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Investment in Unconsolidated Joint Venture - Summary of Equity Method Investment (Detail) - CLIH [Member] - USD ($)
$ in Thousands
Jul. 29, 2018
Apr. 29, 2018
Jul. 30, 2017
Schedule of Equity Method Investments [Line Items]      
Total assets $ 3,153 $ 3,130 $ 3,003
Total liabilities 103 128 48
Total members' equity $ 3,050 $ 3,002 $ 2,955