Lessee Leasing Arrangements Required Notice Period for Cancellation of Lease
Notice period for cancellation of lease
Represents the notice period required for cancellation of lease.
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).
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]
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.
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)
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, Convertible Conversion Ratio, Minimum
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
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
Percentage of outstanding principal amount used in calculation of make-whole premium
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
Amendment Description
Debt Instrument, Percentage of Original Issuance, Discount
Percentage of original issuance discount
Represents the percentage of original issuance discount.
Amendment Flag
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
June 15, 2014, 2017 and 2022
The period June 15, 2014, 2017 and 2022.
Debt Instrument, Redemption Period June 2014 and 2017 and 2022 [Member]
Debt Instrument Redemption Period after June 2014 [Member]
After June 20, 2014
The period after June 20, 2014.
Prior to February 15, 2014
The period prior to February 15, 2014.
Debt Instrument, Redemption Period, Prior to February 2014 [Member]
Prior to February 15, 2015
Debt Instrument, Redemption Period Prior to February 2015 [Member]
The period prior to February 15, 2015.
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 borrowings as percentage of par
Premium price of debt instrument (as a percent)
Represents the premium price of debt instrument as a percentage of par amount.
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)
Deferred Tax Assets, Tax Deferred Expense Reserves and Accruals Accrued Liabilities and Other
Accrued liabilities and other
The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from accrued and other liabilities.
Current Fiscal Year End Date
Award Type [Axis]
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.
Award Date [Axis]
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
Convertible Notes
Award Date [Domain]
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 ($448 and $442 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
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 benefit due to reduction in valuation allowance
Represents the income tax benefit due to reduction in valuation allowance.
Income Tax Expense (Benefit) Due to Reduction in Valuation Allowance
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.
Headquarters building
Represents information pertaining to Niobium LLC.
Niobium LLC [Member]
This element represents the expenses related to equity based compensation, which includes network operations, during the reporting period by the entity.
Network operations, equity-based compensation expense
Network Operations Include Equity Based Compensation Expense
Document Period End Date
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.
Canada
CANADA
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]
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 Not Subject to Expiration
Net operating loss carry-forwards subject to expiration
Operating Loss Carryforwards Subject to Expiration
The amount of operating loss carryforwards which are subject to expiration dates.
Owned assets:
Represents owned assets of the entity.
Owned Assets [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]
Capitalized salaries and related benefits of employees
Property, Plant and Equipment Compensation Costs Capitalized
Represents the compensation costs the entity capitalizes as a part of property, plant and equipment.
Represents the number of owners of the partnership or LLC.
Related Party Transaction, Number of Owners
Number of owners of the LLC
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.
Entity [Domain]
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 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 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
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 Exercise Period of Options Vested
Share Based Compensation Arrangement by Share Based Payment Award, Options Intrinsic Value [Abstract]
Aggregate Intrinsic Value
Weighted-Average Remaining Contractual Life (in years)
Share Based Compensation Arrangement by Share Based Payment Award, Options Weighted Average Remaining Contractual Term [Abstract]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Abstract]
Expected changes in the liability for uncertain tax positions
Represents the speed per second of bandwidth.
Speed Per Second to Bandwidth Intensive Users
Speed per second of bandwidth (in megabits/gigabits)
Unrecorded Unconditional Purchase Obligation Maximum Term
Maximum period of maintenance payment
Represents the maximum period of maintenance payment under unrecorded unconditional purchase obligation.
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]
2012 Restricted stock grant performance based
On Net Services [Abstract]
On-net service - high-speed Internet access and IP connectivity
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.
Income Tax Reconciliation Net Operating Loss Limitation
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
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.
Dark Fiber IRU Capital and Operating Lease Agreements [Member]
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
Quarterly payment under return of capital program
Return of capital Program Quarterly Payments
Represents quarterly payments to the entity's shareholders under an additional return of capital program.
Amortization of debt premium - senior secured notes
Amortization of Debt Premium
Represents the amount of non-cash expense included in interest expense to amortize debt premium associated with debt instruments.
