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Stockholders' Equity - 2021 PSU Grants with Market-Based Conditions (Details) - PSUs with Market Based Conditions - $ / shares | 1 Months Ended | 6 Months Ended
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Mar. 31, 2024 | Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Target level of award |  | 100.00%
Consecutive trading days achieving maximum average market value |  | 60 days
Performance period |  | 3 years
Grants in period (in shares) |  | 732,260
Grant date fair value (in dollars per share) |  | $ 68.55
Conversion ratio |  | 1
Vesting period |  | 4 years
Expected term |  | 3 years
Minimum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock issued as percent of target level of achieving maximum average market value |  | 50.00%
Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock issued as percent of target level of achieving maximum average market value |  | 150.00%
Forecast |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting percentage | 50.00% |
Threshold Level |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Market value per share price minimum threshold (in dollars per share) |  | $ 123.81
Stock issued based on achieving target levels (in shares) |  | 244,086
Target Level |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Market value per share price minimum threshold (in dollars per share) |  | $ 148.58
Stock issued based on achieving target levels (in shares) |  | 488,173
Maximum Level |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Market value per share price minimum threshold (in dollars per share) |  | $ 173.34
Stock issued based on achieving target levels (in shares) |  | 732,260

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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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