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Pension Plans (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 01, 2016
Jan. 02, 2015
Pension Plans [Abstract]    
Service cost
Interest on projected benefit obligation $ 277 $ 269
Less estimated return on plan assets 299 274
Amortization of unrecognized losses 155 85
Net periodic benefit cost $ 133 $ 80