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Summary Of Significant Accounting Policies (Schedule Of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 28, 2012
Sep. 30, 2011
Oct. 01, 2010
Summary Of Significant Accounting Policies [Abstract]      
Foreign currency translation adjustment, Pre-Tax Amount $ 23,901 $ 25,811 $ 23,305
Foreign currency translation adjustment, Net of Tax Amount 23,901 25,811 23,305
Unamortized loss on pension plans, Pre-Tax Amount (10,207) (7,636) (5,315)
Unamortized loss on pension plans, Tax Effect 2,561 1,584  
Unamortized loss on pension plans, Net of Tax Amount (7,646) (6,052) (5,315)
Unrealized loss on interest rate swaps, Pre-Tax Amount (138) (927) (1,917)
Unrealized loss on interest rate swaps, Net of Tax Amount (138) (927) (1,917)
Accumulated Other Comprehensive income, Pre-Tax Amount 13,556 17,248 16,073
Accumulated Other Comprehensive income, Tax Effect 2,561 1,584  
Accumulated Other Comprehensive income, Net of Tax Amount $ 16,117 $ 18,832 $ 16,073