Stock-Based Compensation Plans Time Based Restricted Shares (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Compensation expense for the year	$ 4.9	$ 5.2	$ 4.1
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Non-vested at January 1,	1,298,000	872,000	229,000
Non-vested at January 1,	$ 3.11	$ 2.89	$ 3.36
Granted	279,000	725,000	711,000
Granted	$ 4.72	$ 3.26	$ 2.85
Vested	(454,000)	(299,000)	(45,000)
Vested	$ 3.03	$ 2.83	$ 4.69
Forfeited	79,000	0	(23,000)
Forfeited	$ 3.40	$ 0.00	$ 3.03
Non-vested at December 31,	1,044,000	1,298,000	872,000
Non-vested at December 31,	$ 3.55	$ 3.11	$ 2.89
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Compensation expense for the year	1.7	1.5	0.8
Tax benefit related to compensation expense	(0.6)	(0.6)	(0.3)
Grant date fair value of awards vested	1.4	0.8	0.2
Unrecognized Compensation	1.7
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year
Performance Based Cash Unit Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Compensation expense for the year	$ (0.2)	$ 4.4	$ 1.8