Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Schedule of Earnings Per Share, Basic and Diluted

A reconciliation of the numerator and denominator used in the calculation of basic and diluted net income per share is as follows (in millions, except per share amounts):



	Three Months Ended
	March 31, 2020		March 31, 2019
Numerator:
Net income	$	104.0	$	58.8

Denominator:
Basic shares:
Weighted-average common stock outstanding-basic	170.6		170.2
Diluted shares:
Weighted-average common stock outstanding-basic	170.6		170.2
Effect of potentially dilutive securities:
RSUs	2.4		3.3
Stock options	1.2		1.3
Weighted-average shares used to compute diluted net income per share	174.2		174.8
Net income per share:
Basic	$	0.61	$	0.35
Diluted	$	0.60	$	0.34

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following weighted-average shares of common stock were excluded from the computation of diluted net income per share for the periods presented, as their effect would have been antidilutive (in millions):



	Three Months Ended
	March 31, 2020	March 31, 2019
RSUs	0.6	0.7
Stock options	0.3	0.3
Total	0.9	1.0