Accrued Liabilities Accrued Liabilities (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Accrued Liabilities [Abstract]
Employee-related Liabilities	$ 838.7	$ 1,597.2
Accrued Professional Fees	260.1	606.6
Other Accrued Liabilities	584.3	81.0
Accrued Liabilities	$ 1,683.1	$ 2,284.8