Accounts Payable and Accrued Expenses (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accounts Payable and Accrued Liabilities, Current [Line Items]
Trade accounts payable and accrued purchases	$ 202.6	$ 208.1
Accrued rebates - Medicaid	549.1	455.6
Accrued rebates - Managed care	258.1	184.9
Sales return reserve	98.8	90.5
Accrued bonuses	130.9	109.0
Accrued employee compensation and benefits payable	79.4	64.5
R&D accruals	69.6	73.5
Provisions for litigation losses and other claims	71.7	118.2
Other accrued expenses	228.2	197.2
Accounts payable and accrued expenses, total	$ 1,688.4	$ 1,501.5