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Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Fair Value of Assets and Liabilities (Details) - USD ($)
$ in Thousands
Aug. 25, 2019
May 26, 2019
Assets:    
Investment in non-public company $ 61,100 $ 61,100
Fair Value, Measurements, Recurring | Level 1    
Assets:    
Interest rate swap contracts 0 0
Investment in non-public company 0 0
Total assets 0 0
Liabilities:    
Interest rate swap contracts 0 0
Contingent consideration liability 0 0
Total liabilities 0 0
Fair Value, Measurements, Recurring | Level 2    
Assets:    
Interest rate swap contracts 141 644
Investment in non-public company 0 0
Total assets 141 644
Liabilities:    
Interest rate swap contracts 856 482
Contingent consideration liability 0 0
Total liabilities 856 482
Fair Value, Measurements, Recurring | Level 3    
Assets:    
Interest rate swap contracts 0 0
Investment in non-public company 61,100 61,100
Total assets 61,100 61,100
Liabilities:    
Interest rate swap contracts 0 0
Contingent consideration liability 500 500
Total liabilities $ 500 $ 500