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Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Schedule of Net Income (Loss) Per Share

Net income (loss) per share was calculated as follows:

	Three Months Ended June 30,								Six Months Ended June 30,
(in thousands, except per share data)	2019				2018				2019				2018
Net income (loss) - basic and diluted	$	51,338			$	(5,913	)		$	(50,777	)		$	(47,731	)
Weighted-average common shares outstanding:
Basic		91,389				90,100				91,226				89,814
Effect of dilutive securities:
Employee stock purchase program		41				—				—				—
Stock options		2,551				—				—				—
Restricted stock		285				—				—				—
2024 Notes		513				—				—				—
Diluted		94,779				90,100				91,226				89,814
Net income (loss) per share:
Basic	$	0.56			$	(0.07	)		$	(0.56	)		$	(0.53	)
Diluted	$	0.54			$	(0.07	)		$	(0.56	)		$	(0.53	)

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 consisted of the following:

	Three Months Ended June 30,								Six Months Ended June 30,
(in thousands)	2019				2018				2019				2018
Stock options, restricted stock and convertible senior notes		2,349				8,422				8,533				8,289

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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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