Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (Unaudited)

23. Quarterly Financial Data (Unaudited)

The following tables present select quarterly financial data for 2019 and 2018:

Historical	2019									2018
	First			Second		Third		Fourth		First			Second			Third			Fourth
Statements of operations:
Net sales	$	418.0		$	504.7	$	448.0	$	463.4	$	386.1		$	495.3		$	450.1		$	515.3
Cost of sales		337.8			409.5		359.6		383.1		317.7			404.8			370.1			426.1
Gross profit		80.2			95.2		88.4		80.3		68.4			90.5			80.0			89.2
Operating income (loss)		16.2			41.9		32.5		17.8		1.7			24.1			16.9			(62.0	)
Income (loss) from continuing    operations before income taxes		(23.4	)		49.9		21.2		11.3		(6.1	)		8.7			0.8			(75.1	)
Provision (benefit) for income taxes		3.3			3.9		3.1		2.1		3.9			(1.2	)		(10.7	)		3.2
Net income (loss) from continuing    operations		(26.7	)		46.0		18.1		9.2		(10.0	)		9.9			11.5			(78.3	)
Loss from discontinued    operations, net of income taxes		—			—		—		—		—			(0.2	)		—			—
Net income (loss)	$	(26.7	)	$	46.0	$	18.1	$	9.2	$	(10.0	)	$	9.7		$	11.5		$	(78.3	)
Basic (loss) income per share:
Net income (loss) income from    continuing operations	$	(0.75	)	$	1.29	$	0.51	$	0.26	$	(0.28	)	$	0.28		$	0.32		$	(2.20	)
Loss from discontinued    operations		—			—		—		—		—			(0.01	)		—			—
Net income (loss) per share	$	(0.75	)	$	1.29	$	0.51	$	0.26	$	(0.28	)	$	0.27		$	0.32		$	(2.20	)
Diluted (loss) income per share:
Net income (loss) from continuing    operations	$	(0.75	)	$	1.29	$	0.51	$	0.26	$	(0.28	)	$	0.27		$	0.32		$	(2.20	)
Loss from discontinued    operations		—			—		—		—		—			—			—			—
Net income (loss) per share	$	(0.75	)	$	1.29	$	0.51	$	0.26	$	(0.28	)	$	0.27		$	0.32		$	(2.20	)
Dividends per common share	$	—		$	—	$	—	$	—	$	—		$	—		$	—		$	—