SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textuals) $ in Thousands	Apr. 30, 2020 USD ($)
Operating Lease, Right-of-Use Asset	$ 60,056
Operating Lease, Liability	60,935
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset	63,400
Operating Lease, Liability	$ 64,100