Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance, beginning     $ (72,114) $ (62,330)
Total other comprehensive income (loss) $ 6,960 $ 6,143 (26,358) 188
Balance, ending (70,490) (70,329) (70,490) (70,329)
Foreign Currency Translation Adjustments [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance, beginning (20,864) (6,210) 14,460 (190)
Other comprehensive income (loss) before reclassifications 9,362 6,167 (25,962) 147
Total other comprehensive income (loss) 9,362 6,167 (25,962) 147
Balance, ending (11,502) (43) (11,502) (43)
Derivative Adjustments [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance, beginning 1,570 24 (436) (41)
Other comprehensive income (loss) before reclassifications (1,594) (24) 909 41
Amounts reclassified from accumulated other comprehensive income (loss) (808)   (1,305)  
Total other comprehensive income (loss) (2,402) (24) (396) 41
Balance, ending (832)   (832)  
Accumulated Other Comprehensive Income (Loss) [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance, beginning (19,294) (6,186) 14,024 (231)
Other comprehensive income (loss) before reclassifications 7,768 6,143 (25,053) 188
Amounts reclassified from accumulated other comprehensive income (loss) (808)   (1,305)  
Total other comprehensive income (loss) 6,960 6,143 (26,358) 188
Balance, ending $ (12,334) $ (43) $ (12,334) $ (43)