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Pension Plans (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 28, 2013
Jun. 29, 2012
Jun. 28, 2013
Jun. 29, 2012
Pension Plans [Abstract]        
Interest on projected benefit obligation $ 249 $ 259 $ 748 $ 777
Less estimated return on plan assets 244 236 733 707
Amortization of unrecognized net income 167 84 500 252
Total net periodic benefit cost $ 172 $ 107 $ 515 $ 322