Dividend Payable under Capital Program
Dividend payable under Capital Program
Represents the amount of dividend payable to the entity's shareholders under the capital program.
Amortization of Debt Discount
Represents the amount of noncash expense included in interest expense to amortize debt discount associated with debt instruments.
Amortization of debt discount-convertible notes
Common Stock Dividends Per Share Declared Under Capital Program
Dividend per common share under Capital Program (in dollars per share)
Represents the amount of dividend per share to the entity's shareholders under the Capital Program.
Provision for Doubtful Accounts Net of Recoveries
Bad debt expense, net of recoveries
Bad debt expense, net of recoveries
Amount of expense related to write-down of receivables, net of recoveries that were previously charged off. Includes, but is not limited to, accounts receivable and notes receivable.
Represents the gain (loss) resulted from asset exchange transactions.
Gain Loss on Asset Exchange Transactions
Non-cash component of network equipment obtained in exchange transactions
Stockholders Equity [Table]
Represents the entire disclosure for stockholders' equity.
Stockholders Equity [Line Items]
Stockholders' equity
Approved quarterly payments under Capital Program
Approved Return of Capital Program Quarterly Payment Amount
Represents the amount approved by the board of directors for quarterly payments to be paid to the entity's shareholders under a return of capital program.
Common Stock Dividend Per Share Declared Regular Quarterly
Regular quarterly dividend (in dollars per share)
Represents the regular quarterly dividends declared during the period for each share of common stock outstanding.
Income Tax Reconciliation Foreign Tax Expense
Foreign tax expense
Represents the portion of the total income tax expense or benefit as reported in the Income Statement for the current period attributable to European tax expense.
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Filer Category
Entity Public Float
Entity Registrant Name
Entity Central Index Key
Entity Common Stock, Shares Outstanding
Document Fiscal Year Focus
Document Fiscal Period Focus
Japan
JAPAN
Legal Entity [Axis]
Document Type
Description of the business and summary of significant accounting policies:
Accrued and other liabilities:
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Accrued and other current liabilities
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accounts receivable, net of allowance for doubtful accounts of $1,871 and $3,083, respectively
Accounts Receivable, Net, Current
Mexico
MEXICO
Accounts payable
Accounts Payable, Current
UNITED STATES
United States
Taxes -non-income based
Accrual for Taxes Other than Income Taxes, Current
Accrued and other current liabilities
Accrued Liabilities, Current
Accumulated depreciation and amortization
Less -Accumulated depreciation and amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
Accumulated Other Comprehensive Income
Accumulated Translation Adjustment [Member]
Additional paid-in capital
Additional Paid in Capital, Common Stock
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Equity-based compensation
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Excess income tax benefit
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Equity-based compensation expense
Allocated Share-based Compensation Expense
Accounts receivable, allowance for doubtful accounts (in dollars)
Allowance for Doubtful Accounts Receivable, Current
Allowance for doubtful accounts (deducted from accounts receivable)
Allowance for Doubtful Accounts [Member]
Amortization of debt discount and premium
Amortization of Debt Discount (Premium)
Amortization of discount and costs
Amortization of Financing Costs and Discounts
Antidilutive Securities [Axis]
Basic and diluted net (loss) income per common share
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities, Name [Domain]
Shares not included in the computation of diluted loss per share as the effect would be anti-dilutive
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Amortization of discount
Asset Retirement Obligation, Accretion Expense
Effect of exchange rates
Asset Retirement Obligation, Foreign Currency Translation
Asset retirement obligations
Asset Retirement Obligations, Policy [Policy Text Block]
Asset impairment
Impairment charge of property and equipment that are no longer in use
Asset impairment
Asset Impairment Charges
Revision to estimated obligation
Asset Retirement Obligation, Revision of Estimate
Balance at the beginning of the period
Balance at the end of the period
Asset Retirement Obligation
Reconciliation of the amounts related to asset retirement obligations
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Total assets
Assets
Current assets:
Assets, Current [Abstract]
Assets
Assets [Abstract]
Total current assets
Assets, Current
Indefeasible rights of use (IRUs)
Assets Held under Capital Leases [Member]
