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Stock-Based Compensation - Employee Stock Purchase Plan (Details) - shares | 3 Months Ended | 7 Months Ended |
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Mar. 31, 2022 | Mar. 31, 2022 | Sep. 30, 2021
Employee Stock Purchase Plan (ESPP) 2021 |  |  |
Stock-Based Compensation |  |  |
Number of shares issued | 8,624 |  |
UK Sharesave Sub-plan (SAYE) |  |  |
Stock-Based Compensation |  |  |
Options authorized |  |  | 25,875
Number of shares issued |  | 0 |

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- Definition Number of shares authorized for issuance under share-based payment arrangement. + 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)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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