Changes in Accumulated Other Comprehensive Loss by Component - Reconciliation of Changes in Accumulated Other Comprehensive Loss by Component (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) by component, beginning balance	$ (76,086)	$ (63,832)
Net current-period Other Comprehensive Income (Loss)	4,730	4,189
Accumulated other comprehensive income (loss) by component, ending balance	(71,356)	(59,643)
Gains and Losses on Cash Flow Hedges [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) by component, beginning balance	(646)	(140)
Net current-period Other Comprehensive Income (Loss)	818	0
Accumulated other comprehensive income (loss) by component, ending balance	172	(140)
Defined Benefit Pension Plans [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) by component, beginning balance	(5,668)	(5,807)
Net current-period Other Comprehensive Income (Loss)	(234)	110
Accumulated other comprehensive income (loss) by component, ending balance	(5,902)	(5,697)
Cumulative Foreign Currency Translation Adjustment [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) by component, beginning balance	(69,772)	(57,885)
Net current-period Other Comprehensive Income (Loss)	4,146	4,079
Accumulated other comprehensive income (loss) by component, ending balance	$ (65,626)	$ (53,806)