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Stock-Based Compensation (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation |  |  | $ 15.2 | $ 12.5
Total tax benefits (expense) associated with stock-based compensation | $ 0.6 | $ 0.6 | 2.1 | (0.2)
To be settled with stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation expense | 3.2 | 3.1 | 14.1 | 10.1
Employee contributions for above stock plans | 0.7 | 1.2 | 1.1 | 2.4
Total stock-based compensation | 3.9 | 4.3 | 15.2 | 12.5
Total tax benefits (expense) associated with stock-based compensation | 0.8 | 0.8 | 3.5 | 2.5
To be settled with stock | Tax expense on stock-based compensation payments |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total tax benefits (expense) associated with stock-based compensation | (0.2) | (0.2) | (1.4) | (2.7)
To be settled with stock | Restricted Stock Unit awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation expense | 0.6 | 0.4 | 9.5 | 7.4
To be settled with stock | All other stock plans |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation expense | 2.6 | 2.7 | 4.6 | 2.7
To be settled in cash |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation expense | 1.6 | 0.9 | 2.2 | 1.2
To be settled in cash | Restricted Stock Unit awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation expense | 0.0 | 0.0 | 0.0 | 0.0
To be settled in cash | All other stock plans |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation expense | $ 1.6 | $ 0.9 | $ 2.2 | $ 1.2

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