Net income (loss) per share

3 Months Ended

Mar. 31, 2020

Net income (loss) per share

Net income (loss) per share

15.    Net income (loss) per share

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

	Three Months Ended
	March 31,
(in thousands, except per share data)		2020	2019
Basic Net Income (Loss) Per Share
Basic net income (loss) per share	$	(720,642)	$	102,312
Weighted average common shares outstanding		216,721		214,065
Basic net income (loss) per share	$	(3.33)	$	0.48
Diluted Net Income (Loss) Per Share
Diluted net income (loss)	$	(720,642)	$	102,312
Weighted average common shares outstanding		216,721		214,065
Dilutive stock options and awards		—		2,996
Weighted average shares used to compute diluted net income (loss) per share		216,721		217,061
Diluted net income (loss) per share	$	(3.33)	$	0.47

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

	Three Months Ended
	March 31,
	2020	2019
Outstanding stock options and awards	15,544,348	9,318,013
Common shares issuable upon conversion of the 2020 Notes	368,939	368,939
Total potential common shares excluded from diluted net income (loss) per share computation	15,913,287	9,686,952