Reorganization Costs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		14 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014
Reorganization Costs
Reorganization costs	$ 45.8	$ 17.7	$ 95.2	$ 35.2
Reorganization cost incurred to date					159.8
Restructuring Reserve (Roll Forward)
Reorganization Reserve Opening liability			24.8
Amounts charged to re-organization	45.8	17.7	95.2	35.2
Reorganization liability, Paid and Utilized			(113.1)
Reorganization Reserve Closing liability	6.9		6.9		6.9
Reorganization liability, Current	6.9		6.9		6.9
Involuntary termination benefits
Reorganization Costs
Reorganization costs			83.7
Restructuring Reserve (Roll Forward)
Reorganization Reserve Opening liability			15.3
Amounts charged to re-organization			83.7
Reorganization liability, Paid and Utilized			(92.9)
Reorganization Reserve Closing liability	6.1		6.1		6.1
Other reorganization costs
Reorganization Costs
Reorganization costs			11.5
Restructuring Reserve (Roll Forward)
Reorganization Reserve Opening liability			9.5
Amounts charged to re-organization			11.5
Reorganization liability, Paid and Utilized			(20.2)
Reorganization Reserve Closing liability	0.8		0.8		0.8
"One Shire" business re-alignment
Reorganization Costs
Reorganizations costs, expected costs			$ 55.0