SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS INVENTORY RESERVE (Detail) - Inventory Valuation Reserve - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]
Inventory Valuation Reserves, Beginning Balance	$ 33,874	$ 32,373	$ 31,703
Valuation Allowances and Reserves, Charged to Cost and Expense	19,741	13,214	14,226
Valuation Allowances and Reserves, Deductions	(15,818)	(11,428)	(17,777)
Valuation Allowances and Reserves, Translation and Other	(1,281)	(285)	4,221
Inventory Valuation Reserves, Ending Balance	36,516	33,874	32,373
Raw material
Movement in Valuation Allowances and Reserves [Roll Forward]
Inventory Valuation Reserves, Beginning Balance	6,891	5,687	9,394
Valuation Allowances and Reserves, Charged to Cost and Expense	4,102	1,840	1,931
Valuation Allowances and Reserves, Deductions	(1,611)	(2,391)	(5,774)
Valuation Allowances and Reserves, Translation and Other	(1,805)	1,755	136
Inventory Valuation Reserves, Ending Balance	7,577	6,891	5,687
Work-in-process
Movement in Valuation Allowances and Reserves [Roll Forward]
Inventory Valuation Reserves, Beginning Balance	509	1,729	1,646
Valuation Allowances and Reserves, Charged to Cost and Expense	579	1,239	855
Valuation Allowances and Reserves, Deductions	(554)	(1,720)	(340)
Valuation Allowances and Reserves, Translation and Other	2,605	(739)	(432)
Inventory Valuation Reserves, Ending Balance	3,139	509	1,729
Finished goods
Movement in Valuation Allowances and Reserves [Roll Forward]
Inventory Valuation Reserves, Beginning Balance	26,474	24,957	20,663
Valuation Allowances and Reserves, Charged to Cost and Expense	15,060	10,135	11,440
Valuation Allowances and Reserves, Deductions	(13,653)	(7,317)	(11,663)
Valuation Allowances and Reserves, Translation and Other	(2,081)	(1,301)	4,517
Inventory Valuation Reserves, Ending Balance	$ 25,800	$ 26,474	$ 24,957