v3.26.1
Retirement Benefit Plans - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Foreign Plan [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Interest cost $ 1.5 $ 1.4
Expected return on plan assets (1.7) (1.2)
Amortization of actuarial loss 0.7 0.4
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total 0.5 0.6
UNITED STATES    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Interest cost 0.5 0.6
Expected return on plan assets (0.4) (0.6)
Amortization of actuarial loss 0.4 0.4
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total $ 0.5 $ 0.4