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Debt - Narrative (Details)
12 Months Ended
Jul. 15, 2020
Oct. 25, 2019
USD ($)
Sep. 23, 2016
USD ($)
May 31, 2020
USD ($)
Feb. 23, 2020
Dec. 02, 2019
USD ($)
May 26, 2019
USD ($)
Nov. 30, 2018
USD ($)
Jun. 25, 2018
USD ($)
Nov. 01, 2016
USD ($)
Debt Instrument [Line Items]                    
Term loan facility       $ 112,917,000     $ 96,984,000      
Line of credit       77,400,000     $ 52,000,000      
Interest Rate Swap | BMO                    
Debt Instrument [Line Items]                    
Derivative, notional amount           $ 110,000,000.0     $ 30,000,000.0 $ 50,000,000.0
London Interbank Offered Rate (LIBOR) | Interest Rate Swap | BMO                    
Debt Instrument [Line Items]                    
Interest rate           1.53%     2.74% 1.22%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank                    
Debt Instrument [Line Items]                    
Additional commitment amount     $ 10,000,000.0              
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank | Term loan                    
Debt Instrument [Line Items]                    
Term loan facility     50,000,000.0              
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank | Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Revolving line of credit     $ 100,000,000.0              
Line of credit       $ 77,400,000            
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank | Revolving Credit Facility | Eurodollar                    
Debt Instrument [Line Items]                    
Revolver interest rate       4.38%            
Forth Amendment Credit Agreement With JP Morgan Chase BMO Harris Bank And City National Bank | Term loan                    
Debt Instrument [Line Items]                    
Term loan facility               $ 100,000,000.0    
Forth Amendment Credit Agreement With JP Morgan Chase BMO Harris Bank And City National Bank | Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Revolving line of credit               $ 105,000,000.0    
Sixth Amendment To The Credit Agreement With JP Morgan Chase BMO Harris Bank And City National Bank                    
Debt Instrument [Line Items]                    
Covenant, leverage ratio         5.00          
Sixth Amendment To The Credit Agreement With JP Morgan Chase BMO Harris Bank And City National Bank | Term loan                    
Debt Instrument [Line Items]                    
Term loan facility   $ 120,000,000.0                
Periodic payment   3,000,000.0                
Sixth Amendment To The Credit Agreement With JP Morgan Chase BMO Harris Bank And City National Bank | Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Revolving line of credit   $ 100,000,000.0                
Seventh Amendment                    
Debt Instrument [Line Items]                    
Covenant, leverage ratio         5.75          
Covenant, quarterly decrease in leverage ratio       0.0025            
Final fixed leverage ratio       3.50            
Seventh Amendment | Minimum | Prime Rate                    
Debt Instrument [Line Items]                    
Base spread on variable rate       0.25%            
Seventh Amendment | Minimum | Eurodollar                    
Debt Instrument [Line Items]                    
Base spread on variable rate       1.25%            
Seventh Amendment | Maximum | Prime Rate                    
Debt Instrument [Line Items]                    
Base spread on variable rate       3.00%            
Seventh Amendment | Maximum | Eurodollar                    
Debt Instrument [Line Items]                    
Base spread on variable rate       4.00%            
Eighth Amendment | Subsequent Event                    
Debt Instrument [Line Items]                    
Percentage of EBITDA, maximum limit on permitted exclusions 20.00%                  
Eighth Amendment | Minimum | Subsequent Event                    
Debt Instrument [Line Items]                    
Commitment fee percentage 0.15%                  
Eighth Amendment | Minimum | Prime Rate | Subsequent Event                    
Debt Instrument [Line Items]                    
Base spread on variable rate 0.75%                  
Eighth Amendment | Minimum | Eurodollar | Subsequent Event                    
Debt Instrument [Line Items]                    
Base spread on variable rate 1.75%                  
Eighth Amendment | Maximum | Subsequent Event                    
Debt Instrument [Line Items]                    
Commitment fee percentage 0.55%                  
Eighth Amendment | Maximum | Prime Rate | Subsequent Event                    
Debt Instrument [Line Items]                    
Base spread on variable rate 3.50%                  
Eighth Amendment | Maximum | Eurodollar | Subsequent Event                    
Debt Instrument [Line Items]                    
Base spread on variable rate 4.50%