
Operating income
Operating income
Operating Leases, Future Minimum Payments, Due in Three Years
2015
Operating Leases, Future Minimum Payments, Due in Two Years
2014
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2013
Operating Leases, Future Minimum Payments, Due in Four Years
2016
Operating Loss Carryforwards [Line Items]
Net operating loss carry-forwards
Operating Leases, Future Minimum Payments, Due in Five Years
2017
Operating Leases, Future Minimum Payments Due
Total minimum lease obligations
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]
Description of the business and summary of significant accounting policies:
Other Liabilities, Noncurrent
Other long term liabilities
Total
Other Accrued Liabilities, Current
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent
Foreign currency translation
Foreign currency translation adjustment
Accrued and other liabilities:
Payments of Debt Issuance Costs
Debt issuance costs
Payments for Purchase of Other Assets
Purchase of other assets
Payments for Repurchase of Common Stock
Repurchase of common stock, amount
Purchases of common stock
Payments to Acquire Property, Plant, and Equipment
Purchases of property and equipment
Payments of Ordinary Dividends, Common Stock
Dividends paid
Plan Name [Domain]
Plan Name [Axis]
Preferred Stock, Shares Authorized
Preferred stock, authorized but unissued shares
Preferred Stock, Par or Stated Value Per Share
Preferred stock, par value (in dollars per share)
Prepaid Expense and Other Assets, Current
Prepaid expenses and other current assets
Proceeds from Debt, Net of Issuance Costs
Proceeds from issuance of long-term debt, net of issuance costs
Proceeds from Issuance of Senior Long-term Debt
Net proceeds from issuance of senior secured notes
Proceeds from Sale and Maturity of Marketable Securities
Maturities of short-term investments
Proceeds from Sale of Productive Assets
Proceeds from asset sales
Proceeds from Stock Options Exercised
Proceeds from exercises of common stock options
Property, Plant and Equipment, Useful Life
Depreciation or amortization period
Property, Plant and Equipment, Net [Abstract]
Property and equipment:
Property, Plant and Equipment, Type [Domain]
Property and equipment:
Property, Plant and Equipment, Policy [Policy Text Block]
Property and equipment
Property, Plant and Equipment, Net
Total property and equipment, net
Property, Plant and Equipment [Line Items]
Property and equipment
Property, Plant and Equipment, Gross
Property and equipment
Property and equipment, gross
Property, Plant and Equipment [Table Text Block]
Schedule of property and equipment
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment Disclosure [Text Block]
Property and equipment:
Quarterly Financial Information [Text Block]
Quarterly financial information (unaudited):
Quarterly financial information (unaudited):
Range [Axis]
Range [Domain]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Reconciliation of the beginning and ending amount of unrecognized tax benefits (excluding interest and penalties)
Related Party Transactions Disclosure [Text Block]
Related party transactions:
Related Party Transaction [Line Items]
Office lease
Related Party [Domain]
Related Party Transaction, Expenses from Transactions with Related Party
Payment for rent and related costs (in dollars)
Related party transactions:
Related Party [Axis]
Repayments of Long-term Capital Lease Obligations
Principal payments of capital lease obligations
Repayments of Convertible Debt
Purchases of convertible senior notes
Purchase of convertible notes in cash
Restricted Stock [Member]
Restricted stock
Retained Earnings (Accumulated Deficit)
Accumulated deficit
Retained Earnings [Member]
Accumulated Deficit
Revenues from External Customers and Long-Lived Assets [Line Items]
Geographic information:
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price
Weighted-Average Exercise Price (in dollars per share)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price
Weighted-Average Exercise Price (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Exercisable at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Expected life of the option term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Exercisable at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Outstanding at the end of the period
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term
Weighted-Average Remaining Contractual Life
Sales Revenue, Services, Net
Revenues
Service revenue
Scenario, Unspecified [Domain]
Scenario, Forecast [Member]
Future period
Estimated
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
Schedule of net revenues and long lived assets by geographic region
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of (provision) benefit for income taxes
Schedule of Change in Asset Retirement Obligation [Table Text Block]
Schedule of reconciliation of the amounts related to asset retirement obligations
Schedule of Nonvested Share Activity [Table Text Block]
Schedule of non-vested restricted stock awards
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of stock option activity
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Schedule of components of (loss) income before income taxes
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of assumptions used for determining the fair value of options granted
Schedule of Maturities of Long-term Debt [Table Text Block]
Schedule of aggregate future contractual maturities of long-term debt
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]
Schedule of future minimum annual payments under capital lease arrangements
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of reconciliation of the Federal statutory income taxes to the amounts reported in the financial statements
Schedule of reconciliation of unrecognized tax benefits
