Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2013

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, 2013, were as follows:

2014	$	7,260
2015	5,876
2016	3,844
2017	2,823
2018	2,308
Thereafter	14,723
	$	36,834

Schedule of Product Warranty Liability

Changes in the product warranty accrual are summarized follows:

	Year Ended
	December 31, 2013			December 31, 2012			December 30, 2011
Balance, beginning of year	$	5,098		$	5,050		$	5,561
Payments made or service provided	(3,480		)	(2,849		)	(4,340		)
Warranty expense	3,639			2,948			3,445
Foreign currency translation	69			(51		)	384
Balance, end of year	$	5,326		$	5,098		$	5,050