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Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May 02, 2021
Oct. 25, 2020
Jan. 31, 2021
Debt Instrument [Line Items]      
Debt issuance costs $ (1,684)   $ (1,805)
Total long-term debt, net of debt issuance costs $ 175,316   $ 179,195
Effective interest rate 1.87%   1.88%
Revolving loans      
Debt Instrument [Line Items]      
Total debt $ 177,000   $ 181,000
Debt amount bearing fixed interest rate $ 150,000   $ 150,000
Fixed interest rate 1.9775%   1.9775%
LIBOR portion of fixed rate 0.7275%    
Variable rate at end of period 1.37%   1.39%
One-month LIBOR | Revolving loans      
Debt Instrument [Line Items]      
Debt instrument margin 1.25% 1.25%  
LIBOR | Revolving loans      
Debt Instrument [Line Items]      
Debt instrument margin 1.25%