|
CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified |
Mar. 31, 2015
|
Dec. 31, 2014
|
|---|---|---|
| Statement Of Financial Position [Abstract] | ||
| Accounts receivable, allowance | $ 255,146us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent | $ 242,674us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent |
| Property and equipment, accumulated depreciation | 2,123,818us-gaap_PropertyPlantAndEquipmentOwnedAccumulatedDepreciation | 2,029,506us-gaap_PropertyPlantAndEquipmentOwnedAccumulatedDepreciation |
| Intangibles, accumulated amortization | $ 666,995us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | $ 621,891us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |
| Preferred stock, par value | $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare | $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare |
| Preferred stock, shares authorized | 5,000,000us-gaap_PreferredStockSharesAuthorized | 5,000,000us-gaap_PreferredStockSharesAuthorized |
| Preferred stock, issued | 0us-gaap_PreferredStockSharesIssued | 0us-gaap_PreferredStockSharesIssued |
| Common stock, par value | $ 0.001us-gaap_CommonStockParOrStatedValuePerShare | $ 0.001us-gaap_CommonStockParOrStatedValuePerShare |
| Common stock, shares authorized | 450,000,000us-gaap_CommonStockSharesAuthorized | 450,000,000us-gaap_CommonStockSharesAuthorized |
| Common stock, shares issued | 215,949,997us-gaap_CommonStockSharesIssued | 215,640,968us-gaap_CommonStockSharesIssued |
| Common stock, shares outstanding | 215,058,568us-gaap_CommonStockSharesOutstanding | 215,640,968us-gaap_CommonStockSharesOutstanding |
| Treasury Stock, shares | 891,429us-gaap_TreasuryStockShares |
| X | ||||||||||
|
- Definition
A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The cumulative amount of depreciation (related to long-lived, depreciable flight assets owned by the entity and used in the entity's principle business operations and capitalized assets classified as property, plant and equipment that are owned by the entity) that has been recognized in the income statement. No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|