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Schedule of Capital Leased Assets [Table]
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Schedule of future minimum annual payments under operating lease and tenant license agreements
Schedule of Quarterly Financial Information [Table Text Block]
Schedule of quarterly financial information
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of deferred tax assets (liabilities)
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Schedule of accrued and other current liabilities
Schedule of Weighted Average Number of Shares [Table Text Block]
Schedule of diluted weighted average shares
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Schedule of stock options outstanding and exercisable under the Award Plan by exercise price range
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Property, Plant and Equipment [Table]
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Schedule II VALUATION AND QUALIFYING ACCOUNTS
Secured Debt [Member]
Senior notes
Geographic information:
Segment Reporting Disclosure [Text Block]
Geographic information:
Segment, Geographical [Domain]
Selling, General and Administrative Expense
Selling, general, and administrative (including $7,794, $7,185 and $6,267 of equity-based compensation expense, respectively)
Senior Notes, Noncurrent
Senior secured notes
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date
Expiration period (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value
Fair value of shares vested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Incentive Award Plan, additional information
Stock option and award plan, additional information
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Number of shares
Share-based Compensation
Equity-based compensation expense (net of amounts capitalized)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Cancelled (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Non-vested at the end of the period (in dollars per share)
Non-vested at the beginning of the period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized
Additional number of shares authorized
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value
Total value of share-based payment award on date of grant
Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incentive award plan
Non-vested awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Unvested restricted common stock not included in computation of basic (loss) income per share as shares were not vested
Non-vested at the beginning of the period (in shares)
Non-vested at the end of the period (in shares)
Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Number of shares vested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Forfeited (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Granted (in shares)
Number of shares granted to employees
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Exercised (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Risk-free interest rate (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Expected volatility (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Exercisable at the end of the period (in dollars per share)
Dividend yield (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Vested (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Weighted-average per share grant date fair value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value
Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Exercisable at the end of the period (in shares)
Total number of shares available for grant
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Stock option activity
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Number of shares authorized
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Assumptions used for determining the fair value of options granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Forfeitures of shares granted to employees (in shares)
Cancelled (in shares)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options
Number Exercisable as of the end of the period (in shares)
Exercise Price Range [Axis]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Expected to vest (in shares)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding and exercisable options under the Award Plan by price range
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period
Number of shares issued
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Outstanding at the end of the period (in dollars per share)
Outstanding at the beginning of the period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Outstanding at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Expected to vest
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options
Number Outstanding as of the end of the period (in shares)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit
Exercise price, low end of range (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Outstanding at the beginning of the period (in shares)
Outstanding at the end of the period (in shares)
Award Type [Domain]
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Equity-based compensation
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Expected to vest (in dollars per shares)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit
Exercise price, high end of range (in dollars per share)
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit
Expected decrease in liability for uncertain tax positions
Software [Member]
Software
Statement [Table]
Scenario [Axis]
Statement
Statement [Line Items]
Stockholders' equity:
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY
CONSOLIDATED STATEMENTS OF CASH FLOWS
Equity Components [Axis]
CONSOLIDATED BALANCE SHEETS
Geographical [Axis]
Class of Stock [Axis]
