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Property and Equipment - Additional Information (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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| Property Plant And Equipment [Abstract] | ||
| Depreciation expense on property and equipment | $ 51,804us-gaap_Depreciation | $ 54,183us-gaap_Depreciation |
| Disposal of property and equipment | $ 4,571us-gaap_PropertyPlantAndEquipmentDisposals | $ 3,500us-gaap_PropertyPlantAndEquipmentDisposals |
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- Definition
The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of divestiture of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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