Income Taxes (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income Tax Reconciliation, Income Tax Expense (Benefit), at U.S. Statutory Income Tax Rate	$ (9.3)	$ 4.5	$ (25.3)
Income Tax Reconciliation, State and Local Income Taxes	0	(0.1)	0.1
Income Tax Reconciliation, Foreign Income Tax Rate Differential	0.2	0.2	0.4
Income Tax Reconciliation, Valuation Allowance	(2.1)	(88.7)	25.7
Effective Income tax reconciliation, tax attribute expiration	9.1	68.5	0
Intraperiod Allocation	7.1	(4.8)	0
Income Tax Reconciliation, Release of uncertain tax positions	0	(4.5)	0
Income Tax Reconciliation, Tax Refunds	(0.4)	(1.0)	(1.7)
Income Tax Reconciliation, Deemed foreign dividend	0	15.7	0
Effective Income Tax Rate Reconciliation, Deferred Tax Adjustments, Amount	4.0
Effective Income Tax Rate Reconciliation, Transfer Pricing, Amount	2.2
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount	(5.8)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	1.9
Income Tax Reconciliation, Other Adjustments	0.8	0	(0.1)
Income Tax Expense (Benefit)	$ 7.7	$ (10.2)	$ (0.9)