Schedule - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for Doubtful Accounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 75.8	$ 65.0	$ 65.7
Additions Charged (Credited) to Expense	15.1	21.8	5.5
Deductions / Other Additions to Reserve	(14.2)	(12.7)	(5.3)
Effects of Foreign Currency	(2.1)	1.7	(0.9)
Balance at End of Period	74.6	75.8	65.0
Deferred Tax Asset Valuation Allowances [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	542.1	546.1	390.9
Additions Charged (Credited) to Expense	(4.4)	(3.8)	(6.6)
Deductions / Other Additions to Reserve	(64.0)	(3.2)	165.7
Effects of Foreign Currency	(3.6)	3.0	(3.9)
Balance at End of Period	$ 470.1	$ 542.1	$ 546.1