Accounts Payable and Accrued Expenses (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Accounts Payable and Accrued Expenses
Trade Accounts Payable and Accrued Purchases	$ 218.2	$ 234.7
Accrued Rebate, Medicaid	399.3	379.6
Accrued Rebate, Managed Care	210.0	170.3
Sales Return Reserve	75.4	69.8
Accrued Bonuses	65.2	91.6
Accrued Employee Compensation and Benefits Payable	66.5	48.1
Research and Development Accruals	57.5	60.7
Marketing Accruals	25.0	26.5
Deferred Revenue	4.9	13.7
Other Accrued Expenses	195.5	144.3
Accounts Payable and Accrued Liabilities, Current, Total	1,317.5	1,239.3
Unusual Risk or Uncertainty [Line Items]
Uncertainty, Range of Possible Loss, Maximum Amount	210.0
Uncertainty, Range of Possible Loss, Minimum Amount	$ 132.0