Shareholders' Equity - Reclassifications Out of AOCI (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate derivative contracts, Income tax (expense) benefit	$ 1.9	$ 0.0	$ 3.7	$ 7.3
Total reclassifications, Net of tax	(5.4)	(0.2)	(10.5)	(19.2)
Total reclassifications, Net of tax	(5.1)	(0.2)	(9.4)	(19.2)
Cost of Sales [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Forward-currency contracts, Total before tax	(1.4)	3.3	1.1	9.6
Gains (Losses) on Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate derivative contracts, Interest expense, net	(7.3)	(0.2)	(14.2)	(26.5)
Interest rate derivative contracts, Income tax (expense) benefit	1.9		3.7	7.3
Total reclassifications, Net of tax	(5.4)	(0.2)	(10.5)	(19.2)
Gains (Losses) on Cash Flow Hedges [Member] | Interest Expense, Net [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate derivative contracts, Interest expense, net	(5.9)	(3.5)	(15.3)	(8.5)
Gains (Losses) on Cash Flow Hedges [Member] | Other Operating Expenses (Income), Net [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate derivative contracts, Interest expense, net				(27.6)
Defined Benefit Pension [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior service credits (costs), SG&A	0.7	0.8	2.2	2.2
Amortization of actuarial gains (losses), SG&A	(0.1)	(0.7)	(0.3)	(2.1)
Defined benefit pension plan expense before tax	0.6	0.1	1.9	0.1
Defined benefit, Income tax (expense) benefit	(0.3)	$ (0.1)	(0.8)	$ (0.1)
Total reclassifications, Net of tax	$ 0.3		$ 1.1