Accumulated Other Comprehensive Loss - Detail of Amount Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accumulated Other Comprehensive Income Loss [Line Items]
Other income, net	$ 1.0	$ 4.8
Cost of sales	866.0	783.4
Total pre-tax amount	(160.4)	(147.2)
Tax benefit (expense)	54.6	32.7
Net of tax	(105.8)	(114.5)
Total reclassifications for the period	(3.4)	(0.3)
Defined benefit pension plans and other post-employment benefits
Accumulated Other Comprehensive Income Loss [Line Items]
Total reclassifications for the period	(1.4)	(1.1)
Reclassification out of Accumulated Other Comprehensive Income | Prior service credit
Accumulated Other Comprehensive Income Loss [Line Items]
Other income, net	0.0	0.1
Reclassification out of Accumulated Other Comprehensive Income | Actuarial losses
Accumulated Other Comprehensive Income Loss [Line Items]
Other income, net	(1.9)	(1.6)
Reclassification out of Accumulated Other Comprehensive Income | Defined benefit pension plans and other post-employment benefits
Accumulated Other Comprehensive Income Loss [Line Items]
Total pre-tax amount	(1.9)	(1.5)
Tax benefit (expense)	0.5	0.4
Net of tax	(1.4)	(1.1)
Reclassification out of Accumulated Other Comprehensive Income | Net (losses) gains on cash flow hedging derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Total pre-tax amount	(3.4)	1.1
Tax benefit (expense)	1.4	(0.3)
Net of tax	(2.0)	0.8
Reclassification out of Accumulated Other Comprehensive Income | Net (losses) gains on cash flow hedging derivatives | Foreign currency forward and option contracts
Accumulated Other Comprehensive Income Loss [Line Items]
Cost of sales	$ (3.4)	$ 1.1