Restructuring and Related Activities (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Feb. 26, 2022	Feb. 27, 2021	Feb. 29, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 30,500	$ 5,800
Gain on disposal of assets	20,987	20,044	$ 2,197
Proceeds from Sale of Property	29,100
Carrying Value, Property Held For Sale	9,400
Building and Building Improvements [Member]
Restructuring Cost and Reserve [Line Items]
Gain on disposal of assets	19,500
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring expense	28,200	5,200
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 2,300	$ 600