UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Revenues	$ 338.6		$ 845.1	$ 0.1
Cost of sales	313.2		793.5	0.4
Gross profit (loss)	25.4		51.6	(0.3)
Selling, general and administrative expenses	16.5	$ 3.8	39.8	8.8
Losses on derivative financial instruments	1.0		3.0
Amortization of intangibles	0.2		0.6	0.1
Other operating expense, net	0.3		1.2
Operating profit (loss)	7.4	(3.8)	7.0	(9.2)
Nonoperating expense (income):
Interest expense, net	9.2		26.6
Change in fair value of common stock warrant liability	(3.4)	(2.4)	2.2	(3.4)
Acquisition-related costs and expenses			14.8
Other, net	(0.9)		(0.4)	0.3
Total nonoperating expense (income)	4.9	(2.4)	43.2	(3.1)
Earnings (loss) from continuing operations before income taxes	2.5	(1.4)	(36.2)	(6.1)
Income tax expense (benefit)	0.5	(0.7)	(6.7)	(1.9)
Earnings (loss) from continuing operations	2.0	(0.7)	(29.5)	(4.2)
Earnings (loss) from discontinued operations, net of income taxes	(0.7)	1.5	26.5	4.6
Net earnings (loss)	1.3	0.8	(3.0)	0.4
Earnings from continuing operations attributable to noncontrolling interest	0.1		0.3
Net earnings (loss) attributable to Real Industry, Inc.	$ 1.2	$ 0.8	$ (3.3)	$ 0.4
Basic earnings (loss) per share:
Continuing operations	$ 0.04	$ (0.05)	$ (1.21)	$ (0.32)
Discontinued operations	(0.02)	0.11	1.02	0.35
Basic earnings (loss) per share	0.02	0.06	(0.19)	0.03
Diluted earnings (loss) per share:
Continuing operations	0.04	(0.05)	(1.21)	(0.32)
Discontinued operations	(0.02)	0.11	1.02	0.35
Diluted earnings (loss) per share	$ 0.02	$ 0.06	$ (0.19)	$ 0.03