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Life Insurance Loans - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 04, 2018
Dec. 03, 2017
Mar. 04, 2018
Schedule Of Life Insurance Liabilities [Line Items]      
Repayment of life insurance loans $ 4,312 $ 4,312 $ 4,312
Life Insurance Loans [Member]      
Schedule Of Life Insurance Liabilities [Line Items]      
Weighted Average Interest Rate 4.50%   4.50%
Life Insurance Loans [Member] | Minimum [Member]      
Schedule Of Life Insurance Liabilities [Line Items]      
Interest Rate     4.20%
Life Insurance Loans [Member] | Maximum [Member]      
Schedule Of Life Insurance Liabilities [Line Items]      
Interest Rate     4.80%