Schedule of Valuation and Qualifying Accounts (Details) - Allowance for Doubtful Accounts [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances and Reserves, Beginning Balance	$ 4.6	$ 2.2	$ 2.4
Bad Debt Expense	0.5	2.1	0.1
Valuation Allowances and Reserves, Deductions	(1.2)	(0.3)	0.3
Valuation Allowances and Reserves, Ending Balance		4.6	$ 2.2
Allowance for Doubtful Accounts Receivable	$ 3.9	$ 4.6