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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, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Equity interest in the earnings of the JV | $ (4,140) | $ (3,779) | $ (8,815) | $ (6,165)
Net (gain) on sales of assets and businesses | (3) | (1,354) | (1,541) | (1,942)
Rent income | (69) | (393) | (412) | (743)
Other components of net periodic pension and other postretirement benefit, excluding service cost and interest expense | (2,935) | (3,401) | (5,836) | (7,051)
Other | (191) | (130) | (333) | (296)
Other (income) expense, net | (4,887) | (11,331) | (15,561) | (19,454)
Gain (Loss) on Investments in Deferred Compensation Program [Member] |  |  |  |
Net loss (gain) on investments in deferred compensation program | $ 2,451 | $ (2,274) | $ 1,376 | $ (3,257)

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