Schedule - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for Doubtful Accounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 60.1	$ 58.6	$ 46.3
Additions Charged (Credited) to Expense	22.5	12.4	19.1
Deductions / Other Additions to Reserve	(7.6)	(9.0)	(8.3)
Effects of Foreign Currency	3.4	(1.9)	1.5
Balance at End of Period	78.4	60.1	58.6
Deferred Tax Asset Valuation Allowances [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	460.1	527.3	529.6
Additions Charged (Credited) to Expense	3.0	(2.6)	(2.0)
Deductions / Other Additions to Reserve	2.0	(61.5)	(3.1)
Effects of Foreign Currency	(1.9)	(3.1)	2.8
Balance at End of Period	$ 463.2	$ 460.1	$ 527.3