Discontinued Operations - Schedule of Assets and LIabilities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Discontinued Operations and Disposal Groups [Abstract]
Prepaid expenses and other current assets	$ 0.4	$ 6.1
Other assets	1.4	3.7
Total Assets	1.8	9.8
Accrued liabilities	2.5	4.9
Other long-term liabilities	0.6	0.7
Total Liabilities	3.1	5.6
Net Assets (Liabilities)	$ (1.3)	$ 4.2