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Note 1 - Significant Accounting Policies (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jan. 29, 2022
Jan. 30, 2021
Jan. 29, 2022
Jan. 30, 2021
May 01, 2021
Inventory, Finished Goods, Gross, Total $ 50.3   $ 50.3   $ 43.3
Inventory, Raw Materials, Gross, Total 38.4   38.4   $ 28.2
Marketing Expense 12.9 $ 11.3 36.0 $ 31.2  
Shipping and Handling Costs $ 21.1 $ 18.0 $ 65.5 $ 55.9