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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textuals)
$ in Thousands
Jan. 31, 2020
USD ($)
Operating Lease, Right-of-Use Asset $ 62,114
Operating Lease, Liability 62,911
Accounting Standards Update 2016-02 [Member]  
Operating Lease, Right-of-Use Asset 63,400
Operating Lease, Liability $ 64,100