Shareholders' Deficit - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Stock Options
Beginning balance, outstanding (in shares)	1,046,000
Granted (in shares)	0
Exercised (in shares)	0
Canceled/Forfeited (in shares)	(104,000)
Ending balance, outstanding (in shares)	942,000	1,046,000
Ending balance, exercisable (in shares)	736,000
Vested and expected to vest, ending balance (in shares)	926,000
Weighted- Average Exercise Price per Share
Outstanding, beginning balance (in dollars per share)	$ 40.80
Granted (in dollars per share)	0
Exercised (in dollars per share)	0
Canceled/Forfeited (in dollars per share)	40.38
Outstanding, ending balance (in dollars per share)	40.85	$ 40.80
Exercisable, ending balance (in dollars per share)	42.90
Vested and expected to vest, ending balance (in dollars per share)	$ 40.95
Weighted- Average Remaining Contractual Term
Weighted-average remaining contractual term - outstanding (years)	5 years 7 months 6 days	6 years 2 months 12 days
Weighted-average remaining contractual term - exercisable (years)	4 years 10 months 24 days
Weighted-average remaining contractual term - vested and expected to vest (years)	5 years 7 months 6 days
Aggregate Intrinsic Value
Aggregate intrinsic value - outstanding	$ 0	$ 0
Aggregate intrinsic Value - exercisable	0
Aggregate intrinsic value - vested and expected to vest	$ 0