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Net Income (Loss) Per Share (Tables)

9 Months Ended

Sep. 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						Nine Months Ended
		September 30,						September 30,
(in thousands, except per share data)		2021			2020			2021			2020
Basic Net Income (Loss) Per Share
Basic net income (loss)		$	181,739		$	(15,203)		$	384,730		$	(445,547)
Weighted average common shares outstanding			220,845			218,784			220,243			217,684

Basic net income (loss) per share		$	0.82		$	(0.07)		$	1.75		$	(2.05)

Diluted Net Income (Loss) Per Share
Diluted net income (loss)		$	181,739		$	(15,203)		$	384,730		$	(445,547)
Weighted average common shares outstanding			220,845			218,784			220,243			217,684

Dilutive stock options and awards			1,403			—			1,870			—

Weighted average shares used to compute diluted net income (loss) per share			222,248			218,784			222,113			217,684

Diluted net income (loss) per share		$	0.82		$	(0.07)		$	1.73		$	(2.05)

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				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
Outstanding stock options and awards		11,841,440		15,447,389		9,917,824		15,447,389
Common shares issuable upon conversion of the 1.25% Convertible Senior Notes due 2020		—		231,339		—		231,339
Total potential common shares excluded from diluted net income (loss) per share computation		11,841,440		15,678,728		9,917,824		15,678,728