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Note 10 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Feb. 03, 2018
Feb. 02, 2019
Dec. 30, 2017
Operating Leases, Rent Expense, Net, Total $ 3.7 $ 45.9 $ 45.0
Operating Leases, Rent Expense, Contingent Rentals $ 0.1 1.5 $ 1.2
Litigation Receivable, Gross   3.9  
Litigation Receivables, Reserve   3.1  
Litigation Receivables, Net   $ 0.8