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Pension Plans (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Dec. 27, 2013
Dec. 28, 2012
Pension Plans [Abstract]    
Interest on projected benefit obligation $ 249 $ 259
Less estimated return on plan assets 244 236
Amortization of unrecognized net income 167 84
Total net periodic benefit cost $ 172 $ 107