XML 21 R34.htm IDEA: XBRL DOCUMENT v2.4.0.8
Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 3 Months Ended 9 Months Ended
Sep. 25, 1996
sites
Sep. 27, 2013
Sep. 28, 2012
Sep. 27, 2013
Sep. 28, 2012
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   $ 5,047 $ 5,272 $ 5,098 $ 5,050
Payments made or service provided   734 596 (2,565) (2,008)
Warranty expense   997 718 2,838 2,386
Foreign currency translation   93 47 32 13
Balance, end of period   $ 5,403 $ 5,441 $ 5,403 $ 5,441