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Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Goodwill [Roll Forward]    
Goodwill, beginning balance $ 472.7 $ 453.4
Translation adjustments (3.0) 1.5
Acquisitions, including measurement period adjustments 8.0  
Goodwill acquired   17.8
Goodwill, ending balance 477.7 472.7
Environmental Solutions    
Goodwill [Roll Forward]    
Goodwill, beginning balance 361.9 343.8
Translation adjustments (1.1) 0.3
Acquisitions, including measurement period adjustments 8.0  
Goodwill acquired   17.8
Goodwill, ending balance 368.8 361.9
Safety And Security Systems    
Goodwill [Roll Forward]    
Goodwill, beginning balance 110.8 109.6
Translation adjustments (1.9) 1.2
Acquisitions, including measurement period adjustments 0.0  
Goodwill acquired   0.0
Goodwill, ending balance $ 108.9 $ 110.8