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Pension Plans (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 29, 2012
Jul. 01, 2011
Jun. 29, 2012
Jul. 01, 2011
Pension Plans [Abstract]        
Interest on projected benefit obligation $ 259 $ 248 $ 777 $ 745
Less estimated return on plan assets 236 228 707 683
Amortization of unrecognized net income 84 24 252 71
Total net periodic benefit cost $ 107 $ 44 $ 322 $ 133