Accrued Product Warranties (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) months	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]
Accrued product warranties, beginning of year	$ 16,514	$ 16,175	$ 17,732
Amounts paid for warranty services	(19,592)	(12,821)	(10,267)
Warranty provisions for products sold	22,928	13,074	9,880
Business acquisitions and disposals	1,215	395	0
Currency translation adjustments and other	(220)	(309)	(1,170)
Accrued product warranties, end of year	20,845	16,514	16,175
Current accrued product warranties, end of year	17,476	13,406	13,538
Long-term accrued product warranties, end of ear	$ 3,369	$ 3,108	$ 2,637
Minimum
Product Warranty Liability [Line Items]
Product warranty term | months	12
Maximum
Product Warranty Liability [Line Items]
Product warranty term | months	24