Accounts Payable and Accrued Expenses (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Accounts Payable and Accrued Liabilities, Current [Line Items]
Trade accounts payable and accrued purchases	$ 236.7	$ 202.6
Accrued rebates - Medicaid	554.7	549.1
Accrued rebates - Managed care	287.8	258.1
Sales return reserve	100.6	98.8
Accrued bonuses	116.8	130.9
Accrued employee compensation and benefits payable	100.2	79.4
R&D accruals	76.3	69.6
Provisions for litigation losses and other claims	8.9	71.7
Other accrued expenses	243.8	228.2
Accounts payable and accrued expenses, total	$ 1,725.8	$ 1,688.4