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Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Net Income (Loss) Per Share

Schedule of calculation of net income (loss) per share

​

​	​	​	​	​	​	​	​	​	​
​	​	Year Ended  December 31,
(in thousands, except per share data)		2019			2018			2017
Basic Net Income (Loss) Per Share	​	​	​	​	​	​	​	​	​
Basic net income (loss)	​	$	446,906	​	$	109,493	​	$	(313,142)
Weighted average common shares outstanding	​	​	214,913	​	​	212,383	​	​	204,580
​	​	​	​	​	​	​	​	​	​
Basic net income (loss) per share	​	$	2.08	​	$	0.52	​	$	(1.53)
​	​	​	​	​	​	​	​	​	​
Diluted Net Income (Loss) Per Share	​	​	​	​	​	​	​	​	​
Diluted net income (loss)	​	$	446,906	​	$	109,493	​	$	(313,142)
Weighted average common shares outstanding	​	​	214,913	​	​	212,383	​	​	204,580
​	​	​	​	​	​	​	​	​	​
Dilutive stock options and awards	​	​	2,744	​	​	3,252	​	​	—
​	​	​	​	​	​	​	​	​	​
Weighted average shares used to compute diluted net income (loss) per share	​	​	217,657	​	​	215,635	​	​	204,580
​	​	​	​	​	​	​	​	​	​
Diluted net income (loss) per share	​	$	2.05	​	$	0.51	​	$	(1.53)

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

The following potential common shares were excluded from the calculation as their effect would be anti-dilutive:

​	​	​	​	​	​	​	​
​		2019		2018		2017
Outstanding stock options and awards		9,349,889		8,255,992		12,585,213
Common shares issuable upon conversion of the 2018 Notes		—		—		149,375
Common shares issuable upon conversion of the 2020 Notes		368,939		368,939		368,939
Total potential common shares excluded from diluted net income (loss) per share computation		9,718,828		8,624,931		13,103,527

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

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-Publisher FASB
-Name Accounting Standards Codification
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