Earnings (Loss) Per Share (Notes)

12 Months Ended

Dec. 31, 2017

Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]

Earnings Per Share [Text Block]

Potentially dilutive shares excluded from the calculation above represent stock options when the combined exercise price and unrecognized stock-based compensation are greater than the average market price for the Company’s common stock because their effect is anti-dilutive.

Stock options, RSUs and Convertible Senior Notes that would have been included in the diluted EPS calculation if the Company had earnings amounted to 1.4 million for the year ended December 31, 2017. Stock options and RSUs that would have been included in the diluted EPS calculation if the Company had earnings amounted to 0.8 million and 1.0 million for the years ended December 31, 2016 and 2015, respectively. No conversion premium existed on the Convertible Senior Notes as of December 31, 2016 and 2015; therefore, there was no dilutive impact from the Convertible Senior Notes to diluted EPS during the years ended December 31, 2016 and 2015.