Long-term Debt and Other Financing Long-term debt table (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Unamortized debt (discount) premium, net	$ (32.9)	$ (33.1)
Total debt	2,406.6	1,507.0
Current portion of long-term debt	0.2	0.8
Total long-term debt	2,406.4	1,506.2
Senior Secured Notes Due December 2018 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	380.0	380.0
Debt Instrument, Interest Rate, Stated Percentage	8.75%	8.75%
Exchangeable Senior Notes Due November 2019 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	150.0	150.0
Debt Instrument, Interest Rate, Stated Percentage	5.00%	5.00%
Debt Instrument, Interest Rate, Effective Percentage	10.80%	10.80%
Debt Instrument, Convertible, Terms of Conversion Feature	Among other things, the indenture governing the Exchangeable Notes provides noteholders with an exchange right at the option of the noteholders, in the event that the closing price of the Company’s common stock is greater than or equal to $7.02 per share (130% of the exchange price of the Exchangeable Notes) for at least 20 trading days during the last 30 consecutive trading days of a calendar quarter.
Senior Notes Due May 2020 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	529.8	529.8
Debt Instrument, Interest Rate, Stated Percentage	7.625%	7.625%
Senior Notes Due October 2021 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	430.0	0
Debt Instrument, Interest Rate, Stated Percentage	7.625%
Senior Notes Due April 2022 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	290.2	290.2
Debt Instrument, Interest Rate, Stated Percentage	8.375%	8.375%
Industrial Revenue Bonds [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	99.5	100.1
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit Facility	$ 560.0	$ 90.0