Condensed Consolidating Financial Information - Schedule of Unaudited Condensed Consolidating Statements of Operations and Comprehensive (Loss) Income (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Dec. 31, 2015	Mar. 31, 2016	Feb. 28, 2015
Condensed Income Statements, Captions [Line Items]
Net sales	$ 96.3	$ 356.9	$ 323.0
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
Interest expense	3.8	11.1	13.4
Other, net	0.2	0.7	1.6
(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
(Loss) income before equity income of subsidiaries	7.0	5.1	(3.3)
Equity income of subsidiaries	0.0	0.0	0.0
Net income	7.0	5.1	(3.3)
Comprehensive income	1.7	14.2	8.8
As Reported [Member]
Condensed Income Statements, Captions [Line Items]
Net sales			318.6
Cost of sales (exclusive of items shown separately below)			282.8
Selling, general and administrative			15.5
Depreciation and amortization			16.0
Interest expense			13.4
Other, net			1.6
(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
(Loss) income before equity income of subsidiaries			(3.9)
Equity income of subsidiaries			0.0
Net income			(3.9)
Comprehensive income			8.3
Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	0.0	0.0	0.0
Cost of sales (exclusive of items shown separately below)	(0.1)	(0.2)	(0.1)
Selling, general and administrative	0.0	0.0	0.0
Depreciation and amortization	0.0	0.0	0.0
Interest expense	0.0	0.0	0.0
Other, net	0.1	0.2	0.1
(Loss) income from continuing operations before income taxes	0.0	0.0	0.0
Income tax provision (benefit)	0.0	0.0	0.0
(Loss) income from continuing operations	0.0	0.0	0.0
(Loss) income from discontinued operations, net of income taxes	0.0	0.0	0.0
(Loss) income before equity income of subsidiaries	0.0	0.0	0.0
Equity income of subsidiaries	(11.5)	(16.2)	(11.6)
Net income	(11.5)	(16.2)	(11.6)
Comprehensive income	(7.4)	(22.9)	(20.6)
Eliminations [Member] | As Reported [Member]
Condensed Income Statements, Captions [Line Items]
Net sales			0.0
Cost of sales (exclusive of items shown separately below)			(0.1)
Selling, general and administrative			0.0
Depreciation and amortization			0.0
Interest expense			0.0
Other, net			0.1
(Loss) income from continuing operations before income taxes			0.0
Income tax provision (benefit)			0.0
(Loss) income from continuing operations			0.0
(Loss) income from discontinued operations, net of income taxes			0.0
(Loss) income before equity income of subsidiaries			0.0
Equity income of subsidiaries			(10.8)
Net income			(10.8)
Comprehensive income			(19.9)
Parent [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	0.0	0.0	0.0
Cost of sales (exclusive of items shown separately below)	0.0	0.0	0.0
Selling, general and administrative	0.7	5.0	9.3
Depreciation and amortization	0.0	0.0	0.0
Interest expense	3.7	10.7	12.9
Other, net	2.3	1.6	2.0
(Loss) income from continuing operations before income taxes	(6.7)	(17.3)	(24.2)
Income tax provision (benefit)	(2.2)	(6.3)	(9.1)
(Loss) income from continuing operations	(4.5)	(11.0)	(15.1)
(Loss) income from discontinued operations, net of income taxes	0.0	(0.1)	0.2
(Loss) income before equity income of subsidiaries	(4.5)	(11.1)	(14.9)
Equity income of subsidiaries	11.5	16.2	11.6
Net income	7.0	5.1	(3.3)
Comprehensive income	1.7	14.2	8.8
Parent [Member] | As Reported [Member]
Condensed Income Statements, Captions [Line Items]
Net sales			0.0
Cost of sales (exclusive of items shown separately below)			0.0
Selling, general and administrative			9.2
Depreciation and amortization			0.0
Interest expense			12.9
Other, net			2.0
(Loss) income from continuing operations before income taxes			(24.1)
Income tax provision (benefit)			(9.2)
(Loss) income from continuing operations			(14.9)
(Loss) income from discontinued operations, net of income taxes			0.2
(Loss) income before equity income of subsidiaries			(14.7)
Equity income of subsidiaries			10.8
Net income			(3.9)
Comprehensive income			8.3
Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	94.3	348.5	317.7
Cost of sales (exclusive of items shown separately below)	73.7	302.6	281.7
Selling, general and administrative	1.9	6.1	5.8
Depreciation and amortization	5.0	14.9	16.0
Interest expense	0.1	0.4	0.5
Other, net	(2.2)	(0.6)	0.2
(Loss) income from continuing operations before income taxes	15.8	25.1	13.5
Income tax provision (benefit)	4.2	9.3	3.1
(Loss) income from continuing operations	11.6	15.8	10.4
(Loss) income from discontinued operations, net of income taxes	0.0	0.0	0.0
(Loss) income before equity income of subsidiaries	11.6	15.8	10.4
Equity income of subsidiaries	0.0	0.0	0.0
Net income	11.6	15.8	10.4
Comprehensive income	7.5	22.5	19.4
Guarantor Subsidiaries [Member] | As Reported [Member]
Condensed Income Statements, Captions [Line Items]
Net sales			313.3
Cost of sales (exclusive of items shown separately below)			279.1
Selling, general and administrative			5.8
Depreciation and amortization			15.7
Interest expense			0.5
Other, net			0.2
(Loss) income from continuing operations before income taxes			12.0
Income tax provision (benefit)			2.4
(Loss) income from continuing operations			9.6
(Loss) income from discontinued operations, net of income taxes			0.0
(Loss) income before equity income of subsidiaries			9.6
Equity income of subsidiaries			0.0
Net income			9.6
Comprehensive income			18.7
Non-guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net sales	2.0	8.4	5.3
Cost of sales (exclusive of items shown separately below)	1.8	7.3	3.8
Selling, general and administrative	0.2	0.5	0.5
Depreciation and amortization	0.1	0.2	0.3
Interest expense	0.0	0.0	0.0
Other, net	0.0	(0.5)	(0.7)
(Loss) income from continuing operations before income taxes	(0.1)	0.9	1.4
Income tax provision (benefit)	0.0	0.5	0.2
(Loss) income from continuing operations	(0.1)	0.4	1.2
(Loss) income from discontinued operations, net of income taxes	0.0	0.0	0.0
(Loss) income before equity income of subsidiaries	(0.1)	0.4	1.2
Equity income of subsidiaries	0.0	0.0	0.0
Net income	(0.1)	0.4	1.2
Comprehensive income	$ (0.1)	$ 0.4	1.2
Non-guarantor Subsidiaries [Member] | As Reported [Member]
Condensed Income Statements, Captions [Line Items]
Net sales			5.3
Cost of sales (exclusive of items shown separately below)			3.8
Selling, general and administrative			0.5
Depreciation and amortization			0.3
Interest expense			0.0
Other, net			(0.7)
(Loss) income from continuing operations before income taxes			1.4
Income tax provision (benefit)			0.2
(Loss) income from continuing operations			1.2
(Loss) income from discontinued operations, net of income taxes			0.0
(Loss) income before equity income of subsidiaries			1.2
Equity income of subsidiaries			0.0
Net income			1.2
Comprehensive income			$ 1.2