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v3.22.2.2

Employee Benefit Plans - Performance-Based Restricted Stock Units (Details) - Performance Shares [Member] - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2022 | Mar. 31, 2022 | Oct. 31, 2021 | Nov. 30, 2020 | Nov. 30, 2019 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  |  | $ 35.4 | $ 22.6 | $ 9.3
Minimum [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Range of percentage of units vested upon achieving performance criteria |  |  |  |  |  | 0.00% |  |
Maximum [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Range of percentage of units vested upon achieving performance criteria |  |  |  |  |  | 200.00% |  |
Fiscal 2022 Grant |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Target number of performance units |  | 430,000 | 390,000 |  |  |  |  |
Granted, weighted average grant date fair value, per share |  |  | $ 80.58 |  |  |  |  |
Share-based compensation expense |  |  |  |  |  | $ 14.3 | 0.0 | 0.0
Fiscal 2021 Grant |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Target number of performance units |  |  |  | 360,000 |  |  |  |
Granted, weighted average grant date fair value, per share |  |  |  | $ 70.60 |  |  |  |
Share-based compensation expense |  |  |  |  |  | 12.5 | 12.5 | 0.0
Fiscal 2020 Grant [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Target number of performance units |  |  |  |  | 360,000 |  |  |
Granted, weighted average grant date fair value, per share |  |  |  |  | $ 52.54 |  |  |
Share-based compensation expense |  |  |  |  |  | $ 8.6 | $ 10.1 | $ 9.3
Fiscal 2020 Grant [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Restricted stock awarded | 585,000 |  |  |  |  |  |  |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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