Basis of presentation
Basis of Accounting, Policy [Policy Text Block]
Owned buildings
Building
Building [Member]
2015
Capital Leases, Future Minimum Payments Due in Two Years
Total minimum lease obligations
Capital Leases, Future Minimum Payments Due
2018
Capital Leases, Future Minimum Payments Due in Five Years
Release of lease obligation
Capital Lease Obligations [Abstract]
Less-amounts representing interest
Capital Leases, Future Minimum Payments, Interest Included in Payments
Current maturities, capital lease obligations
Current maturities
Capital Lease Obligations, Current
Equipment
Capital Addition Purchase Commitments [Member]
Capital lease obligations, net of current maturities
Capital lease obligations, net of current maturities
Capital Lease Obligations, Noncurrent
2016
Capital Leases, Future Minimum Payments Due in Three Years
2017
Capital Leases, Future Minimum Payments Due in Four Years
Future minimum payments under capital lease agreements
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments, Fiscal Year Maturity [Abstract]
Capital lease obligations incurred
Capital Lease Obligations Incurred
Present value of minimum lease obligations
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments
Thereafter
Capital Leases, Future Minimum Payments Due Thereafter
Commitments and contingencies
Capital Leased Assets [Line Items]
2014
Capital Leases, Future Minimum Payments Due, Next Twelve Months
Cash and cash equivalents
Cash and cash equivalents, beginning of year
Cash and cash equivalents, end of year
Cash and Cash Equivalents, at Carrying Value
Non-cash investing and financing activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Chief Executive Officer
Chief Executive Officer [Member]
Commitments and contingencies:
Commitments and contingencies
Commitments and Contingencies
Commitments and contingencies:
Commitments and Contingencies Disclosure [Text Block]
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common Stock
Common Stock [Member]
Common stock, $0.001 par value; 75,000,000 shares authorized; 47,334,218 and 47,116,644 shares issued and outstanding, respectively
Common Stock, Value, Issued
Common stock, shares issued
Balance (in shares)
Balance (in shares)
Common Stock, Shares, Issued
Amount per Common Share (in dollars per share)
Dividends declared per common share (in dollars per share)
Common Stock, Dividends, Per Share, Declared
Common stock, shares authorized
Common Stock, Shares Authorized
Common stock, shares outstanding
Common Stock, Shares, Outstanding
Deferred tax assets (liabilities)
Components of Deferred Tax Assets and Liabilities [Abstract]
Comprehensive income (loss):
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Comprehensive income (loss)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Concentrations of credit risk
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Principles of consolidation
Consolidation, Policy [Policy Text Block]
Property, equipment and capital leases
Contract-Based Intangible Assets [Member]
Net carrying amount
Convertible Notes Payable
Convertible senior notes, net of discount of $9,494
Net carrying amount
Convertible Notes Payable, Noncurrent
Convertible senior notes
Convertible Notes Payable [Member]
Schedule of debt and equity components for the Convertible Notes
Convertible Debt [Table Text Block]
Convertible senior notes - current portion, net of discount of $3,099
Convertible Notes Payable, Current
Network operations
Cost of Sales, Policy [Policy Text Block]
Network operations (including $507, $529 and $510 of equity-based compensation expense, respectively, exclusive of amounts shown separately)
Network operations, including equity-based compensation expense
Cost of Services
Operating expenses:
Costs and Expenses [Abstract]
Total operating expenses
Costs and Expenses
State income tax
Current State and Local Tax Expense (Benefit)
Current provision
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Foreign income tax
Current Foreign Tax Expense (Benefit)
Federal income tax
Current Federal Tax Expense (Benefit)
Discount rate used to compute make-whole premium, description of variable interest rate
Debt Instrument, Description of Variable Rate Basis
Long-term debt
Debt Instrument [Line Items]
Quarterly financial information (unaudited)
Schedule of Long-term Debt Instruments [Table]
Number of shares yield after conversion
Debt Instrument, Convertible, Number of Equity Instruments
Shares assumed from conversion of the Convertible Notes (in shares)
Aggregate principal amount of debt issued
Debt Instrument, Face Amount
Debt Instrument, Redemption, Period [Domain]
Debt Instrument, Redemption, Period [Axis]
Debt instrument, amount
Debt Instrument, Fair Value Disclosure
Discount rate used to compute make-whole premium, basis points added to reference rate (as a percent)
Debt Instrument, Basis Spread on Variable Rate
Long-term debt:
Aggregate face value of debt purchased
Debt Instrument, Repurchased Face Amount
