Shareholders' Equity - Changes in Accumulated Other Comprehensive Income (Loss) Balances (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2023	$ (57.5)
Reclassification to the statement of income	(11.8)
Change in fair value	(56.2)
Balance as of December 31, 2024	(125.5)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2023	(62.6)
Reclassification to the statement of income	0.0
Change in fair value	(61.9)
Balance as of December 31, 2024	(124.5)
Cash Flow Hedging Derivatives
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2023	1.7
Reclassification to the statement of income	(11.2)
Change in fair value	5.7
Balance as of December 31, 2024	(3.8)
Retirement Plan Activity
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2023	3.4
Reclassification to the statement of income	(0.6)
Change in fair value	0.0
Balance as of December 31, 2024	$ 2.8