Earnings Per Common Share

6 Months Ended

Jun. 30, 2018

Earnings Per Common Share

Earnings Per Common Share

15. Earnings Per Common Share

The computations of the basic and diluted per share amounts were as follows:

	For the three months ended				For the six months ended
	June 30,				June 30,
	2018		2017		2018		2017
	(in millions, except per share data)
Net income	$	459.5	$	314.8	$	862.0	$	668.4
Subtract:
Net income attributable to noncontrolling interest	2.9		5.3		8.3		10.0
Total	$	456.6	$	309.5	$	853.7	$	658.4
Weighted-average shares outstanding:
Basic	286.4		288.9		287.9		288.6
Dilutive effects:
Stock options	1.0		1.8		1.2		1.8
Restricted stock units	1.6		1.8		1.8		1.9
Performance share awards	0.2		0.2		0.2		0.2
Diluted	289.2		292.7		291.1		292.5
Net income per common share:
Basic	$	1.59	$	1.07	$	2.97	$	2.28
Diluted	$	1.58	$	1.06	$	2.93	$	2.25

The calculation of diluted earnings per share for the three and six months ended June 30, 2018 and 2017, excludes the incremental effect related to certain outstanding stock-based compensation grants due to their anti-dilutive effect.