The following is a reconciliation of the numerator and denominator of the net income per common share computations:



	Three Months Ended June 30,					Six Months Ended June 30,
(in millions, except per share data)	2018			2017		2018		2017
Numerator for basic net income per common share:
Net income from continuing operations	$	103.2		$	72.7	$	117.3	$	74.9
Net loss from continuing operations allocated to participating securities	—			—		—		(0.1		)
Net (loss) income from discontinued operations	(0.1		)	5.6		167.8		10.7
Numerator for basic net income per common share	$	103.1		$	78.3	$	285.1	$	85.5

Numerator for diluted net income from continuing operations per common share	$	103.2		$	72.7	$	117.3	$	74.9
Numerator for diluted net income per common share:	$	103.1		$	78.3	$	285.1	$	85.6

Denominator for net income per common share:
Basic	13.5			16.1		14.0		16.2
Plus dilutive effect of stock awards	0.1			0.2		0.1		0.2
Plus dilutive effect of participating securities	—			—		—		0.1
Diluted	13.6			16.3		14.1		16.5

Net income (loss) per common share data:
Basic
Continuing operations	$	7.61		$	4.52	$	8.38	$	4.62
Discontinued operations	$	(0.01	)	$	0.34	$	11.98	$	0.65
Net income per common share - basic	$	7.60		$	4.86	$	20.36	$	5.27

Diluted
Continuing operations	$	7.57		$	4.47	$	8.34	$	4.53
Discontinued operations	$	(0.02	)	$	0.34	$	11.92	$	0.65
Net income per common share - diluted	$	7.55		$	4.81	$	20.26	$	5.18