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Other Income, Net (Schedule of Other Income, Net) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2026 | Mar. 31, 2025
Nonoperating income [Abstract] |  |  |  |
Equity interest in the earnings of the JV | $ (15,558) | $ (11,386) | $ (30,935) | $ (21,542)
Net loss (gain) on sales of assets and businesses | 18 | (10,806) | 36 | (20,049)
Net (gain) loss on investments in deferred compensation program | 1,369 | 1,034 | 762 | 1,133
Other components of net periodic pension and other postretirement benefit, excluding service cost and interest expense | (3,259) | (3,323) | (6,552) | (6,639)
Other | (628) | (323) | (743) | (794)
Other income, net | $ (18,058) | $ (24,804) | $ (37,432) | $ (47,891)

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