Segments - Reconciliation of Segment Reporting to Consolidated (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Segment Reconciliation [Abstract]                      
Total Segment EBITDA                 $ 324,197 $ 360,523 $ 350,974
Corporate unallocated                 (143,181) (133,658) (107,557)
Less: Interest expense, net                 124,923 132,038 109,971
Less Provision for income taxes                 19,719 21,849 17,560
Less Depreciation and amortization                 103,706 95,196 85,604
Net income (loss) $ (29,687) $ (10,110) $ (44,621) $ 17,086 $ 10,588 $ 4,936 $ (28,064) $ (9,678) $ (67,332) $ (22,218) $ 30,282