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, Convertible, Threshold Percentage of Stock Price Trigger
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, Threshold Consecutive Trading Days
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, Convertible, Threshold Trading Days
Principal amount
Long-term Debt, Gross
Conversion ratio, number of shares per $1,000 principal amount
Debt Instrument, Convertible, Conversion Ratio
Remaining recognition period of unamortized discount
Debt Instrument, Convertible, Remaining Discount Amortization Period
Capital lease term
Debt Instrument, Term
Debt Instrument [Axis]
Conversion price (in dollars per share)
Debt Instrument, Convertible, Conversion Price
Initial conversion price of notes (in dollars per share)
Percentage of principal amount that the holders of the Convertible Notes may require the Company to repurchase
Debt Instrument, Redemption Price, Percentage
Debt Instrument, Interest Rate, Effective Percentage
Effective interest rate (as a percent)
Debt Instrument, Name [Domain]
Convertible senior notes, discount (in dollars)
Unamortized discount
Debt Instrument, Unamortized Discount
Debt with conversion options
Debt, Policy [Policy Text Block]
Senior secured notes, premium (in dollars)
Debt Instrument, Unamortized Premium
Interest rate (as a percent)
Debt Instrument, Interest Rate, Stated Percentage
Principal amount of convertible senior notes
Additional paid-in capital
Debt Instrument, Convertible, Carrying Amount of Equity Component
Debt and equity components for the Convertible Notes
Debt Instruments [Abstract]
Depreciation
Deferred Tax Assets, Property, Plant and Equipment
Depreciation and amortization
Total gross deferred tax liabilities
Deferred Tax Liabilities, Gross
Federal income tax
Deferred Federal Income Tax Expense (Benefit)
Deferred provision
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Foreign income tax
Deferred Foreign Income Tax Expense (Benefit)
State Income tax
Deferred State and Local Income Tax Expense (Benefit)
Net deferred tax asset
Deferred Tax Assets, Net
Deferred tax assets - noncurrent
Deferred Tax Assets, Net, Noncurrent
Deferred revenue -current portion
Deferred Revenue, Current
Deferred Tax Assets:
Deferred Tax Assets, Gross [Abstract]
Total gross deferred tax assets
Deferred Tax Assets, Gross
Equity-based compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Net operating loss carry-forwards
Deferred Tax Assets, Operating Loss Carryforwards
Tax credits
Deferred Tax Assets, Tax Credit Carryforwards
Valuation allowance
Deferred Tax Assets, Valuation Allowance
Deferred Tax Liabilities:
Deferred Tax Liabilities, Gross [Abstract]
Matching cash payments towards defined contribution plan
Defined Contribution Plan, Cost Recognized
Defined contribution plan
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Depreciation and amortization
Depreciation and amortization expense
Depreciation, Depletion and Amortization
Stock option and award plan:
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Stock option and award plan:
Dividends on common stock
Dividends [Abstract]
Dividend Amount
Dividends paid
Dividends, Common Stock, Cash
Dividends paid
Summary of the Company's quarterly dividends since the initial dividend payment
Dividends Declared [Table Text Block]
Expected value of dividend to be paid on March 27, 2014
Dividends Payable, Current
Europe
Europe [Member]
Net (loss) per common share - basic and diluted (in dollars per share)
Earnings Per Share, Basic and Diluted
Basic and diluted net (loss) income per common share
Earnings Per Share, Policy [Policy Text Block]
Net income (loss) per common share-basic (in dollars per share)
Earnings Per Share, Basic
Basic net income (loss) per common share (in dollars per share)
Net income (loss) per common share-diluted (in dollars per share)
Earnings Per Share, Diluted
Diluted net income (loss) per common share (in dollars per share)
Effect of exchange rate changes on cash
Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations
Payroll and benefits
Employee-related Liabilities, Current
Stock options
Options
Employee Stock Option [Member]
Capitalized compensation expense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount
Total unrecognized compensation cost
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Weighted-average period to recognize unrecognized compensation cost
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Cash received from exercise of stock option
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options
Network equipment
Equipment [Member]
Equity Component [Domain]
Equity Component [Domain]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, Hierarchy [Axis]
Financial instruments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Hierarchy [Domain]
Financial instruments
Fair Value of Financial Instruments, Policy [Policy Text Block]
Fair value of equipment acquired in leases
Fair Value of Assets Acquired
Level 1
Fair Value, Inputs, Level 1 [Member]
