v3.25.4
Supplemental disclosures of cash flow information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Components and classification of cash, restricted cash and equivalents        
Cash and cash equivalents $ 365.4 $ 261.9    
Restricted cash classified as other assets 2.9 2.8    
Total 368.3 264.7 $ 287.7 $ 396.9
Cash flows from operating activities:        
Federal 56.4 159.1 110.6  
State 22.8 34.2 27.8  
Foreign 65.8 54.5 86.0  
Total 145.0 247.8 224.4  
Cash paid for interest, net, excluding financing leases 161.3 211.0 267.0  
Cash paid for interest on finance leases 1.6 4.2 5.1  
Cash paid under operating leases 43.2 44.0 43.8  
Cash flows from financing activities:        
Cash paid under finance leases 6.3 5.7 5.1  
Excise tax from stock repurchases 0.6 0.0 0.0  
Income Tax Paid, by Individual Jurisdiction [Line Items]        
Foreign 65.8 $ 54.5 86.0  
BELGIUM        
Cash flows from operating activities:        
Foreign 7.7      
Income Tax Paid, by Individual Jurisdiction [Line Items]        
Foreign 7.7      
LUXEMBOURG        
Cash flows from operating activities:        
Foreign 8.9      
Income Tax Paid, by Individual Jurisdiction [Line Items]        
Foreign $ 8.9      
SWITZERLAND        
Cash flows from operating activities:        
Foreign     24.9  
Income Tax Paid, by Individual Jurisdiction [Line Items]        
Foreign     $ 24.9