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Stockholders' Equity - (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 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 200,000  
Equity-based compensation expense $ 1.0 $ 3.3
Payment, Tax Withholding, Share-based Payment Arrangement 2.3 3.1
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 14.4  
Share-based Payment Arrangement, Expense, Tax Benefit (0.3) 0.3
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
Continuing Operations    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity-based compensation expense   3.0
Discontinued Operations    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity-based compensation expense   0.4
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax   $ 0.1
Restricted Stock Units (RSUs) [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of share-based awards granted 193,707  
Grant-date fair value of awards per share $ 28.36  
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