Net Income (Loss) Per Share of Common Stock (Tables)

9 Months Ended

Sep. 30, 2021

Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share of Common Stock

The following tables set forth the computation of basic and diluted net income (loss) per share of common stock (in millions, except per share data):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021			2020			2021			2020
BASIC AND DILUTED:
Net income (loss) attributable to common stockholders	$	(41.7	)	$	(122.2	)	$	(36.9	)	$	(376.4	)
Weighted-average common shares outstanding		1,097.1			1,076.7			1,090.4			995.6
Net income (loss) per share attributable to common stockholders	$	(0.04	)	$	(0.11	)	$	(0.03	)	$	(0.38	)

Shares Excluded from Calculation of Diluted Net Income (Loss) per Share

The following weighted-average employee equity awards and convertible debt instruments were excluded from the calculation of diluted net income (loss) per share because their effect would have been anti-dilutive for the periods presented (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Stock options and employee stock purchase plan		29.1		30.9		28.9		30.9
RSUs (including performance and market- based awards)		67.3		69.8		68.0		53.0
Convertible senior notes		7.1		8.9		14.2		—
Total		103.5		109.6		111.1		83.9