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RETIREMENT PLANS (Schedule Of Components Of Net Periodic Benefit Cost For Plans) (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Defined benefit plans    
Interest cost $ 820 $ 965
Expected return on assets (975) (1,094)
Amortization of Prior service cost 0 3
Amortization of Actuarial loss 549 505
Net periodic benefit cost $ 394 $ 379