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Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2021

Net Income (Loss) Per Share

Schedule of calculation of net income (loss) per share

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


		Three Months Ended						Six Months Ended
		June 30,						June 30,
(in thousands, except per share data)		2021			2020			2021			2020
Basic Net Income (Loss) Per Share
Basic net income (loss)		$	149,456		$	290,298		$	202,991		$	(430,344)
Weighted average common shares outstanding			220,083			217,549			219,942			217,135

Basic net income (loss) per share		$	0.68		$	1.33		$	0.92		$	(1.98)

Diluted Net Income (Loss) Per Share
Diluted net income (loss)		$	149,456		$	290,298		$	202,991		$	(430,344)
Weighted average common shares outstanding			220,083			217,549			219,942			217,135

Dilutive stock options and awards			2,167			2,885			2,119			—

Weighted average shares used to compute diluted net income (loss) per share			222,250			220,434			222,061			217,135

Diluted net income (loss) per share		$	0.67		$	1.32		$	0.91		$	(1.98)

Schedule of antidilutive securities excluded from the computation of earnings per share

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


		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
Outstanding stock options and awards		9,238,385		4,970,884		8,982,288		14,598,523
Common shares issuable upon conversion of the 1.25% Convertible Senior Notes due 2020		—		365,752		—		365,752
Total potential common shares excluded from diluted net income (loss) per share computation		9,238,385		5,336,636		8,982,288		14,964,275