Commitments and Contingencies (Details) (USD $)	0 Months Ended	12 Months Ended
	Sep. 25, 1996 sites	Dec. 31, 2013	Dec. 31, 2012	Dec. 30, 2011
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2014		$ 7,260,000
2015		5,876,000
2016		3,844,000
2017		2,823,000
2018		2,308,000
Thereafter		14,723,000
Operating leases, future minimum payments due		36,834,000
Operating leases, rent expense		11,800,000	11,600,000	12,500,000
Long-term purchase commitment, amount		15,700,000
Number of national priorities list sites for which the company is indemnified for substantially all costs related to specifically identified environmental matters	11
Number of national priorities list sites for which the company is indemnified for certain potential costs related to specifically identified environmental matters	9
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Balance, beginning of year		5,098,000	5,050,000	5,561,000
Payments made or service provided		(3,480,000)	(2,849,000)	(4,340,000)
Warranty expense		3,639,000	2,948,000	3,445,000
Foreign currency translation		69,000	(51,000)	384,000
Balance, end of year		$ 5,326,000	$ 5,098,000	$ 5,050,000
Minimum
Guarantor Obligations [Line Items]
Warranty period		1 year