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Commitments and Contingent Liabilities (Details 1) - USD ($)
$ in Thousands
9 Months Ended
Dec. 02, 2017
Nov. 26, 2016
Guarantees and warranties    
Balance at beginning of period $ 21,933 $ 16,340
Additional accruals 3,443 6,082
Claims paid (8,254) (4,878)
Acquired reserves 5,571 0
Balance at end of period $ 22,693 $ 17,544