XML 79 R65.htm IDEA: XBRL DOCUMENT v3.5.0.2
Stockholders' Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Apr. 30, 2015
Oct. 31, 2014
Oct. 31, 2013
Share-Based Compensation Arrangement By Share-Based Payment Award, Options Exercisable [Abstract]          
Options Exercised 1,130,000 200,000 139,690 201,333 14,000
Exercise Price $ 18.64 $ 12.02 $ 20.27 $ 19.59 $ 16.43
Shares Net Settled for Exercise 410,648 66,602 76,021 124,621 7,241
Shares Withheld for Taxes 293,152 52,158 20,656 35,416 2,519
Net Shares to Employee 426,200 81,240 43,013 41,296 4,240
Share Price for Withholding $ 51.30 $ 36.08 $ 37.27 $ 31.65 $ 31.77
Tax Withholding (in 000's) $ 15,039 $ 1,882 $ 770 $ 1,121 $ 80