Accrued Product Warranties (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Movement in Standard Product Warranty Accrual [Roll Forward]
Accrued product warranties, beginning of year	$ 16,152	$ 16,046	$ 18,686
Amounts paid for warranty services	(10,372)	(12,317)	(11,849)
Warranty provisions for products sold	10,917	10,477	9,519
Business acquisitions and disposals	0	839	(20)
Currency translation adjustments and other	1,035	1,107	(290)
Accrued product warranties, end of year	17,732	16,152	16,046
Current accrued product warranties, end of year	14,665	13,169	13,370
Long-term accrued product warranties, end of ear	$ 3,067	$ 2,983	$ 2,676
Minimum [Member]
Schedule of Accrued Liabilities [Line Items]
Product warranty term	12
Maximum [Member]
Schedule of Accrued Liabilities [Line Items]
Product warranty term	24