Level 2
Fair Value, Inputs, Level 2 [Member]
Foreign currency translation adjustment and comprehensive income (loss)
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Gains-dispositions of assets and other, net
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property
Gain-release of lease obligation
Gain (Loss) on Sale of Leased Assets, Net, Operating Leases
Release of lease obligation
Gains (Losses) on Extinguishment of Debt
Gain from extinguishment of capital lease obligation
Chief Executive Officer's wife
Immediate Family Member of Management or Principal Owner [Member]
Long-lived assets
Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]
Components of (loss) income before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Income (loss) before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
Income taxes:
Foreign
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Domestic
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Income taxes:
Income Tax Disclosure [Text Block]
Income tax benefit (provision)
Income Tax Expense (Benefit)
Income tax benefit (expense)
Total income tax provision (benefit)
Change in valuation allowance
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Reconciliation of the Federal statutory income taxes to the amounts reported in the financial statements
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Cash paid for income taxes
Income Taxes Paid
State tax credits
Effective Income Tax Rate Reconciliation, Tax Credit, Amount
Other
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount
Uncertain tax positions
Income Tax Uncertainties [Abstract]
Non-deductible expenses
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount
Federal income tax at statutory rates
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Income taxes
Income Tax, Policy [Policy Text Block]
State income tax, net of federal benefit
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Change in tax reserves
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Foreign rate differential
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Accounts receivable
Increase (Decrease) in Accounts Receivable
Deferred income taxes
Increase (Decrease) in Deferred Income Taxes
Accounts payable, accrued liabilities and other long-term liabilities
Increase (Decrease) in Operating Liabilities
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets
Increase (Decrease) in Stockholders' Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dilutive effect of awards (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Contractual coupon interest
Interest Expense, Debt, Excluding Amortization
Interest
Interest Payable, Current
Interest expense
Interest Expense
Interest expense
Interest income and other
Interest and Other Income
Interest expense
Interest expense related to its senior notes
Interest Expense, Debt
Interest expense
Amount of interest expense recognized and effective interest rate
Interest Expense, Debt [Abstract]
Cash paid for interest
Interest Paid
Additional lease term
Lessee Leasing Arrangements, Operating Leases, Renewal Term
Letters of credit, outstanding amount
Letters of Credit Outstanding, Amount
Land
Land [Member]
Lease
Lease Agreements [Member]
Leasehold improvements
Leasehold Improvements [Member]
Total current liabilities
Liabilities, Current
Total liabilities and stockholders' equity
Liabilities and Equity
Current liabilities:
Liabilities, Current [Abstract]
Total liabilities
Liabilities
Liabilities and stockholders' equity
Liabilities and Equity [Abstract]
Total
Long-term Debt
Long-term debt:
Long-term Debt [Text Block]
2015
Long-term Debt, Maturities, Repayments of Principal in Year Two
2017
Long-term Debt, Maturities, Repayments of Principal in Year Four
2018
Long-term Debt, Maturities, Repayments of Principal in Year Five
Thereafter
Long-term Debt, Maturities, Repayments of Principal after Year Five
2016
Long-term Debt, Maturities, Repayments of Principal in Year Three
Long-term debt maturities
Long-term Debt, Fiscal Year Maturity [Abstract]
2014
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
Estimate of possible loss in excess of the amount accrued
Loss Contingency, Estimate of Possible Loss
Maximum
Maximum [Member]
Minimum
Minimum [Member]
Movement in valuation and qualifying accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
North America
North America [Member]
Long lived assets, net
Long-Lived Assets
Cash flows from financing activities:
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Cash flows from operating activities:
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net increase in cash and cash equivalents
Net Cash Provided by (Used in) Continuing Operations
Net income (loss)
Net income (loss)
Net Income (Loss) Available to Common Stockholders, Basic
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Net cash provided by (used in) financing activities
Net Cash Provided by (Used in) Financing Activities, Continuing Operations
