XML 63 R31.htm IDEA: XBRL DOCUMENT v3.21.2
Note 1 - Significant Accounting Policies (Details Textual)
$ / shares in Units, Pure in Thousands, $ in Millions
12 Months Ended
May 01, 2021
USD ($)
shares
May 02, 2020
USD ($)
shares
Apr. 27, 2019
USD ($)
shares
Feb. 05, 2021
$ / shares
Stock Dividend, Per Share (in dollars per share) | $ / shares       $ 1
Incremental Common Shares Attributable to Dilutive Effect of Equity Unit Purchase Agreements (in shares) | shares 340,000 400,000 568,000  
Self Insurance Reserve and Coverage by Insurance, Noncurrent $ 5.9 $ 5.5    
Self Insurance Reserve, Noncurrent, Covered by Insurance 4.5      
Inventory, Finished Goods, Gross, Total 43.3 39.1    
Inventory, Raw Materials, Gross, Total 28.2 24.4    
Marketing Expense 43.4 54.8 $ 55.3  
Shipping and Handling Costs $ 75.5 $ 69.8 $ 72.4  
Customer Concentration Risk [Member] | Accounts Receivable [Member]        
Number of Major Customers 0      
Customer Concentration Risk [Member] | Revenue Benchmark [Member]        
Number of Major Customers 0      
Building and Building Improvements [Member] | Minimum [Member]        
Property, Plant and Equipment, Useful Life (Year) 5 years      
Building and Building Improvements [Member] | Maximum [Member]        
Property, Plant and Equipment, Useful Life (Year) 30 years      
Machinery and Equipment [Member] | Minimum [Member]        
Property, Plant and Equipment, Useful Life (Year) 3 years      
Machinery and Equipment [Member] | Maximum [Member]        
Property, Plant and Equipment, Useful Life (Year) 15 years