Share-based Compensation (Notes)

9 Months Ended

Sep. 30, 2014

Share-based Compensation [Abstract]

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

Share-based Compensation

During the nine months ended September 30, 2014, the Company granted 74 stock options, 37 shares of restricted stock and restricted stock units, 16 performance units and 19 leveraged restricted share units. Non-employee directors received 5 stock awards with a fair value of $417. During the nine months ended September 30, 2014, participants in the Company’s stock option plans exercised options to purchase 19 shares of the Company’s common stock while 4 stock options were forfeited.

Stock options generally have a four-year graded vesting period. Restricted stock and restricted stock units generally vest ratably over a three-year period, and performance units and leveraged restricted share units generally vest at the end of a three-year performance period based on the achievement of certain performance conditions. During the nine months ended September 30, 2014, 42 restricted stock and restricted stock units vested while 1 shares of restricted stock were forfeited. Also, during the nine months ended September 30, 2014, 51 performance units vested while 1 performance units were forfeited.

Share-based compensation expense was $1,730 and $1,707 for the three months ended September 30, 2014 and 2013, respectively, and $7,613 and $6,782 for the nine months ended September 30, 2014 and 2013, respectively. As of September 30, 2014, total share-based compensation of $10,815 is expected to be recognized over the weighted-average period of approximately 2.0 years.