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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
May 06, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Engineering, Selling and Administrative Expense |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Stock-based compensation expense (in dollars) |  | $ 1.1 | $ 2.4 | $ 7.1 | $ 8.0
Restricted Stock Units |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Granted (in shares) |  | 0 | 2,694 | 628,499 | 461,632
Cash-settled liability awards |  |  |  | 78,145 | 0
Restricted Stock Units | Director |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Granted (in shares) |  |  |  | 130,207 | 78,894
Performance Shares |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Granted (in shares) |  | 0 | 0 | 437,969 | 365,174
Cash-settled liability awards |  |  |  | 63,171 | 0
2025 Omnibus Plan |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Common stock originally available for awards | 1,800,000 |  |  |  |
Terms of vesting period |  |  |  | These awards include cash-settled restricted stock units which vest in three annual increments over a three-year period and cash-settled performance share units which vest after three years and are earned based on the extent to which performance goals are met over the applicable performance period. |
Accounts payable and accrued expenses |  | $ 1.1 |  | $ 1.1 |
Outstanding cash-settled awards |  |  |  | 232,603 |
2025 Omnibus Plan | Restricted Stock Units |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Performance period (in years) |  |  |  | 3 years |
2025 Omnibus Plan | Performance Shares |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Vesting period |  |  |  | 3 years |
Performance Shares 2025 | Performance Shares |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Percentage of shares paid based on total shareholder return relative to peer group (as a percent) |  |  |  | 60.00% |
Increase decrease in percentage of shares paid based on total shareholder return relative to defined peer group |  |  |  | 20.00% |
Performance period (in years) |  |  |  | 3 years |
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Shares Granted Based On Adjusted R O I C |  |  |  | 40.00% |
Percentage of shares of other than options granted during the period |  |  |  | 200.00% |
Performance Shares 2024 | Performance Shares |  |  |  |  |
Stock-Based Compensation |  |  |  |  |
Percentage of shares paid based on total shareholder return relative to peer group (as a percent) |  |  |  |  | 60.00%
Increase decrease in percentage of shares paid based on total shareholder return relative to defined peer group |  |  |  |  | 20.00%
Performance period (in years) |  |  |  |  | 3 years
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Shares Granted Based On Adjusted R O I C |  |  |  |  | 40.00%
Percentage of shares of other than options granted during the period |  |  |  |  | 200.00%

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