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Other (Income) Expense, Net (Schedule of Other (Income) Expense, Net) (Parenthetical) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2021 | Mar. 31, 2020
Net (gain) loss on sales of assets | [1] | $ 1,354 | $ 10 |  | $ 1,942 | $ 13,557
Duarte Facility [Member] |  |  |  |  |  |
Net (gain) loss on sales of assets |  |  |  | $ (13,522) |  | $ 13,522
[1] | Included in net gain on sale of assets and businesses for the six-months ended March 31, 2020 was the pre-tax gain on sale of Duarte real property in the amount of $13,522 recognized in the first quarter of fiscal year 2020.

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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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