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Employee Benefits (Tables) | 6 Months Ended
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Jun. 30, 2026
Retirement Benefits [Abstract] |
Schedule of Workers' Compensation Known Claims and IBNR Reserves | Workers’ compensation known claims and IBNR reserves included on the Condensed Consolidated Balance Sheets were as follows (in millions):
| June 30, 2026 |  | December 31, 2025
Included in other current liabilities | $ | 9.6 |  |  | $ | 10.4 |
Included in other long-term liabilities | 20.7 |  |  | 20.5 |
| $ | 30.3 |  |  | $ | 30.9 |
Schedule of Insurance Receivable for Claims | We also had insurance receivables included on the Condensed Consolidated Balance Sheets that, in aggregate, offset equal liabilities included within the reserve amounts noted above and were as follows (in millions):
| June 30, 2026 |  | December 31, 2025
Included in other non-current assets | $ | 5.5 |  |  | $ | 4.8 |
Schedule of Equity-based Awards for Employees | Amounts and changes for each category of equity-based award were as follows:
| Common Stock Awards |  | Performance-Based Stock Awards |  | Performance-Based Restricted Stock Units
| Awards |  | Weighted Average Grant Date Fair Value Per Share |  | Awards |  | Weighted Average Grant Date Fair Value Per Share |  | Units |  | Weighted Average Grant Date Fair Value Per Share
Nonvested awards/units at December 31, 2025 | 91,788 |  |  | $ | 170.70 |  |  | 110,586 |  |  | $ | 163.30 |  |  | 10,876 |  |  | $ | 170.37 |
Granted | 49,766 |  |  | 283.56 |  |  | 29,236 |  |  | 319.99 |  |  | 7,917 |  |  | 285.66 |
Vested | (65,748) |  |  | 186.65 |  |  | (50,207) |  |  | 142.23 |  |  | (10,834) |  |  | 170.37 |
Forfeited/Cancelled | (1,435) |  |  | 208.75 |  |  | (139) |  |  | 170.99 |  |  | (100) |  |  | 237.24 |
Nonvested awards/units at June 30, 2026 | 74,371 |  |  | $ | 231.39 |  |  | 89,476 |  |  | $ | 226.30 |  |  | 7,859 |  |  | $ | 285.66 |
Schedule of Stock Compensation Expenses | The following table summarizes the share-based compensation expense recognized by award type (in millions):
| Three months ended June 30, |  | Six months ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
Common Stock Awards | $ | 3.4 |  |  | $ | 2.6 |  |  | $ | 6.3 |  |  | $ | 5.6 |
Non-Employee Common Stock Awards | 0.2 |  |  | 0.2 |  |  | 0.4 |  |  | 0.4 |
Performance-Based Stock Awards | 2.1 |  |  | 1.9 |  |  | 4.1 |  |  | 3.8 |
Liability Performance-Based Stock Awards | — |  |  | 0.2 |  |  | 0.1 |  |  | 0.5 |
Performance-Based Restricted Stock Units | 0.5 |  |  | 0.4 |  |  | 1.0 |  |  | 0.9 |
| $ | 6.2 |  |  | $ | 5.3 |  |  | $ | 11.9 |  |  | $ | 11.2 |
We recorded the following stock compensation expense by income statement category (in millions):
| Three months ended June 30, |  | Six months ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
Cost of sales | $ | 0.3 |  |  | $ | 0.2 |  |  | $ | 0.6 |  |  | $ | 0.5 |
Selling | 0.2 |  |  | 0.2 |  |  | 0.4 |  |  | 0.3 |
Administrative | 5.7 |  |  | 4.9 |  |  | 10.9 |  |  | 10.4 |
| $ | 6.2 |  |  | $ | 5.3 |  |  | $ | 11.9 |  |  | $ | 11.2 |
Schedule of Unrecognized Share-Based Compensation Expense Related to Unvested Awards | Unrecognized share-based compensation expense related to unvested awards was as follows (in millions):
| As of June 30, 2026
| Unrecognized Compensation Expense on Unvested Awards |  | Weighted Average Remaining Vesting Period
Common Stock Awards | $ | 14.7 |  |  | 2.2 years
Performance-Based Stock Awards | 12.5 |  |  | 2.0 years
Performance-Based Restricted Stock Units | 1.7 |  |  | 0.8 years
Total unrecognized compensation expense related to unvested awards | $ | 28.9 |  |  |

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