XML 33 R36.htm IDEA: XBRL DOCUMENT v3.3.0.814
Stock Options, Restricted Stock and Restricted Stock Units (Details) - Restricted stock and restricted stock units [Member]
9 Months Ended
Sep. 30, 2015
$ / shares
shares
Schedule of restricted stock and restricted stock units activity  
Beginning Balance, Number of shares or units | shares 524,216
Grants, Number of shares or units | shares 126,655
Vested shares, Number of shares or units | shares (13,725)
Forfeitures, Number of shares or units | shares (1,731)
Ending Balance, Number of shares or units | shares 635,415
Beginning Balance, Weighted-average grant price $ 115.67
Grants, Weighted-average grant price 61.00
Vested shares, Weighted-average grant price 52.94
Forfeitures, Weighted-average grant price 115.55
Ending Balance, Weighted-average grant price $ 104.64