Accounts Payable and Accrued Expenses (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Accounts Payable and Accrued Liabilities, Current [Line Items]
Trade accounts payable and accrued purchases	$ 187.8	$ 208.1
Accrued rebate - Medicaid	511.7	455.6
Accrued rebate - Managed care	235.4	184.9
Sales return reserve	95.3	90.5
Accrued bonuses	101.6	109.0
Accrued employee compensation and benefits payable	89.1	64.5
R&D accruals	79.4	73.5
Provisions for litigation losses and other claims	78.3	118.2
Other accrued expenses	203.0	197.2
Accounts payable and accrued expenses, total	$ 1,581.6	$ 1,501.5