Stockholders' Equity and Loss Per Share Reclassifications Out of Accumulated Other Comprehensive Loss (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net loss	$ (382.8)	$ (216.7)
Foreign Currency Gain (Loss) [Member]
Net loss	4.1
Discontinued Operations [Member]
Net loss	2.2
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Net loss	$ 2.5