Changes in Each Component of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net sales	$ 989.3	$ 958.9	$ 1,949.6	$ 1,897.3
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning of period			(113.6)	(91.1)
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Other comprehensive income (loss)			45.5	7.4
Reclassifications, pretax			6.5	8.9
Income tax effect			(2.2)	(3.2)
Attributable to noncontrolling interest			0.0	1.0
Balance end of period	(63.8)	(77.0)	(63.8)	(77.0)
Other income (expense), net	1.6	2.4	2.8	3.7
Interest expense	10.4	10.3	21.0	19.5
Net sales
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Reclassifications, pretax			1.8	5.9
Cost of goods sold; selling and administrative expenses
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Reclassifications, pretax			2.6	2.6
Other expense, net
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Reclassifications, pretax			0.0
Interest expense
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Reclassifications, pretax			2.1	2.1
Loss from discontinued operations, net of tax
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Reclassifications, pretax				(1.7)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning of period			(38.6)	(4.8)
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Other comprehensive income (loss)			44.1	7.2
Reclassifications, pretax			0.0	(1.7)
Income tax effect			0.0	0.0
Attributable to noncontrolling interest			0.0	1.0
Balance end of period	5.5	1.7	5.5	1.7
Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning of period			(17.8)	(28.2)
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Other comprehensive income (loss)			1.9	0.1
Reclassifications, pretax			4.2	8.2
Income tax effect			(1.5)	(2.3)
Attributable to noncontrolling interest			0.0	0.0
Balance end of period	(13.2)	(22.2)	(13.2)	(22.2)
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning of period			(57.2)	(58.1)
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Other comprehensive income (loss)			(0.5)	0.1
Reclassifications, pretax			2.3	2.4
Income tax effect			(0.7)	(0.9)
Attributable to noncontrolling interest			0.0	0.0
Balance end of period	$ (56.1)	$ (56.5)	(56.1)	(56.5)
Reclassification out of Accumulated Other Comprehensive Income | Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net sales			0.0	0.0
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Other income (expense), net			0.0	(1.7)
Cost of goods sold; selling and administrative expenses			0.0	0.0
Interest expense			0.0	0.0
Reclassification out of Accumulated Other Comprehensive Income | Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net sales			1.8	5.9
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Other income (expense), net			0.0	0.0
Cost of goods sold; selling and administrative expenses			0.3	0.2
Interest expense			2.1	2.1
Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit Pension Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net sales			0.0	0.0
Other Comprehensive Income (Loss), before Tax Period Change [Abstract]
Other income (expense), net			0.0	0.0
Cost of goods sold; selling and administrative expenses			2.3	2.4
Interest expense			$ 0.0	$ 0.0