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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%