RETIREMENT PLANS (Schedule Of Components Of Net Periodic Benefit Cost For Plans) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Interest cost	$ 875	$ 821	$ 1,750	$ 1,641
Expected return on assets	(1,086)	(975)	(2,172)	(1,950)
Amortization of Prior service cost	0	0	0	0
Amortization of Actuarial loss	487	548	974	1,097
Net periodic benefit cost	$ 276	$ 394	$ 552	$ 788