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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 3 Months Ended 6 Months Ended
Sep. 25, 1996
sites
Jun. 29, 2012
Jul. 01, 2011
Jun. 29, 2012
Jul. 01, 2011
Commitments and Contingencies Disclosure [Abstract]          
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 period   $ 5,412 $ 5,403 $ 5,050 $ 5,561
Payments made or service provided   (669) (1,284) (1,412) (1,952)
Warranty expense   788 1,549 1,668 1,945
Foreign currency translation   (259) 78 (34) 192
Balance, end of period   $ 5,272 $ 5,746 $ 5,272 $ 5,746