XML 61 R50.htm IDEA: XBRL DOCUMENT v3.5.0.2
Other Charges (Details Textual) - Chief Operating Officer - USD ($)
$ in Millions
3 Months Ended
Apr. 30, 2016
Jul. 31, 2016
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Compensation related expenses included in accrued liabilities   $ 0.4
Wholesale    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Compensation related expenses associated with retirement $ 1.8