Reorganization Costs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		17 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014
Reorganization Costs
Reorganization costs	$ 28.2	$ 12.0	$ 123.4	$ 47.2
Reorganization cost incurred to date					188.0
Restructuring Reserve (Roll Forward)
Reorganization Reserve Opening liability			24.8
Amounts charged to re-organization	28.2	12.0	123.4	47.2
Reorganization liability, Paid and Utilized			(144.8)
Reorganization Reserve Closing liability	3.4		3.4		3.4
Reorganization liability, Current	3.4		3.4		3.4
Involuntary termination benefits
Reorganization Costs
Reorganization costs			104.1
Restructuring Reserve (Roll Forward)
Reorganization Reserve Opening liability			15.3
Amounts charged to re-organization			104.1
Reorganization liability, Paid and Utilized			(116.5)
Reorganization Reserve Closing liability	2.9		2.9		2.9
Other reorganization costs
Reorganization Costs
Reorganization costs			19.3
Restructuring Reserve (Roll Forward)
Reorganization Reserve Opening liability			9.5
Amounts charged to re-organization			19.3
Reorganization liability, Paid and Utilized			(28.3)
Reorganization Reserve Closing liability	0.5		0.5		0.5
"One Shire" business re-alignment
Reorganization Costs
Reorganizations costs, expected costs			$ 27.0