Employee Benefits - Employee Benefit Plan Status (Detail) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets at Fair Value	$ 1,535.3	$ 1,338.1
Supplemental Plan
Defined Benefit Plan Disclosure [Line Items]
Accumulated Benefit Obligation	86.3	88.9
Projected Benefit Obligation	103.4	103.8	$ 109.2
Plan Assets at Fair Value	0.0	0.0
Funded Status at end of year	$ (103.4)	$ (103.8)
Weighted-Average Assumptions:
Discount Rates	5.22%	5.55%
Rate of Increase in Compensation Level	5.76%	5.56%
U.S. | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated Benefit Obligation	$ 1,055.6	$ 1,005.9
Projected Benefit Obligation	1,196.4	1,139.0	1,151.7
Plan Assets at Fair Value	1,535.3	1,338.1	1,200.8
Funded Status at end of year	$ 338.9	$ 199.1
Weighted-Average Assumptions:
Discount Rates	5.53%	5.70%
Rate of Increase in Compensation Level	5.76%	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	$ 132.2	$ 125.7
Projected Benefit Obligation	137.1	130.7	148.6
Plan Assets at Fair Value	153.2	139.8	$ 148.7
Funded Status at end of year	$ 16.1	$ 9.1
Weighted-Average Assumptions:
Discount Rates	3.68%	3.32%
Rate of Increase in Compensation Level	1.50%	1.50%
Expected Long-Term Rate of Return on Assets	4.02%	3.89%