Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold	$ (651.3)	$ (630.6)	$ (1,876.7)	$ (1,796.1)
Income tax expense	(35.1)	(34.2)	(86.6)	(77.5)
Discontinued operations	(0.1)	(1.5)	(0.8)	(9.3)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications from AOCI	(1.4)	(2.6)	(5.6)	35.1
Gains/(Losses) on cash flow hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense	0.4	0.8	1.8	1.2
Total reclassifications from AOCI	(0.6)	(1.3)	(3.1)	(2.1)
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold	(1.3)	(2.0)	(4.0)	(6.1)
Income tax expense	0.5	0.7	1.5	2.2
Total reclassifications from AOCI	(0.8)	(1.3)	(2.5)	(3.9)
Foreign currency translation adjustments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Discontinued operations	0	0	0	41.1
Commodity derivative contracts [Member] | Gains/(Losses) on cash flow hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold	$ (1.0)	$ (2.1)	$ (4.9)	$ (3.3)