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Share-Based Compensation
9 Months Ended
Sep. 30, 2017
Share Based Compensation [Abstract]  
Share-Based Compensation

9. Share-Based Compensation

Share-based compensation expense from continuing operations totaled $2.1 million for both the three months ended September 30, 2017 and 2016, respectively, and $6.4 million and $7.9 million for the nine months ended September 30, 2017 and 2016, respectively.

In March 2017, the Company awarded its annual share-based compensation grants, which consisted of 569,594 restricted stock units with a grant date fair value of $16.30 per unit and 304,425 performance share units with a grant date fair value of $16.30 per unit. The restricted stock units are subject to a three year graded vesting period. The performance share units are subject to a 34 month cliff vesting period. Additionally, during the nine months ended September 30, 2017, the Company awarded 102,191 restricted stock units with a weighted average grant date fair value of $11.77 per share and a weighted average vesting period of 1.5 years.