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Other (Income) Expense, Net (Schedule of Other (Income) Expense, Net) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Equity interest in the earnings of the JV | $ (8,468) | $ (4,140) | $ (13,041) | $ (8,815)
Net loss (gain) on sales of assets and businesses | 857 | (3) | 890 | (1,541)
Rent income | (93) | (69) | (181) | (412)
Other components of net periodic pension and other postretirement benefit, excluding service cost and interest expense | (2,675) | (2,935) | (5,160) | (5,836)
Other | 18 | (191) | (68) | (333)
Other (income) expense, net | (12,040) | (4,887) | (20,430) | (15,561)
(Gain) Loss on Investments in Deferred Compensation Program [Member] |  |  |  |
Net (gain) loss on investments in deferred compensation program | $ (1,679) | $ 2,451 | $ (2,870) | $ 1,376

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