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Pension Plans (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 28, 2014
Mar. 29, 2013
Mar. 28, 2014
Mar. 29, 2013
Pension Plans [Abstract]        
Service cost            
Interest on projected benefit obligation 250 240 499 499
Less estimated return on plan assets 244 253 488 489
Amortization of unrecognized net income 166 249 333 333
Total net periodic benefit cost $ 172 $ 236 $ 344 $ 343