Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Recurring [Member] - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets
Foreign currency exchange contracts	$ 1,122	$ 718
Liabilities
Foreign currency exchange contracts	(1,360)	(601)
Interest rate swap agreements	(131)	(352)
Contingent consideration	(2,531)	(10,403)
Temporary Equity
Redeemable noncontrolling interest	(45,755)	(38,624)
Level 1 [Member]
Assets
Foreign currency exchange contracts	0	0
Liabilities
Foreign currency exchange contracts	0	0
Interest rate swap agreements	0	0
Contingent consideration	0	0
Temporary Equity
Redeemable noncontrolling interest	0	0
Level 2 [Member]
Assets
Foreign currency exchange contracts	1,122	718
Liabilities
Foreign currency exchange contracts	(1,360)	(601)
Interest rate swap agreements	(131)	(352)
Contingent consideration	0	0
Temporary Equity
Redeemable noncontrolling interest	0	0
Level 3 [Member]
Assets
Foreign currency exchange contracts	0	0
Liabilities
Foreign currency exchange contracts	0	0
Interest rate swap agreements	0	0
Contingent consideration	(2,531)	(10,403)
Temporary Equity
Redeemable noncontrolling interest	$ (45,755)	$ (38,624)