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Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2018

Net Income (Loss) Per Share

Schedule of calculation of net income (loss) per share

		Year Ended  December 31,
(in thousands, except per share data)		2018			2017			2016
Basic Net Income (Loss) Per Share
Basic net income (loss)		$	109,493		$	(313,142)		$	104,222
Weighted average common shares outstanding			212,383			204,580			187,873
Basic net income (loss) per share		$	0.52		$	(1.53)		$	0.55
						0			0
Diluted Net Income (Loss) Per Share
Diluted net income (loss)		$	109,493		$	(313,142)		$	104,222
Weighted average common shares outstanding			212,383			204,580			187,873
Dilutive stock options and RSUs			3,252			—			6,252
Weighted average shares used to compute diluted net income (loss) per share			215,635			204,580			194,125
Diluted net income (loss) per share		$	0.51		$	(1.53)		$	0.54

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:

		2018		2017		2016
Outstanding stock options and awards		8,255,992		12,585,213		2,792,424
Common shares issuable upon conversion of the 2018 Notes		—		149,375		7,245,149
Common shares issuable upon conversion of the 2020 Notes		368,939		368,939		7,241,284
Total potential common shares excluded from diluted net income (loss) per share computation		8,624,931		13,103,527		17,278,857

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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