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PENSION PLANS (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2017
Jul. 01, 2016
Jun. 30, 2017
Jul. 01, 2016
Components of net periodic benefit cost:        
Service cost $ 0 $ 0 $ 0 $ 0
Interest on projected benefit obligation 215 299 783 853
Less estimated return on plan assets 347 351 895 949
Amortization of unrecognized losses 265 114 548 424
Net periodic benefit cost $ 133 $ 62 $ 436 $ 328