Net Income (Loss) Per Share

3 Months Ended

Mar. 31, 2021

Net Income (Loss) Per Share

Net Income (Loss) Per Share

14.    Net income (loss) per share

Net income (loss) per share was calculated as follows for the periods indicated below:

	March 31,
(in thousands, except per share data)		2021	2020
Basic Net Income (Loss) Per Share
Basic net income (loss)	$	53,535	$	(720,642)
Weighted average common shares outstanding		219,801		216,721
Basic net income (loss) per share	$	0.24	$	(3.33)
Diluted Net Income (Loss) Per Share
Diluted net income (loss)	$	53,535	$	(720,642)
Weighted average common shares outstanding		219,801		216,721
Dilutive stock options and awards		2,066		—
Weighted average shares used to compute diluted net income (loss) per share		221,867		216,721
Diluted net income (loss) per share	$	0.24	$	(3.33)

The potential common shares that were excluded from the diluted net income (loss) per share computation are as follows:

	Three Months Ended
	March 31,
	2021	2020
Outstanding stock options and awards	8,871,744	15,544,348
Common shares issuable upon conversion of the 1.25% Convertible Senior Notes due 2020	—	368,939
Total potential common shares excluded from diluted net income (loss) per share computation	8,871,744	15,913,287