Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Data

	First Quarter			Second Quarter		Third Quarter			Fourth Quarter
	(In millions, except per share amounts)
2016
Net sales	$	356.9		$	408.4	$	463.8		$	532.2
Cost of sales (exclusive of items shown separately on Statement of Operations)	309.7			356.5		405.4			455.8
Income (loss) from continuing operations before income taxes	8.7			11.5		(25.2		)	34.3
Income (loss) from continuing operations	5.2			5.9		(11.0		)	18.0
(Loss) income from discontinued operations, net of income taxes	(0.1		)	—		(0.1		)	0.1
Net income (loss)	5.1			5.9		(11.1		)	18.1
Basic income (loss) per share from continuing operations	0.08			0.09		(0.17		)	0.26
Basic (loss) income per share from discontinued operations, net of income taxes	—			—		—			—
Basic net income (loss) per share	0.08			0.09		(0.17		)	0.26
Diluted income (loss) per share from continuing operations	0.08			0.09		(0.17		)	0.25
Diluted (loss) income per share from discontinued operations, net of income taxes	—			—		—			—
Diluted net income (loss) per share	0.08			0.09		(0.17		)	0.25

	First Quarter			Second Quarter		Third Quarter			Fourth Quarter
	(In millions, except per share amounts)
2015
Net sales	$	323.0		$	457.8	$	441.0		$	486.5
Cost of sales (exclusive of items shown separately on Statement of Operations)	285.4			372.7		373.1			428.3
(Loss) income from continuing operations before income taxes	(9.3		)	37.2		(60.2		)	15.5
(Loss) income from continuing operations	(3.5		)	17.3		(38.5		)	7.6
Income from discontinued operations, net of income taxes	0.2			—		0.6			0.1
Net (loss) income	(3.3		)	17.3		(37.9		)	7.7
Basic (loss) income per share from continuing operations	(0.06		)	0.28		(0.62		)	0.12
Basic income per share from discontinued operations, net of income taxes	—			—		0.01			—
Basic net (loss) income per share	(0.06		)	0.28		(0.61		)	0.12
Diluted (loss) income per share from continuing operations	(0.06		)	0.25		(0.62		)	0.12
Diluted income per share from discontinued operations, net of income taxes	—			—		0.01			—
Diluted net (loss) income per share	(0.06		)	0.25		(0.61		)	0.12