Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Data

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In millions, except per share amounts)
Fiscal 2017
Net sales	$	405.3	$	459.6	$	484.1	$	528.2
Cost of sales (exclusive of items shown separately on Statement of Operations)	352.7		383.9		417.1		461.7
Income before income taxes	9.2		36.2		18.6		22.9
Net income (loss)	5.9		24.3		12.6		(52.0		)
Basic and Diluted net income (loss) per share	0.08		0.32		0.17		(0.71		)

	First Quarter		Second Quarter		Third Quarter			Fourth Quarter
	(In millions, except per share amounts)
Fiscal 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) before income taxes	8.6		11.5		(25.3		)	34.4
Net income (loss)	5.1		5.9		(11.1		)	18.1
Basic net income (loss) per share	0.08		0.09		(0.17		)	0.26
Diluted net income (loss) per share	0.08		0.09		(0.17		)	0.25