Restructuring and other impairment charges - reconciliation of changes in accrued liabilities associated with restructuring program (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
2016 Manufacturing footprint realignment plan
Restructuring Reserve [Roll Forward]
Balance, beginning	$ 0
Subsequent accruals	12,510
Cash payments	(3,784)
Translation	169
Balance, ending	8,895	$ 0
2014 Manufacturing footprint realignment plan
Restructuring Reserve [Roll Forward]
Balance, beginning	7,447	9,097
Subsequent accruals	119	1,685
Cash payments	(2,196)	(3,335)
Balance, ending	5,370	7,447
Termination benefits | 2016 Manufacturing footprint realignment plan
Restructuring Reserve [Roll Forward]
Balance, beginning	0
Subsequent accruals	11,176
Cash payments	(3,220)
Translation	179
Balance, ending	8,135	0
Termination benefits | 2014 Manufacturing footprint realignment plan
Restructuring Reserve [Roll Forward]
Balance, beginning	7,447	9,097
Subsequent accruals	81	1,007
Cash payments	(2,158)	(2,657)
Balance, ending	5,370	7,447
Facility closure and other exit costs | 2016 Manufacturing footprint realignment plan
Restructuring Reserve [Roll Forward]
Balance, beginning	0
Subsequent accruals	468
Cash payments	(469)
Translation	1
Balance, ending	0	0
Facility closure and other exit costs | 2014 Manufacturing footprint realignment plan
Restructuring Reserve [Roll Forward]
Balance, beginning	0	0
Subsequent accruals	38	289
Cash payments	(38)	(289)
Balance, ending	0	0
Contract termination costs | 2016 Manufacturing footprint realignment plan
Restructuring Reserve [Roll Forward]
Balance, beginning	0
Subsequent accruals	866
Cash payments	(95)
Translation	(11)
Balance, ending	760	0
Contract termination costs | 2014 Manufacturing footprint realignment plan
Restructuring Reserve [Roll Forward]
Balance, beginning	0	0
Subsequent accruals	0	389
Cash payments	0	(389)
Balance, ending	$ 0	$ 0