Quarterly report pursuant to Section 13 or 15(d)

Contingencies (Details)

v3.19.3.a.u2
Contingencies (Details)
$ in Millions
3 Months Ended
Oct. 31, 2019
USD ($)
Contingencies (Details) [Line Items]  
Number Of Pending Cases 3
Litigation Reimbursement $ 0.8
Legal Fees Reimbursement 0.4
Subsequent Event [Member]  
Contingencies (Details) [Line Items]  
Legal Fees Reimbursement $ 0.4