Basis of Presentation Reclassifications in Consolidated Statements of Cash Flows (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
cash flow from financing activities [Member]
Prior Period Reclassification Adjustment	$ 44.6
cash flows from operating activities [Member]
Prior Period Reclassification Adjustment	$ (44.6)