Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Derivatives - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Aug. 31, 2019
Derivative [Line Items]
Interest rate				3.85%
Cash flow hedge gain (loss) to be reclassified within twelve months		$ 8.0
Other Expense, Net
Derivative [Line Items]
Derivative instruments not designated as hedging instruments, expense (income), net	$ (11.0)	$ (1.8)	$ (41.5)
4.70% senior notes due 2020
Derivative [Line Items]
Debt instrument, face amount	$ 277.0
Interest rate	4.70%	4.70%
4.00% senior notes due 2024
Derivative [Line Items]
Debt instrument, face amount	$ 100.0
Interest rate	4.00%	4.00%		4.00%
Interest rate swaps
Derivative [Line Items]
Derivative, notional amount	$ 377.0
Floating rate swap
Derivative [Line Items]
Notional amount of terminated floating rate swaps	150.0
Consideration received for terminated floating rate swaps	5.6
Gain on termination of floating rate swaps	5.7
Foreign currency contracts
Derivative [Line Items]
Derivative, notional amount	516.0
Foreign currency contracts \| Derivatives Not Designated as Effective Hedges
Derivative [Line Items]
Derivative, notional amount	667.0
Commodity contracts \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	$ 0.1