Revolving Credit Facilities and Long-Term Debt - Revolving Credit Facilities and Long-Term Debt (Details) - USD ($)
3 Months Ended 9 Months Ended
Jun. 29, 2015
Dec. 25, 2021
Dec. 26, 2020
Dec. 25, 2021
Dec. 26, 2020
Jul. 26, 2021
Mar. 27, 2021
Jun. 06, 2019
May 26, 2017
Interest expense                  
Revolving credit facilities and long-term debt                  
Amortization of deferred loan fees   $ 100,000 $ 200,000 $ 400,000 $ 700,000        
Deferred loan fees written off   500,000   1,400,000          
Golub Term Loan                  
Revolving credit facilities and long-term debt                  
Principal amount $ 200,000,000.0 0   0          
Interest expense   $ 600,000 $ 1,600,000 $ 2,500,000 $ 4,700,000        
Weighted average interest rate (as a percent)   5.50% 5.90% 5.50% 5.90%        
Repayments of loan       $ 111,500,000          
Deferred loan fees   $ 7,100,000   7,100,000          
Term loan             $ 111,500,000    
Unamortized value of the debt issuance costs and debt discount   0   0     (1,719,000)    
Total             109,781,000    
Deferred loan fees written off       1,400,000          
Wells Fargo Revolver                  
Revolving credit facilities and long-term debt                  
Borrowing capacity $ 125,000,000.0         $ 180,000,000.0   $ 165,000,000.0 $ 135,000,000.0
Commitment fee on unused capacity (as a percentage) 0.25%                
Amount outstanding under 2015 Wells Fargo Revolver   0   0     0    
Interest expense   200,000 $ 300,000 500,000 $ 1,300,000        
Weighted average interest rate (as a percent)     1.70%   1.70%        
Additional interest rate required if certain triggering events come into existence (as a percent) 2.00%                
Deferred loan fees   1,200,000   1,200,000          
Unamortized value of the debt issuance costs and debt discount   $ (200,000)   $ (200,000)     $ (300,000)    
Wells Fargo Revolver | Federal funds rate                  
Revolving credit facilities and long-term debt                  
Basis margin (as a percent) 0.50%                
Wells Fargo Revolver | One-month LIBOR rate                  
Revolving credit facilities and long-term debt                  
Basis margin (as a percent) 1.00%                
Wells Fargo Revolver | Minimum                  
Revolving credit facilities and long-term debt                  
Consolidated fixed charge coverage ratio 1.00                
Wells Fargo Revolver | Minimum | Base rate                  
Revolving credit facilities and long-term debt                  
Basis margin (as a percent) 0.00%                
Wells Fargo Revolver | Minimum | LIBOR                  
Revolving credit facilities and long-term debt                  
Basis margin (as a percent) 1.00%                
Wells Fargo Revolver | Maximum | Base rate                  
Revolving credit facilities and long-term debt                  
Basis margin (as a percent) 0.25%                
Wells Fargo Revolver | Maximum | LIBOR                  
Revolving credit facilities and long-term debt                  
Basis margin (as a percent) 1.25%