Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	$ (53,662)	$ (20,561)
Pre-tax amount	4,030	(29,260)
Tax (provision) benefit	239	(2,177)
Reclassification of (gain) loss to net income	(21)	(1,664)
Ending balance, accumulated other comprehensive income (loss)	(49,414)	(53,662)
Foreign Currency Translation Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	(58,601)	(22,076)
Pre-tax amount	4,297	(37,178)
Reclassification of (gain) loss to net income		647
Foreign currency translation	3	6
Ending balance, accumulated other comprehensive income (loss)	(54,301)	(58,601)
Unrealized Gain (Loss) on Net Investment Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	4,170	276
Pre-tax amount	(698)	6,101
Tax (provision) benefit	265	(2,207)
Ending balance, accumulated other comprehensive income (loss)	3,737	4,170
Unrealized Actuarial Gain (Loss) Related to Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	1,029	1,008
Pre-tax amount		121
Tax (provision) benefit		(2)
Reclassification of (gain) loss to net income	(22)	(53)
Foreign currency translation	(4)	(45)
Ending balance, accumulated other comprehensive income (loss)	1,003	1,029
Unrealized Gain (Loss) on Cash Flow Hedging Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	(527)	(111)
Pre-tax amount	431	1,708
Tax (provision) benefit	(26)	32
Reclassification of (gain) loss to net income	28	(2,195)
Foreign currency translation	1	39
Ending balance, accumulated other comprehensive income (loss)	(93)	(527)
Unrealized Gain (Loss) on Post Retirement Obligation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive income (loss)	267	342
Pre-tax amount		(12)
Reclassification of (gain) loss to net income	(27)	(63)
Ending balance, accumulated other comprehensive income (loss)	$ 240	$ 267