Earnings Per Share

3 Months Ended

Mar. 31, 2017

EARNINGS PER SHARE

The following table sets forth the comparison of basic and diluted earnings per share:



	Three Months Ended March 31,
	2017		2016
Basic earnings per share:
Net income	$	80.3	$	74.1
Weighted average common shares outstanding	87,291,369		90,254,512
Basic earnings per share	$	0.92	$	0.82



	Three Months Ended March 31,
	2017		2016
Diluted earnings per share:
Net income	$	80.3	$	74.1
Weighted average common shares outstanding	87,291,369		90,254,512
Share equivalents:
Stock options	987,726		832,747
RSUs and performance-based equity awards	854,117		451,268
Employee share purchase plan	—		20,698
Weighted average common shares and common share equivalents outstanding - diluted	89,133,212		91,559,225
Diluted earnings per share	$	0.90	$	0.81

For the three months ended March 31, 2017 and 2016, a weighted average of nil and 353,679 RSUs, respectively, were considered anti-dilutive and were therefore excluded from the calculation of diluted earnings per share.