Restatement - Schedule of Effects of Prior Period Errors on the Consolidated Financial Statements - Consolidated Statements of Operations (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended	12 Months Ended
	Dec. 31, 2015	Mar. 31, 2016	Feb. 28, 2015	Aug. 31, 2015	Nov. 30, 2014	Nov. 30, 2013
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales	$ 96.3	$ 356.9	$ 323.0
Operating costs and expenses:
Cost of sales (exclusive of items shown separately below)	75.4	309.7	285.4
Selling, general and administrative	2.8	11.6	15.6
Depreciation and amortization	5.1	15.1	16.3
Other expense, net:
Loss on debt repurchased	0.0	0.3	0.2
Other	0.2	0.6	1.5
Total operating costs and expenses	83.5	337.3	319.0
Operating income	12.8	19.6	4.0
Non-operating (income) expense:
Interest income	0.0	(0.2)	(0.1)
Interest expense	3.8	11.1	13.4
Total non-operating expense, net	3.8	10.9	13.3
(Loss) income from continuing operations before income taxes	9.0	8.7	(9.3)
Income tax provision (benefit)	2.0	3.5	(5.8)
(Loss) income from continuing operations	7.0	5.2	(3.5)
(Loss) income from discontinued operations, net of income taxes	0.0	(0.1)	0.2
Net income	$ 7.0	$ 5.1	$ (3.3)
Basic and diluted loss per share:
Income (loss) from continuing operations (in USD per share)			$ (0.06)
Income (loss) per share from discontinued operations, net of income taxes (in USD per share)			0.00
Net income (loss) (in USD per share)			$ (0.06)
Weighted average shares of common stock outstanding, basic and diluted (in USD per share)	62.9	63.0	58.9
As Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales			$ 318.6
Operating costs and expenses:
Cost of sales (exclusive of items shown separately below)			282.8
Selling, general and administrative			15.5
Depreciation and amortization			16.0
Other expense, net:
Loss on debt repurchased			0.2
Other			1.5
Total operating costs and expenses			316.0
Operating income			2.6
Non-operating (income) expense:
Interest income			(0.1)
Interest expense			13.4
Total non-operating expense, net			13.3
(Loss) income from continuing operations before income taxes			(10.7)
Income tax provision (benefit)			(6.6)
(Loss) income from continuing operations			(4.1)
(Loss) income from discontinued operations, net of income taxes			0.2
Net income			$ (3.9)
Basic and diluted loss per share:
Income (loss) from continuing operations (in USD per share)			$ (0.07)
Income (loss) per share from discontinued operations, net of income taxes (in USD per share)			0.00
Net income (loss) (in USD per share)			$ (0.07)
Weighted average shares of common stock outstanding, basic and diluted (in USD per share)			58.9
Restatement Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales			$ 4.4
Operating costs and expenses:
Cost of sales (exclusive of items shown separately below)			2.6
Selling, general and administrative			0.1
Depreciation and amortization			0.3
Other expense, net:
Loss on debt repurchased			0.0
Other			0.0
Total operating costs and expenses			3.0
Operating income			1.4
Non-operating (income) expense:
Interest income			0.0
Interest expense			0.0
Total non-operating expense, net			0.0
(Loss) income from continuing operations before income taxes			1.4
Income tax provision (benefit)			0.8
(Loss) income from continuing operations			0.6
(Loss) income from discontinued operations, net of income taxes			0.0
Net income			$ 0.6	$ (0.3)	$ 3.0	$ (5.0)
Basic and diluted loss per share:
Income (loss) from continuing operations (in USD per share)			$ 0.01
Income (loss) per share from discontinued operations, net of income taxes (in USD per share)			0.00
Net income (loss) (in USD per share)			$ 0.01	$ 0.00	$ 0.06	$ 0.06
Weighted average shares of common stock outstanding, basic and diluted (in USD per share)			0.0