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Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Activity in Plan Assets Measured at Fair Value Using Level 3 Inputs (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of period $ 547.6  
Fair value of plan assets at end of period 582.7 $ 547.6
Level 3    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of period 157.0  
Fair value of plan assets at end of period 169.8 157.0
Pension Plan    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of period 547.6 596.1
Foreign exchange gain (loss) 40.6 (24.4)
Fair value of plan assets at end of period 582.7 547.6
Pension Plan | Level 3    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of period 157.0 169.2
Gain (loss) on assets still held at end of year 7.6 (0.7)
Purchases, sales, issuance, and settlements (7.9) (7.8)
Foreign exchange gain (loss) 13.1 (3.7)
Fair value of plan assets at end of period $ 169.8 $ 157.0