Net Income per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Net income	$ 85.4	$ 55.7
Denominator:
Weighted-average shares used to compute basic net income per share (in shares)	322.3	321.8
Dilutive effect of employee stock awards (in shares)	6.8	9.3
Weighted-average shares used to compute diluted net income per share (in shares)	329.1	331.1
Net income per share:
Basic (in dollars per share)	$ 0.26	$ 0.17
Diluted (in dollars per share)	$ 0.26	$ 0.17
Anti-dilutive shares (in shares)	2.9	2.2