Accumulated Other Comprehensive Income (Loss) - Summary of Changes in 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]
Accumulated Other Comprehensive Income (Loss), beginning balance	$ (83,945)	$ (29,528)	$ (38,250)
Other comprehensive income before reclassifications	(44,161)	(56,129)	5,300
Amounts reclassified from AOCI	3,018	1,712	3,422
Net current period other comprehensive income	(41,143)	(54,417)	8,722
Accumulated Other Comprehensive Income (Loss), ending balance	(125,088)	(83,945)	(29,528)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated Other Comprehensive Income (Loss), beginning balance	(42,914)	(10,971)	(2,886)
Other comprehensive income before reclassifications	(45,423)	(31,943)	(8,085)
Net current period other comprehensive income	(45,423)	(31,943)	(8,085)
Accumulated Other Comprehensive Income (Loss), ending balance	(88,337)	(42,914)	(10,971)
Defined Benefit Pension Plan Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated Other Comprehensive Income (Loss), beginning balance	(41,149)	(18,672)	(35,498)
Other comprehensive income before reclassifications	1,311	(24,186)	13,417
Amounts reclassified from AOCI	3,013	1,709	3,409
Net current period other comprehensive income	4,324	(22,477)	16,826
Accumulated Other Comprehensive Income (Loss), ending balance	(36,825)	(41,149)	(18,672)
Cash Flow Hedge Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated Other Comprehensive Income (Loss), beginning balance	118	115	134
Other comprehensive income before reclassifications	(49)		(32)
Amounts reclassified from AOCI	5	3	13
Net current period other comprehensive income	(44)	3	(19)
Accumulated Other Comprehensive Income (Loss), ending balance	$ 74	$ 118	$ 115