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Other (Income) Expense, Net (Schedule of Other (Income) Expense, Net) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Equity interest in the earnings of the JV (Note 6) |  | $ (3,212) | $ (1,465)
Net (gain) loss on sales of assets | [1] | (13,547) | 79
Rent income |  | (251) | (67)
Net (gain) loss on investments in deferred compensation program |  | (1,244) | 1,729
Other components of net periodic pension and other postretirement benefit, excluding service cost and interest expense |  | (3,047) | (3,243)
Other |  | (124) | (212)
Other (income) expense, net |  | (21,425) | $ (3,179)
Duarte Facility [Member] |  |  |
Net (gain) loss on sales of assets |  | $ (13,522) |
[1] | Included in net (gain) loss on sale of assets for the first quarter of fiscal year 2020 was the pre-tax gain on sale of Duarte real property in the amount of $13,522.

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