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v3.25.2

Share-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Share-based compensation expense |  | $ 10.4 | $ 11.8 | $ 22.0 | $ 23.7
Weighted-average grant date fair value of SARs granted | [1] |  |  | $ 8.1 |
Total vesting date fair value of stock units |  | 5.4 | $ 10.6 | $ 19.8 | $ 17.1
Maximum [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Total intrinsic value of awards exercised for SARs |  | $ 0.0 |  | $ 0.0 |
Stock Appreciation Rights (SARs) |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Weighted-average grant date fair value of SARs granted |  | $ 3.88 | $ 4.94 | $ 4.14 | $ 4.51
SARs granted | [2] |  |  | 2,646 |
SARs exercised |  |  |  | 0 |
Stock Appreciation Rights (SARs) | Service condition [Member] | Consultants [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period beginning from the grant date |  |  |  | 3 years |
Stock Appreciation Rights (SARs) | Service condition [Member] | Minimum [Member] | Executives [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period beginning from the grant date |  |  |  | 2 years |
Stock Appreciation Rights (SARs) | Service condition [Member] | Maximum [Member] | Executives [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period beginning from the grant date |  |  |  | 3 years |
Service Condition Awards [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Unrecognized compensation cost on non-vested stock awards |  | $ 56.2 |  | $ 56.2 |
Unrecognized compensation cost on non-vested stock awards, weighted-average period of recognition |  |  |  | 1 year 7 months 6 days |
Performance Award [Member] | Minimum [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period beginning from the grant date |  |  |  | 2 years |
Performance Award [Member] | Maximum [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period beginning from the grant date |  |  |  | 3 years |
[1] | Includes 1.6 million performance-based restricted stock units.
[2] | Includes 0.1 million performance condition SARs.

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