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Subsequent Events (Details) - USD ($) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Nov. 15, 2020 | Oct. 27, 2020 | Sep. 30, 2020 | Nov. 13, 2020
Subsequent Event [Line Items] |  |  |  |
Vesting period |  |  | 1 year 3 months 18 days |
Performance-Based Restricted Stock Units |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Vesting period |  |  | 3 years |
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Stock authorized to repurchase |  |  |  | $ 1,000,000,000
Subsequent Event | Corporate Incentive Plan |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Restricted stock units granted, value | $ 14,000,000.0 |  |  |
Subsequent Event | Corporate Incentive Plan | Executive Officers |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Restricted stock units granted, value | 2,600,000 |  |  |
Subsequent Event | Service-Based Restricted Stock Units |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Restricted stock units granted, value | $ 53,000,000.0 |  |  |
Vesting period | 3 years |  |  |
Subsequent Event | Service-Based Restricted Stock Units | Executive Officers |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Restricted stock units granted, value | $ 19,600,000 |  |  |
Subsequent Event | Performance-Based Restricted Stock Units |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Vesting period | 3 years |  |  |
Subsequent Event | Performance-Based Restricted Stock Units | Executive Officers |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Restricted stock units granted, value | $ 17,000,000.0 |  |  |
Revolving Credit Facility | Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt repaid |  | $ 18,000,000 |  |

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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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