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Long-Term Debt - Narrative (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 26, 2024
Jun. 28, 2023
Jun. 26, 2024
Jun. 28, 2023
Mar. 27, 2024
Dec. 27, 2023
Mar. 29, 2023
Mar. 28, 2023
Dec. 28, 2022
Line of Credit Facility [Line Items]                  
Notional Amount $ 222,000,000   $ 222,000,000            
Total shareholders' deficit (53,243,000) $ (42,618,000) (53,243,000) $ (42,618,000) $ (55,744,000) $ (62,686,000) $ (45,002,000)   $ (37,116,000)
Derivatives                  
Line of Credit Facility [Line Items]                  
Reclassification     (3,044,000)            
Total shareholders' deficit (34,175,000)   (34,175,000)     $ (41,322,000)      
Amortization of unrealized losses related to interest rate swaps to interest expense, net                  
Line of Credit Facility [Line Items]                  
Reclassification     309,000            
Interest Rate Swap 2020-2033                  
Line of Credit Facility [Line Items]                  
Notional Amount 52,000,000   52,000,000            
Termination fee       1,500,000          
Interest Rate Swap 2020-2033 | Maximum                  
Line of Credit Facility [Line Items]                  
Notional Amount 335,000,000   335,000,000       $ 335,000,000 $ 425,000,000  
Effective Interest Rate Swaps                  
Line of Credit Facility [Line Items]                  
Derivative asset 18,100,000   18,100,000            
Reclassification     3,000,000            
Expected reclassification within next twelve months     6,500,000            
Dedesignated Interest Rate Swaps | Other Nonoperating Income (Expense)                  
Line of Credit Facility [Line Items]                  
Expense recorded related to Swaps       10,600,000          
Dedesignated Interest Rate Swaps | Derivatives                  
Line of Credit Facility [Line Items]                  
Total shareholders' deficit 63,900,000   63,900,000            
Dedesignated Interest Rate Swaps | Amortization of unrealized losses related to interest rate swaps to interest expense, net                  
Line of Credit Facility [Line Items]                  
Reclassification 200,000 100,000 $ 300,000 100,000          
Dedesignated Interest Rate Swaps | Derivatives                  
Line of Credit Facility [Line Items]                  
Expected reclassification within next twelve months   $ 1,600,000   $ 1,600,000          
Senior Secured Revolver                  
Line of Credit Facility [Line Items]                  
Line of credit facility, term (in years)     5 years            
Line of credit facility, current borrowing capacity 400,000,000   $ 400,000,000            
Line of credit facility, accordion feature, increase limit 450,000,000   450,000,000            
Outstanding amount under credit facility 257,500,000   257,500,000            
Availability under the credit facility $ 126,200,000   $ 126,200,000            
Basis spread on variable rate debt (as a percent)     2.25%            
Commitment fee, percent     0.35%            
Weighted-average interest rate 7.68%   7.68%     7.41%      
Senior Secured Revolver | Interest Rate Swap                  
Line of Credit Facility [Line Items]                  
Weighted-average interest rate 5.18%   5.18%     5.04%      
Letter of Credit                  
Line of Credit Facility [Line Items]                  
Line of credit facility, current borrowing capacity $ 25,000,000   $ 25,000,000            
Outstanding amount of letters of credit $ 16,300,000   $ 16,300,000            
Interest rate 2.38%   2.38%