UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Revenues	$ 309.4	$ 137.8
Cost of sales	292.8	133.0
Gross profit	16.6	4.8
Selling, general and administrative expenses	15.4	7.4
Losses (gains) on derivative financial instruments	1.2	(0.2)
Amortization of intangibles	0.6	0.1
Other operating expense, net	1.5	0.3
Operating loss	(2.1)	(2.8)
Nonoperating expense (income):
Interest expense, net	9.2	8.1
Change in fair value of common stock warrant liability	0.6	(0.7)
Acquisition-related costs and expenses		14.4
Foreign exchange gains on intercompany loans	(2.6)
Other, net		0.3
Total nonoperating expense	7.2	22.1
Loss from continuing operations before income taxes	(9.3)	(24.9)
Income tax expense (benefit)	0.7	(7.4)
Loss from continuing operations	(10.0)	(17.5)
Earnings (loss) from discontinued operations, net of income taxes		24.3
Net earnings (loss)	(10.0)	6.8
Earnings (loss) from continuing operations attributable to noncontrolling interest	0.1	0.1
Net earnings (loss) attributable to Real Industry, Inc.	(10.1)	6.7
EARNINGS (LOSS) PER SHARE
Net earnings (loss) attributable to Real Industry, Inc.	(10.1)	6.7
Dividends and accretion on Redeemable Preferred Stock	(0.7)	(0.2)
Net earnings (loss) available to common stockholders	$ (10.8)	$ 6.5
Basic and diluted earnings (loss) per share:
Continuing operations	$ (0.38)	$ (0.82)
Discontinued operations		1.12
Basic and diluted earnings (loss) per share	$ (0.38)	$ 0.30