Net (Loss) Income per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net income (loss)	$ (0.8)	$ 85.4
Denominator:
Weighted-average shares used to compute basic net (loss) income per share (in shares)	322.6	322.3
Dilutive effect of employee stock awards (in shares)	0.0	6.8
Weighted-average shares used to compute diluted net (loss) income per share (in shares)	322.6	329.1
Net (loss) income per share:
Basic (in dollars per share)	$ (0.00)	$ 0.26
Diluted (in dollars per share)	$ (0.00)	$ 0.26
Anti-dilutive shares (in shares)	0.1	2.9