Computation of Earnings (Loss) Per Share Schedule of Earnings (Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table reconciles the weighted-average shares used in computing basic and diluted earnings (loss) per share in the respective periods (in thousands):

	Three months ended March 31,
	2017	2016
Shares used in basic earnings (loss) per share (weighted-average common shares outstanding)	33,202	32,727
Effect of dilutive stock options and restricted stock units	796	—
Shares used in diluted earnings (loss) per share calculation	33,998	32,727
Potentially dilutive shares excluded from calculation due to anti-dilutive effect	1,972	3,147