Derivatives and Financial Instruments - Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Mar. 31, 2026	Dec. 02, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contract liabilities	$ (69.0)	$ (51.0)
Contingent earn-out liabilities			$ (8.0)
Impairment of intangible assets	30.9
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contract liabilities	(0.2)
Foreign currency contract assets		5.6
Foreign currency contract liabilities	(68.8)	(51.0)
Deferred compensation plan	32.3	31.8
Contingent earn-out liabilities	(8.0)	(8.0)
Total recurring fair value measurements	(44.7)	(21.6)
Level 1 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contract liabilities	0.0
Foreign currency contract assets		0.0
Foreign currency contract liabilities	0.0	0.0
Deferred compensation plan	32.3	31.8
Contingent earn-out liabilities	0.0	0.0
Total recurring fair value measurements	32.3	31.8
Level 2 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contract liabilities	(0.2)
Foreign currency contract assets		5.6
Foreign currency contract liabilities	(68.8)	(51.0)
Deferred compensation plan	0.0	0.0
Contingent earn-out liabilities	0.0	0.0
Total recurring fair value measurements	(69.0)	(45.4)
Level 3 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contract liabilities	0.0
Foreign currency contract assets		0.0
Foreign currency contract liabilities	0.0	0.0
Deferred compensation plan	0.0	0.0
Contingent earn-out liabilities	(8.0)	(8.0)
Total recurring fair value measurements	$ (8.0)	$ (8.0)