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Share-Based Compensation and Capital Stock - Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 USD ($) shares | Sep. 30, 2021 USD ($) shares | Sep. 30, 2022 USD ($) award_type shares | Sep. 30, 2021 USD ($) shares | Sep. 14, 2022 shares
Share-Based Compensation and Capital Stock [Line Items] |  |  |  |  |
Increase in number of shares authorized to be repurchased (in shares) |  |  |  |  | 5,000,000
Number of shares authorized to be repurchased (in shares) |  |  |  |  | 6,700,000
Stock repurchased during period (in shares) | 2,004,386 | 34,746 | 2,072,872 | 36,328 |
Cost of shares repurchased | $ | $ 231.3 | $ 4.0 | $ 241.2 | $ 4.2 |
Stock redeemed during period (in shares) | 614 | 5,300 | 35,462 | 52,955 |
Stock redeemed during period | $ | $ 0.1 | $ 0.7 | $ 5.3 | $ 5.8 |
Restricted stock awards |  |  |  |  |
Share-Based Compensation and Capital Stock [Line Items] |  |  |  |  |
Types of awards granted | award_type |  |  | 2 |  |
Restricted stock awards | Minimum |  |  |  |  |
Share-Based Compensation and Capital Stock [Line Items] |  |  |  |  |
Performance period, duration |  |  | 9 months |  |
Restricted stock awards | Maximum |  |  |  |  |
Share-Based Compensation and Capital Stock [Line Items] |  |  |  |  |
Performance period, duration |  |  | 60 months |  |
Performance Vested Restricted Stock Units |  |  |  |  |
Share-Based Compensation and Capital Stock [Line Items] |  |  |  |  |
Types of awards granted | award_type |  |  | 3 |  |
Performance Vested Restricted Stock Units | Minimum |  |  |  |  |
Share-Based Compensation and Capital Stock [Line Items] |  |  |  |  |
Performance period, duration |  |  | 9 months |  |
Performance period, percent |  |  | 0.00% |  |
Performance Vested Restricted Stock Units | Maximum |  |  |  |  |
Share-Based Compensation and Capital Stock [Line Items] |  |  |  |  |
Performance period, duration |  |  | 60 months |  |
Performance period, percent |  |  | 300.00% |  |

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