Long term debt (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
May. 13, 2011 |
|---|---|---|---|
| Debt Instrument [Line Items] | |||
| 7.75% senior notes | $ 610,000 | $ 610,000 | |
| Long-term debt, net | 2,425,300 | 2,485,127 | |
| Term Loan | |||
| Debt Instrument [Line Items] | |||
| Less: Term loan discount | (23,640) | (28,748) | |
| Total term loan and securitization facility | $ 1,815,300 | $ 1,875,127 | |
| 7.75% Senior Notes | |||
| Debt Instrument [Line Items] | |||
| Interest rate percentage on borrowings, per annum | 7.75% | 7.75% | 7.75% |
| Less: Current portion of long-term debt | $ 0 | $ 0 | |
| First lien term loan | Term Loan | |||
| Debt Instrument [Line Items] | |||
| Term loan: | $ 1,838,940 | $ 1,903,875 |