Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	$ (20,561)	$ 7,997	$ 14,856
Pre-tax amount	(29,260)	(31,366)	(8,152)
Tax (provision) benefit	(2,177)	(2,345)	1,067
Reclassification of (gain) loss to net income	(1,664)	5,153	226
Ending balance, accumulated other comprehensive income (loss)	(53,662)	(20,561)	7,997
Foreign Currency Translation Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	(22,076)	12,751	16,083
Pre-tax amount	(37,178)	(34,947)	(3,465)
Reclassification of (gain) loss to net income	647
Foreign currency translation	6	120	133
Ending balance, accumulated other comprehensive income (loss)	(58,601)	(22,076)	12,751
Unrealized Gain (Loss) on Net Investment Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	276	(3,683)	(2,565)
Pre-tax amount	6,101	6,344	(1,720)
Tax (provision) benefit	(2,207)	(2,385)	602
Ending balance, accumulated other comprehensive income (loss)	4,170	276	(3,683)
Unrealized Actuarial Gain (Loss) Related to Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	1,008	1,150	1,413
Pre-tax amount	121	(50)	(136)
Tax (provision) benefit	(2)	57	16
Reclassification of (gain) loss to net income	(53)	(35)	(41)
Foreign currency translation	(45)	(114)	(102)
Ending balance, accumulated other comprehensive income (loss)	1,029	1,008	1,150
Unrealized Gain (Loss) on Cash Flow Hedging Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	(111)	(2,535)	(570)
Pre-tax amount	1,708	(2,790)	(2,704)
Tax (provision) benefit	32	(17)	449
Reclassification of (gain) loss to net income	(2,195)	5,237	321
Foreign currency translation	39	(6)	(31)
Ending balance, accumulated other comprehensive income (loss)	(527)	(111)	(2,535)
Unrealized Gain (Loss) on Post Retirement Obligation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	342	314	495
Pre-tax amount	(12)	77	(127)
Reclassification of (gain) loss to net income	(63)	(49)	(54)
Ending balance, accumulated other comprehensive income (loss)	$ 267	$ 342	$ 314