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Cash flows from investing activities:
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Recent accounting pronouncements-adopted
New Accounting Pronouncements, Policy [Policy Text Block]
Number of operating segments
Number of Operating Segments
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Future minimum annual payments under operating lease arrangements
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017
Operating Leases, Future Minimum Payments, Due in Four Years
2018
Operating Leases, Future Minimum Payments, Due in Five Years
2016
Operating Leases, Future Minimum Payments, Due in Three Years
Expenses related to operating lease arrangements
Operating Leases, Rent Expense, Net
2014
Operating Leases, Future Minimum Payments Due, Next Twelve Months
Operating income
Operating income
Operating Income (Loss)
Operating Loss Carryforwards [Table]
Net operating loss carry-forwards
Operating Loss Carryforwards [Line Items]
2015
Operating Leases, Future Minimum Payments, Due in Two Years
Total minimum lease obligations
Operating Leases, Future Minimum Payments Due
Combined net operating loss carry-forwards
Operating Loss Carryforwards
Description of the business and summary of significant accounting policies:
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]
Other long term liabilities
Other Liabilities, Noncurrent
Total
Other Accrued Liabilities, Current
Foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent
Foreign currency translation
Accrued and other liabilities:
Repurchase of common stock, amount
Purchases of common stock
Payments for Repurchase of Common Stock
Dividends paid
Payments of Ordinary Dividends, Common Stock
Purchases of property and equipment
Payments to Acquire Property, Plant, and Equipment
Debt issuance costs
Payments of Debt Issuance Costs
Performance Shares
Performance Shares [Member]
Plan Name [Domain]
Plan Name [Axis]
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Preferred stock, authorized but unissued shares (in shares)
Preferred Stock, Shares Authorized
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Reclassifications
Reclassification, Policy [Policy Text Block]
Proceeds from issuance of long-term debt, net of issuance costs
Proceeds from Debt, Net of Issuance Costs
Net proceeds from issuance of senior secured notes
Proceeds from Issuance of Senior Long-term Debt
Proceeds from exercises of common stock options
Proceeds from Stock Options Exercised
Proceeds from asset sales
Proceeds from Sale of Productive Assets
Depreciation or amortization period
Property, Plant and Equipment, Useful Life
Property and equipment:
Property, Plant and Equipment, Net [Abstract]
Property and equipment
Property and equipment, gross
Property, Plant and Equipment, Gross
Property and equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Total property and equipment, net
Property, Plant and Equipment, Net
Property and equipment:
Schedule of property and equipment
Property, Plant and Equipment [Table Text Block]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Axis]
Property and equipment:
Property, Plant and Equipment Disclosure [Text Block]
Property and equipment
Property, Plant and Equipment [Line Items]
Quarterly financial information (unaudited):
Quarterly Financial Information [Text Block]
Quarterly financial information (unaudited):
Range [Axis]
Range [Domain]
Reconciliation of the beginning and ending amount of unrecognized tax benefits (excluding interest and penalties)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Related party transactions:
Related Party Transactions Disclosure [Text Block]
Related Party Transaction [Domain]
Related Party Transaction [Axis]
Office lease
Related Party Transaction [Line Items]
Related Party [Axis]
Payment for rent and related costs (in dollars)
Related Party Transaction, Expenses from Transactions with Related Party
Related Party [Domain]
Related party transactions:
Principal payments of capital lease obligations
Repayments of Long-term Capital Lease Obligations
Purchases of convertible senior notes
Purchase of convertible notes in cash
Repayments of Convertible Debt
Restricted stock
Restricted Stock [Member]
Accumulated Deficit
Retained Earnings [Member]
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Geographic information
Revenues from External Customers and Long-Lived Assets [Line Items]
Exercisable at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Expected life of the option term
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Expiration period
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Exercisable at the end of the period
Outstanding at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Service revenue
Revenues
Sales Revenue, Services, Net
Future period
Estimated
Scenario, Forecast [Member]
Expected
Scenario, Unspecified [Domain]
Schedule of Change in Asset Retirement Obligation [Table Text Block]
