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NET INCOME (LOSS) PER SHARE (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Schedule of Net Income (Loss) Per Share

Net income (loss) per share was calculated as follows (in thousands, except per share data):

		Three Months Ended September 30,								Nine Months Ended September 30,
		2018				2017				2018				2017
Net income (loss) - basic and diluted		$	50,764			$	(11,125	)		$	3,033			$	(149,436	)
Weighted-average common shares outstanding:
Basic			90,555				88,325				90,064				87,894
Effect of dilutive securities:
Employee stock purchase program			7				—				2				—
Stock options			3,352				—				3,322				—
Restricted stock			629				—				558				—
2024 Notes			2,255				—				1,326				—
Diluted			96,798				88,325				95,272				87,894
Net income (loss) per share:
Basic		$	0.56			$	(0.13	)		$	0.03			$	(1.70	)
Diluted		$	0.52			$	(0.13	)		$	0.03			$	(1.70	)

Schedule of Anti-Dilutive Shares Excluded from Diluted Per Share Amounts

Shares which have been excluded from diluted per share amounts because their effect would have been anti-dilutive include the following (in thousands):

		Three Months Ended September 30,								Nine Months Ended September 30,
		2018				2017				2018				2017
Stock options and restricted stock			882				7,862				823				7,898

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- References

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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://fasb.org/us-gaap/role/ref/legacyRef
-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://fasb.org/us-gaap/role/ref/legacyRef
-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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