Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Income tax (benefit) provision	$ (2.0)	$ 0	$ (0.5)	$ 1.5
Deferred income taxes	2.3		2.3		2.1
Federal statutory income tax rate			35.00%
Unrecognized Tax Benefits	4.6		4.6		4.7
UK pension [Member]
Income Tax Disclosure [Abstract]
Deferred income taxes	$ 2.3		$ 2.3