Schedule of reconciliation of the amounts related to leased facility asset retirement obligations
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of non-vested restricted stock awards
Schedule of Nonvested Share Activity [Table Text Block]
Schedule of stock option activity
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Schedule of assumptions used for determining the fair value of options granted
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of benefit (provision) for income taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of aggregate future contractual maturities of long-term debt
Schedule of Maturities of Long-term Debt [Table Text Block]
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]
Schedule of future minimum annual payments under capital lease arrangements
Schedule of reconciliation of the Federal statutory income taxes to the amounts reported in the financial statements
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of components of income (loss) before income taxes
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Schedule of deferred tax assets (liabilities)
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
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 annual payments under operating lease and tenant license agreements
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Schedule of quarterly financial information
Schedule of Quarterly Financial Information [Table Text Block]
Schedule of service revenues and long lived assets by geographic region
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
Schedule of accrued and other current liabilities
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Schedule of diluted weighted average shares
Schedule of Weighted Average Number of Shares [Table Text Block]
Schedule of Related Party Transactions, by Related Party [Table]
Property, Plant and Equipment [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule II VALUATION AND QUALIFYING ACCOUNTS
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Senior notes
Senior Notes
Secured Debt [Member]
Geographic information:
Geographic information:
Segment Reporting Disclosure [Text Block]
Geographical [Domain]
Selling, general, and administrative (including $8,212, $7,794 and $7,185 of equity-based compensation expense, respectively)
Selling, General and Administrative Expense
Senior secured notes including premium of $5,423 and $0, respectively
Senior Notes, Noncurrent
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, Additional Disclosures [Abstract]
Number of shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Number of shares granted to employees
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Granted (in shares)
Granted (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 Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Cancelled (in dollars per share)
Non-vested at the beginning of the period (in shares)
Non-vested at the end of the period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Restricted common stock not included in computation of basic (loss) income per share as shares were not vested (in shares)
Number of shares vested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Vested (in shares)
Equity-based compensation expense (net of amounts capitalized)
Share-based Compensation
Vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Weighted-Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Incentive award plan
Non-vested awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested at the beginning of the period (in dollars per share)
Non-vested at the end of the period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Forfeited (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Exercised (in dollars per share)
Exercisable at the end of the period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Dividend yield (as a percent)
Fair value of shares vested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Forfeitures of shares granted to employees (in shares)
Cancelled (in shares)
Vested (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
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
Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Expected volatility (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Risk-free interest rate (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Assumptions used for determining the fair value of options granted
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Weighted-average per share grant date fair value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
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, Weighted Average Exercise Price
Equity-based compensation
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Outstanding at the beginning of the period (in shares)
Outstanding at the end of the period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Expected to vest (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Outstanding at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Stock option activity
