Accounts Payable and Accrued Expenses (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Accounts Payable and Accrued Liabilities, Current [Line Items]
Trade accounts payable and accrued purchases	$ 201.7	$ 208.1
Accrued rebate - Medicaid	454.6	455.6
Accrued rebate - Managed care	226.2	184.9
Sales return reserve	93.1	90.5
Accrued bonuses	70.5	109.0
Accrued employee compensation and benefits payable	74.4	64.5
R&D accruals	70.9	73.5
Provisions for litigation losses and other claims	73.5	118.2
Other accrued expenses	191.8	197.2
Accounts payable and accrued expenses, total	$ 1,456.7	$ 1,501.5