Note 19 - Recent Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	Jan. 31, 2020	Nov. 01, 2019
Prepaid Expenses and Other Current Assets [Member]
Operating Lease, Right-of-Use Asset	$ 22,267	$ 23,300
Accounts Payable and Accrued Liabilities [Member]
Operating Lease, Liability, Total	$ 23,306	$ 24,400