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Commitments and Contingent Liabilities (Details Textual)
$ in Millions
12 Months Ended
Feb. 26, 2022
USD ($)
Facility
Feb. 27, 2021
USD ($)
Long-term Purchase Commitment [Line Items]    
Face value of performance bonds $ 1,200.0  
Company's backlog bonded by performance bonds 352.5  
Project related liability 0.1 $ 4.6
Total value of letter of credit 16.4  
Purchase obligations $ 209.2  
Number of properties acquired with historical environmental conditions | Facility 1  
Current Liabilities and Other Non Current Liabilities    
Long-term Purchase Commitment [Line Items]    
Reserve for environmental liabilities $ 0.5