Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold	$ (698.1)	$ (659.1)	$ (1,225.4)	$ (1,165.5)
Income tax expense	(40.8)	(34.7)	(51.5)	(43.3)
Discontinued operations	(0.7)	0	(0.7)	(7.8)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications from AOCI	(2.6)	(2.2)	(4.1)	37.8
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	1.0	0.6	1.4	0.4
Total reclassifications from AOCI	(1.8)	(1.0)	(2.5)	(0.8)
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)	(1.9)	(2.6)	(3.9)
Income tax expense	0.5	0.7	1.0	1.4
Total reclassifications from AOCI	(0.8)	(1.2)	(1.6)	(2.5)
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	$ (2.8)	$ (1.6)	$ (3.9)	$ (1.2)