Property and Equipment - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
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| Property Plant And Equipment [Abstract] | ||||
| Capital expenditure | $ 36,200 | $ 27,000 | $ 82,900 | $ 48,600 |
| Asset impairment charges | $ 10,469 | $ 4 | $ 16,661 | $ 7 |
| X | ||||||||||
- Definition Asset impairment charges continuing operations. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of acquisition 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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