v3.26.3
Commitments and Contingencies - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Oct. 01, 2026
Sep. 25, 2025
Oct. 01, 2026
Sep. 25, 2025
Jan. 01, 2026
Other Commitments [Line Items]          
Operating lease, right-of-use asset $ 11,300,000   $ 11,300,000   $ 8,800,000
Short-term lease liability 1,600,000   1,600,000   1,500,000
Long-term lease liabilities $ 11,600,000   $ 11,600,000   9,300,000
Weighted average remaining lease term 8 years 2 months 12 days   8 years 2 months 12 days    
Weighted average discount rate 5.00%   5.00%    
Operating Lease, Lease Income, Lease Payments $ 400,000 $ 600,000 $ 1,400,000 $ 1,600,000  
Maximum potential payment 270,000,000   270,000,000    
Additional amount accrued related to minimum guarantees 1,900,000   1,900,000   1,100,000
Amortization of intangible assets 8,900,000 7,900,000 24,900,000 25,500,000  
Revenue 61,400,000 63,400,000 153,800,000 150,000,000  
ESAs and Network Affiliate Agreements          
Other Commitments [Line Items]          
Amortization of intangible assets 4,300,000 $ 4,300,000 12,900,000 $ 14,600,000  
Building Agreements          
Other Commitments [Line Items]          
lease expense 0   $ 0    
NCM, LLC.          
Other Commitments [Line Items]          
Term of increase in payment percentage per theater patron     5 years    
NCM, LLC. | Founding Members          
Other Commitments [Line Items]          
Liabilities recorded for related party obligations $ 0   $ 0   $ 0
Minimum          
Other Commitments [Line Items]          
Affiliates agreement, term     2 years    
Minimum | NCM, LLC.          
Other Commitments [Line Items]          
Percentage of increase in payment per theatre patron     2.00%    
Minimum | NCM, LLC. | Founding Members          
Other Commitments [Line Items]          
Aggregate percentage of theater access fee paid 12.00%   12.00%    
Maximum          
Other Commitments [Line Items]          
Affiliates agreement, term     15 years    
Maximum | NCM, LLC.          
Other Commitments [Line Items]          
Percentage of increase in payment per theatre patron     8.00%