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Other (Income) Expense, Net (Schedule of Other (Income) Expense, Net) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Equity interest in the earnings of the JV | $ (10,155) | $ (4,573)
Rent income | (82) | (88)
Gain on non-recurring matter related to a previous acquisition | (4,803) |
Other components of net periodic pension and other postretirement benefit, excluding service cost and interest expense | (2,919) | (2,485)
Other | (71) | (53)
Other (income) expense, net | (20,639) | (8,390)
Gain on Investments in Deferred Compensation Program [Member] |  |
Net gain on investments in deferred compensation program | $ (2,609) | $ (1,191)

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