Shareholders' Deficit - Assumptions Used to Calculate Fair Value of Options Granted Using Black-Scholes-Merton Option-Pricing Model (Details) - Stock options	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield (as a percent)	0.00%	0.00%	0.00%
Expected volatility (as a percent)	0.00%	64.00%	57.00%
Risk-free interest rate	0.00%	3.80%	2.20%
Expected term (years)	0 years	5 years 8 months 12 days	5 years 3 months 18 days