Long-Term Debt Deferred Financing Costs (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Deferred Financing Costs [Roll Forward]
Deferred financing costs, net	$ 53.2	$ 68.5
Increase in Deferred Finance Costs	6.1	2.1
Amortization of Financing Costs and Discounts	(9.1)	(14.4)
Write off of Deferred Debt Issuance Cost	(20.1)	(3.0)
Deferred financing costs, net	$ 30.1	$ 53.2
Weighted Average Remaining Life, Deferred Finance Costs	4 years 11 months 7 days	5 years 1 month 6 days