Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Minimum commitments under long-term non-cancelable operating leases, principally for equipment and facilities at December 31, 2014, were as follows:

2015	$	10,760
2016	8,334
2017	7,134
2018	4,473
2019	2,389
Thereafter	6,117
	$	39,207

Schedule of Product Warranty Liability

Changes in the product warranty accrual are summarized follows:

	Year Ended
	December 31, 2014			December 31, 2013			December 31, 2012
Balance, beginning of year	$	5,326		$	5,098		$	5,050
Payments made or service provided	(3,190		)	(3,480		)	(2,849		)
Warranty expense	1,996			3,639			2,948
Foreign currency translation	(162		)	69			(51		)
Balance, end of year	$	3,970		$	5,326		$	5,098