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Retirement Plans - Future Benefit Payments (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 02, 2019
Mar. 03, 2018
Mar. 04, 2017
Future benefit payments expected to be paid in Fiscal Year      
Multiemployer plans total expenses recognized $ 23,499 $ 20,979 $ 21,336
Defined Benefit Pension Plan      
Future benefit payments expected to be paid in Fiscal Year      
2020 8,690    
2021 8,844    
2022 8,999    
2023 9,005    
2024 9,213    
2025 - 2029 45,903    
Total $ 90,654