Stock Issued During Period, Shares, Period Increase (Decrease)
Stock Repurchase Program, Remaining Authorized Repurchase Amount
Remaining authorized amount of common stock repurchases under the Buyback Program
Stock Repurchased and Retired During Period, Value
Common stock purchases and retirement
Stock Options [Member]
Options
Exercises of options
Stock Issued During Period, Value, Stock Options Exercised
Stock Issued During Period, Value, New Issues
Issuances of common stock
Stock Repurchased and Retired During Period, Shares
Common stock purchases and retirement (in shares)
Stock Issued During Period, Shares, New Issues
Issuances of common stock (in shares)
Stock Repurchased During Period, Shares
Repurchase of common stock (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Options exercised during the period (in shares)
Exercises of options (in shares)
Exercised (in shares)
Stock Repurchase Program, Authorized Amount
Authorized amount of common stock repurchases under the Buyback Program
Stock Granted During Period, Value, Share-based Compensation, Forfeited
Forfeitures of shares granted to employees
Stockholders' equity:
Total stockholders' equity
Stockholders' Equity Attributable to Parent [Abstract]
Stockholders' equity:
Stockholders' Equity Attributable to Parent
Total stockholders' equity
Balance
Balance
Stockholders' equity:
Stockholders' Equity Note Disclosure [Text Block]
Stockholders' equity:
Stockholders' Equity, Period Increase (Decrease)
Subsequent Events [Text Block]
Subsequent events:
Subsequent events:
Subsequent Event Type [Domain]
Subsequent Event [Line Items]
Subsequent events
Subsequent Event Type [Axis]
Subsequent Event [Table]
Supplemental Cash Flow Information [Abstract]
Supplemental disclosures of cash flow information:
Technology Equipment [Member]
System infrastructure
Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract]
Common stock buyback program
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense
Amount of (reversed) recognized interest and penalties related to uncertain tax positions
Unrecognized Tax Benefits, Decreases Resulting from Current Period Tax Positions
Decreases attributable to settlements with taxing authorities
Unrecognized Tax Benefits
Beginning balance of unrecognized tax benefits
Ending balance of unrecognized tax benefits
Income tax benefit due to reduction in uncertain tax positions
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations
Decrease attributable to lapses of statutes of limitation
Unrecognized Tax Benefits, Period Increase (Decrease)
Reversal of liability for uncertain tax benefits
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities
Reversal of liability for uncertain tax benefits
Decrease attributable to settlements with taxing authorities
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions
Gross increases-tax positions in prior periods
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract]
Future minimum payments under unconditional purchase obligations
2013
Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months
Unrecorded Unconditional Purchase Obligation, Due after Five Years
Thereafter
Unrecorded Unconditional Purchase Obligation [Table]
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unrecorded Unconditional Purchase Obligation, Due within Four Years
2016
Unrecorded Unconditional Purchase Obligation [Line Items]
Unconditional purchase obligations
Unrecorded Unconditional Purchase Obligation
Unconditional purchase obligation
Unrecorded Unconditional Purchase Obligation, Due within Five Years
2017
Unrecorded Unconditional Purchase Obligation, Due within Two Years
2014
Unrecorded Unconditional Purchase Obligation, Due within Three Years
2015
Use of Estimates, Policy [Policy Text Block]
Use of estimates
Valuation and Qualifying Accounts Disclosure [Table]
Valuation Allowances and Reserves [Domain]
Valuation Allowances and Reserves, Charged to Cost and Expense
Charged to Costs and Expenses(a)
Valuation Allowances and Reserves, Balance
Balance at Beginning of Period
Balance at End of Period
Valuation Allowances and Reserves, Deductions
Deductions
Deferred tax valuation allowance
Valuation Allowance of Deferred Tax Assets [Member]
Schedule II VALUATION AND QUALIFYING ACCOUNTS
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation and Qualifying Accounts
Valuation Allowances and Reserves Type [Axis]
Warrant [Member]
Stock Purchase Warrant
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Diluted weighted average shares
Weighted Average Number of Shares Outstanding, Basic
Weighted-average common shares-basic (in shares)
Weighted average common shares - basic
Weighted average number of common shares - basic
Weighted Average Number of Shares Outstanding, Diluted
Weighted-average common shares-diluted (in shares)
Weighted average common shares - diluted
Weighted-average number of common shares - diluted
Recent accounting pronouncements-adopted
New Accounting Pronouncements, Policy [Policy Text Block]
Equipment and Services [Member]
Contractual obligation to purchase equipment and services over periods that initially exceed one year or the normal operating cycle, if longer.
Equipment and services
Dark Fiber IRU Capital and Operating Lease Agreements [Member]
Dark fiber IRU capital and operating lease agreements
Contractual obligation to purchase dark fiber IRU capital and operating lease agreements over periods that initially exceed one year or the normal operating cycle, if longer.
Japan
JAPAN
This element represents the total of accruals as of the date of the statement of financial position for tax, interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.
Liability for uncertain tax positions, including accrued interest and penalties
Unrecognized Tax Benefits Income Tax Penalties And Interest And Tax Accrued