Unaudited Quarterly Financial Results (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Unaudited Quarterly Financial Information

	Quarter Ended									Year Ended Dec. 31,
2019	Mar. 31,		June 30,		Sept. 30,			Dec. 31,
Revenues	$	923.7	$	972.3	$	1,002.7		$	1,025.2	$	3,923.9
Gross profit	263.9		285.2		291.4			289.5		1,130.0
Income from continuing operations	34.9		43.1		57.5			39.3		174.8
Loss from discontinued operations, net of income taxes	—		—		(0.1		)	—		(0.1		)
Net income	$	34.9	$	43.1	$	57.4		$	39.3	$	174.7
Per share income from continuing operations and net income:
Basic	$	0.66	$	0.82	$	1.09		$	0.75	$	3.31
Diluted earnings per common share:
Diluted	$	0.66	$	0.81	$	1.08		$	0.74	$	3.28

	Quarter Ended											Year Ended Dec. 31,
2018	Mar. 31,			June 30,(1)			Sept. 30,		Dec. 31,
Revenues	$	685.2		$	878.5		$	906.4	$	929.7		$	3,399.8
Gross profit	217.7			263.9			270.1		272.0			1,023.7
Income from continuing operations	29.2			33.7			49.1		46.0			158.0
Income (loss) from discontinued operations, net of income taxes	(0.1		)	(0.1		)	—		(0.1		)	(0.3		)
Net income	$	29.1		$	33.6		$	49.1	$	45.9		$	157.7
Per share income from continuing operations and net income:
Basic	$	0.56		$	0.64		$	0.94	$	0.88		$	3.02
Diluted earnings per common share:
Diluted	$	0.55		$	0.63		$	0.93	$	0.86		$	2.98

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(1)

ECS was acquired on April 2, 2018, see Note 4 – Acquisitions.