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v3.25.2

Stockholders' Equity - (Detail) - USD ($) $ / shares in Units, $ 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 Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 600,000 |  | 600,000 |
Equity-based compensation expense | $ 2.5 | $ 4.7 | $ 3.5 | $ 8.1
Payment, Tax Withholding, Share-based Payment Arrangement | 0.0 | 0.8 | 2.3 | 3.9
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | 12.3 |  | 12.3 |
Share-based Payment Arrangement, Expense, Tax Benefit | 0.5 | 1.0 | 0.2 | 1.3
Proceeds from Stock Options Exercised | 0.0 | 1.1 | 0.0 | 1.1
Cost of Sales [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax | $ 0.7 | 0.5 | $ 1.3 | 1.0
Continuing Operations |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Equity-based compensation expense |  | 4.3 |  | 7.3
Discontinued Operations |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Equity-based compensation expense |  | $ 0.4 |  | $ 0.8
Restricted Stock Units (RSUs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of share-based awards granted |  |  | 196,128 |
Grant-date fair value of awards per share |  |  | $ 28.35 |
Performance Shares [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of share-based awards granted |  |  | 190,914 |
Grant-date fair value of awards per share |  |  | $ 31.02 |

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