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Stock-Based Compensation - Share-based Payment Arrangement, Activity (Details) - $ / shares | 9 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023
Restricted stock/units |  |
Number Granted |  |
Equity instruments other than options (in shares) | 1,874,606 | 1,799,240
Weighted Average Grant Date Fair Value |  |
Equity instruments other than options (in dollars per share) | $ 53.86 | $ 66.28
Performance shares |  |
Number Granted |  |
Equity instruments other than options (in shares) | 370,307 | 339,191
Weighted Average Grant Date Fair Value |  |
Equity instruments other than options (in dollars per share) | $ 54.13 | $ 79.54
Stock options |  |
Number Granted |  |
Equity instruments other than options (in shares) | 652,702 | 570,140
Weighted Average Grant Date Fair Value |  |
Equity instruments other than options (in dollars per share) | $ 13.74 | $ 18.21

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- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Options And Equity Instruments Other Than Options, Grants In Period, Net Of Forfeitures + References No definition available. + Details
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- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Options And Instruments Other Than Options, Weighted Average Grant Date Fair Value + References No definition available. + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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