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Supplemental Balance Sheet Information - Other current liabilities (Details) - USD ($)
$ in Thousands
Aug. 31, 2019
Mar. 02, 2019
Inventory Disclosure [Abstract]    
Warranties $ 10,857 $ 12,475
Accrued project losses 29,221 37,085
Taxes 7,604 8,026
Accrued Insurance, Current 8,433 9,537
Other 31,059 25,573
Total other current liabilities $ 87,174 $ 92,696