Revenue Reserves (Details 1) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2010
Reserves for Discounts and Allowances [Abstract]
Revenue reserves reclassification	$ 17.3	$ 11.7
Summary of total product revenue reserves included in consolidated balance sheets
Reduction of accounts receivable	46.1		151.4
Components of accrued expenses	191.0		264.9
Total reserves	$ 237.1	$ 155.6	$ 416.3	$ 142.0