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Restructuring and Related Activities (Tables) - USD ($)
12 Months Ended
Feb. 26, 2021
Feb. 28, 2020
Restructuring and Related Activities [Abstract]    
Restructuring and Related Cost, Incurred Cost $ 28,600,000  
Payments for Restructuring (28,200,000)  
Restructuring Reserve $ 400,000 $ 0