Equity Award [Domain]
Expected to vest (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Expected decrease in liability for uncertain tax positions
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit
Software
Software and Software Development Costs [Member]
Scenario [Axis]
Statement [Table]
Stockholders' equity:
Statement [Line Items]
Statement
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY
Geographical [Axis]
CONSOLIDATED STATEMENTS OF CASH FLOWS
Equity Components [Axis]
CONSOLIDATED BALANCE SHEETS
Stock Issued During Period, Shares, Period Increase (Decrease)
Authorized amount of common stock repurchases under the Buyback Program
Stock Repurchase Program, Authorized Amount
Common stock purchases and retirement
Stock Repurchased and Retired During Period, Value
Repurchase under the common stock buyback program
Stock Repurchased During Period, Value
Exercises of options
Stock Issued During Period, Value, Stock Options Exercised
Common stock purchases and retirement (in shares)
Stock Repurchased and Retired During Period, Shares
Forfeitures of shares granted to employees
Stock Granted, Value, Share-based Compensation, Forfeited
Options exercised during the period (in shares)
Exercises of options (in shares)
Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Issuances of common stock (in shares)
Stock Issued During Period, Shares, New Issues
Shares assumed from conversion of the Convertible Notes (in shares)
Stock Issued During Period, Shares, Conversion of Convertible Securities
Repurchase of common stock (in shares)
Stock Repurchased During Period, Shares
Remaining authorized amount of common stock repurchases under the Buyback Program
Stock Repurchase Program, Remaining Authorized Repurchase Amount
Issuances of common stock
Stock Issued During Period, Value, New Issues
Stockholders' equity:
Stockholders' equity:
Stockholders' Equity Attributable to Parent [Abstract]
Stockholders' Equity, Period Increase (Decrease)
Total stockholders' equity
Balance
Balance
Stockholders' Equity Attributable to Parent
Total stockholders' equity
Stockholders' equity:
Stockholders' equity:
Stockholders' Equity Note Disclosure [Text Block]
Subsequent Event
Subsequent Event [Member]
Subsequent Event Type [Domain]
Subsequent Event Type [Axis]
Supplemental disclosures of cash flow information:
Supplemental Cash Flow Information [Abstract]
System infrastructure
Technology Equipment [Member]
Common stock buybacks
Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Amount of (reversed) recognized interest and penalties related to uncertain tax positions
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense
Reversal of liability for uncertain tax benefits
Decrease attributable to settlements with taxing authorities
Reversal of liability for uncertain tax positions
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities
Decrease attributable to lapses of statutes of limitation
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
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
Gross increases-tax positions in prior periods
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Future minimum payments under unconditional purchase obligations
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract]
2017
Unrecorded Unconditional Purchase Obligation, Due within Four Years
2016
Unrecorded Unconditional Purchase Obligation, Due within Three Years
Thereafter
Unrecorded Unconditional Purchase Obligation, Due after Five Years
2014
Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months
Unconditional purchase obligations
Unrecorded Unconditional Purchase Obligation [Line Items]
2015
Unrecorded Unconditional Purchase Obligation, Due within Two Years
Unconditional purchase obligation
Unrecorded Unconditional Purchase Obligation
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
2018
Unrecorded Unconditional Purchase Obligation, Due within Five Years
Unrecorded Unconditional Purchase Obligation [Table]
Use of estimates
Use of Estimates, Policy [Policy Text Block]
Valuation and Qualifying Accounts Disclosure [Table]
Valuation Allowances and Reserves [Domain]
Charged to Costs and Expenses(a)
Valuation Allowances and Reserves, Charged to Cost and Expense
Balance at Beginning of Period
Balance at End of Period
Valuation Allowances and Reserves, Balance
Deferred tax valuation allowance
Valuation Allowance of Deferred Tax Assets [Member]
Deductions
Valuation Allowances and Reserves, Deductions
Schedule II VALUATION AND QUALIFYING ACCOUNTS
Valuation and Qualifying Accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances and Reserves Type [Axis]
Diluted weighted average shares
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
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, Basic
Weighted-average number of common shares-diluted
Weighted Average Number of Shares Outstanding, Diluted
Weighted-average common shares -diluted (in shares)
Weighted average common shares -diluted