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Note 2 - Restructuring Actions - Restructuring Charges (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 02, 2019
Mar. 03, 2018
Dec. 01, 2018
Expenses incurred $ 1,453 $ 1,829 $ 8,881
Cost of Sales [Member]      
Expenses incurred 376 232  
Selling, General and Administrative Expenses [Member]      
Expenses incurred $ 1,077 $ 1,597