XML 85 R74.htm IDEA: XBRL DOCUMENT v3.6.0.2
Stock-Based Compensation - Restricted Stock, Restricted Stock Units, and Performance Units Activity (Details) - Restricted stock, restricted stock units, performance units, cash settled restricted stock units and cash settled performance units
shares in Thousands
6 Months Ended
Jun. 30, 2016
$ / shares
shares
Shares  
Non-vested awards at the beginning of the period (in shares) | shares 1,155
Granted (in shares) | shares 1,357
Vested (in shares) | shares (601)
Canceled (in shares) | shares (64)
Non-vested awards at the end of the period (in shares) | shares 1,847
Weighted Average Grant Date Fair Value Per Share  
Non-vested awards at the beginning of the period (in dollars per share) | $ / shares $ 18.50
Granted (in dollars per share) | $ / shares 6.09
Vested (in dollars per share) | $ / shares 16.48
Canceled (in dollars per share) | $ / shares 11.40
Non-vested awards at the end of the period (in dollars per share) | $ / shares $ 10.29