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SHARE BASED COMPENSATION - Summary of Share Based Compensation Expense (Details) - USD ($) $ in Millions | 12 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
Share based compensation | $ 28.9 | $ 31.8 | $ 44.2
SB/RH |  |  |
Share based compensation | $ 27.2 | $ 30.5 | $ 42.6

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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Details
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