Long-Term Debt Debt Balances and Interest Rates (Details) (USD $) In Millions, unless otherwise specified	Mar. 05, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Revolving Credit Facility [Member]		Dec. 31, 2012 Revolving Credit Facility [Member]	Dec. 31, 2013 Term Loan [Member]		Jul. 31, 2013 Term Loan [Member]	Apr. 29, 2013 Term Loan [Member]	Dec. 31, 2012 Term Loan [Member]	Dec. 31, 2013 Senior secured notes due 2018 [Member]		Dec. 31, 2012 Senior secured notes due 2018 [Member]	Dec. 31, 2013 Senior notes due 2019 [Member]		Dec. 31, 2012 Senior notes due 2019 [Member]	Feb. 17, 2012 Senior notes due 2019 [Member]	Feb. 21, 2014 Subordinated Debt [Member]	Dec. 31, 2013 Subordinated Debt [Member]		Dec. 31, 2012 Subordinated Debt [Member]	Dec. 31, 2013 Senior notes due 2015 [Member]	Dec. 31, 2012 Senior notes due 2015 [Member]
Debt Instrument [Line Items]
Restricted payments as percent of net income		50.00%
Restricted payments as percent of net loss		100.00%
Net Income free of restrictions under credit agreements	$ 89.0	$ 148.0
Long-term Debt, Weighted Average Interest Rate				0.00%	[1]		3.30%	[1]				8.00%	[1]		8.50%	[1]				12.535%	[1]
Debt, long-term and short-term		3,251.4		0		0	1,528.9				1,339.5	325.0		500.0	1,305.0		1,305.0		42.5	92.5		621.5	0	129.0
Debt Instrument, Unamortized Discount							(4.4)		1.4	3.4	0
Premium, Unamortized															4.2		5.0	5.7
Debt, total long-term and short-term		3,251.2	3,771.0
Current maturities of long-term debt		(45.4)	(40.0)
Debt		$ 3,205.8	$ 3,731.0

[1] Interest rate at December 31, 2013.