Operating Results of Segments and Reconciliation to Earnings (Loss) Before Income taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Revenues	$ 338.6		$ 845.1	$ 0.1
Adjusted EBITDA	22.8		53.2
Unrealized losses (gains) on derivative financial instruments	(0.5)		0.8
Depreciation and amortization—excludes Corporate and Other	10.3		24.2
Fair value adjustment to inventory	1.3		8.5
Operating loss of Corporate and Other	3.2		10.5
Other	1.1		2.2
Operating profit (loss)	7.4	$ (3.8)	7.0	$ (9.2)
RANA
Segment Reporting Information [Line Items]
Revenues	205.2		521.7
Adjusted EBITDA	15.4		36.3
RAEU
Segment Reporting Information [Line Items]
Revenues	133.4		323.3
Adjusted EBITDA	7.4		16.9
Segments Total
Segment Reporting Information [Line Items]
Revenues	338.6		845.0
Adjusted EBITDA	$ 22.8		$ 53.2