Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance, beginning     $ (62,330) $ (18,502)
Total other comprehensive income (loss) $ (27,423) $ 36,293 (27,235) 47,570
Balance, ending (64,921) (72,849) (64,921) (72,849)
Foreign Currency Translation Adjustments [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance, beginning (43) (22,372) (190) (35,551)
Other comprehensive income (loss) before reclassifications (27,340) 37,583 (27,193) 50,762
Total other comprehensive income (loss) (27,340) 37,583 (27,193) 50,762
Balance, ending (27,383) 15,211 (27,383) 15,211
Derivative Adjustments [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance, beginning   (1,417) (41) 485
Other comprehensive income (loss) before reclassifications (83) (2,869) (42) (4,286)
Amounts reclassified from accumulated other comprehensive income   1,579   1,094
Total other comprehensive income (loss) (83) (1,290) (42) (3,192)
Balance, ending (83) (2,707) (83) (2,707)
Accumulated Other Comprehensive Income (Loss) [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance, beginning (43) (23,789) (231) (35,066)
Other comprehensive income (loss) before reclassifications (27,423) 34,714 (27,235) 46,476
Amounts reclassified from accumulated other comprehensive income   1,579   1,094
Total other comprehensive income (loss) (27,423) 36,293 (27,235) 47,570
Balance, ending $ (27,466) $ 12,504 $ (27,466) $ 12,504