Accumulated Other Comprehensive Loss - Detail of Amount Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Accumulated Other Comprehensive Income Loss [Line Items]
Other (expense) income, net	$ (0.4)	$ 2.2	$ 0.6	$ 7.0
Cost of sales	927.8	761.3	1,793.8	1,544.7
Total pre-tax amount	(154.4)	(144.9)	(314.8)	(292.1)
Tax benefit (expense)	45.8	44.6	100.4	77.3
Net of tax	(108.6)	(100.3)	(214.4)	(214.8)
Total reclassifications for the period	(2.1)	0.5	(5.6)	0.2
Defined benefit pension plans and other post-employment benefits
Accumulated Other Comprehensive Income Loss [Line Items]
Total reclassifications for the period			(2.7)	(2.2)
Reclassification out of Accumulated Other Comprehensive Income | Prior service credit
Accumulated Other Comprehensive Income Loss [Line Items]
Other (expense) income, net	0.1	0.0	0.1	0.1
Reclassification out of Accumulated Other Comprehensive Income | Actuarial losses
Accumulated Other Comprehensive Income Loss [Line Items]
Other (expense) income, net	(1.8)	(1.4)	(3.7)	(3.0)
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	(1.7)	(1.4)	(3.6)	(2.9)
Tax benefit (expense)	0.4	0.3	0.9	0.7
Net of tax	(1.3)	(1.1)	(2.7)	(2.2)
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	(0.7)	2.1	(4.1)	3.2
Tax benefit (expense)	(0.1)	(0.5)	1.2	(0.8)
Net of tax	(0.8)	1.6	(2.9)	2.4
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	(0.8)	2.0	(4.2)	3.1
Reclassification out of Accumulated Other Comprehensive Income | Net (losses) gains on cash flow hedging derivatives | Treasury locks
Accumulated Other Comprehensive Income Loss [Line Items]
Interest expense, net	$ 0.1	$ 0.1	$ 0.1	$ 0.1