Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax [Abstract]
Net sales	$ 834.8	$ 809.7
Cost of goods sold	574.9	557.9
Income before income taxes	91.6	94.7
Tax (expense) benefit	(29.6)	(31.3)
(Loss) gain net of tax	(1.2)	(1.2)
Cash flow hedge (loss) gain
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax [Abstract]
(Loss) gain net of tax	0.8
Prior-service costs
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax [Abstract]
Reclassification from accumulated other comprehensive income, before tax	0.2	0.2
Actuarial gains/(losses)
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax [Abstract]
Reclassification from accumulated other comprehensive income, before tax	(3.5)	(2.9)
Pension and post retirement benefit plan adjustment
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax [Abstract]
Reclassification from accumulated other comprehensive income, before tax	(3.3)	(2.7)
Reclassification from AOCI, current period, tax	1.3	1.0
(Loss) gain net of tax	(2.0)	(1.7)
Forward Contracts | Cash flow hedge (loss) gain | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax [Abstract]
Net sales	0.1	0.0
Cost of goods sold	1.0	0.7
Income before income taxes	1.1	0.7
Tax (expense) benefit	(0.3)	(0.2)
Gain (loss) net of tax	$ 0.8	$ 0.5