Employee Benefits - Employee Benefit Plan Status (Detail) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets at Fair Value	$ 1,338.1	$ 1,200.8
Supplemental Plan
Defined Benefit Plan Disclosure [Line Items]
Accumulated Benefit Obligation	88.9	94.1
Projected Benefit Obligation	103.8	109.2	$ 113.6
Plan Assets at Fair Value	0.0	0.0
Funded Status at end of year	$ (103.8)	$ (109.2)
Weighted-Average Assumptions:
Discount Rates	5.55%	4.95%
Rate of Increase in Compensation Level	5.56%	5.56%
U.S. | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated Benefit Obligation	$ 1,005.9	$ 1,015.6
Projected Benefit Obligation	1,139.0	1,151.7	1,077.7
Plan Assets at Fair Value	1,338.1	1,200.8	1,176.8
Funded Status at end of year	$ 199.1	$ 49.1
Weighted-Average Assumptions:
Discount Rates	5.70%	5.03%
Rate of Increase in Compensation Level	5.56%	5.56%
Expected Long-Term Rate of Return on Assets	7.25%	7.25%
Non U.S. Plans | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated Benefit Obligation	$ 125.7	$ 143.7
Projected Benefit Obligation	130.7	148.6	129.0
Plan Assets at Fair Value	139.8	148.7	$ 134.5
Funded Status at end of year	$ 9.1	$ 0.1
Weighted-Average Assumptions:
Discount Rates	3.32%	3.12%
Rate of Increase in Compensation Level	1.50%	1.75%
Expected Long-Term Rate of Return on Assets	3.89%	3.90%