Annual report [Section 13 and 15(d), not S-K Item 405]

Stock Incentive Plans - Long Term Cash Incentive Plan (Details)

v3.25.0.1
Stock Incentive Plans - Long Term Cash Incentive Plan (Details) - Long-term cash incentive plan - USD ($)
$ in Millions
12 Months Ended
Dec. 29, 2024
Dec. 31, 2023
Dec. 25, 2022
Dec. 27, 2020
Dec. 31, 2017
Deferred Compensation, Excluding Share-based Payments And Retirement Benefits          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Payments of deferred compensation, cash based arrangements $ 0.0 $ 0.0      
Deferred Compensation, Excluding Share-based Payments And Retirement Benefits          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance and vesting period       3 years 3 years
LTI Cash compensation expense (0.1) (0.1) $ (0.4)    
Deferred Compensation, Excluding Share-based Payments And Retirement Benefits | Accrued payroll liabilities and payroll-related liabilities          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Long-term cash incentive plan liability $ (0.3) $ (0.4)