Other (Income) Expense, Net (Schedule of Other (Income) Expense, Net) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Equity interest in the earnings of the JV	$ (4,573)	$ (4,675)
Net loss (gain) on sales of assets and businesses	33	(1,538)
Rent income	(88)	(343)
Other components of net periodic pension and other postretirement benefit, excluding service cost and interest expense	(2,485)	(2,901)
Other	(86)	(142)
Other (income) expense, net	(8,390)	(10,674)
Gain (Loss) on Investments in Deferred Compensation Program [Member]
Net gain on investments in deferred compensation program	$ (1,191)	$ (1,075)