Leases - Supplemental lease information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Balance Sheet Information
Operating lease right-of-use assets	$ 21,535	$ 26,740
Operating lease right-of-use assets, Statement of Financial Position	Other assets, net	Other assets, net
Operating lease liabilities, current	$ 5,878	$ 7,185
Operating lease liabilities, Current, Statement of Financial Position	Other current liabilities	Other current liabilities
Operating lease liabilities, non-current	$ 15,549	$ 19,830
Operating lease liabilities, Noncurrent, Statement of Financial Position	Other non-current liabilities	Other non-current liabilities
Cash Flow Information
Cash paid for operating lease liabilities	$ 7,883	$ 7,487
Right-of-use assets obtained in exchange for operating lease obligations	$ 13,867	$ 534
Operating Lease Information
Weighted-average remaining lease term	5 years 3 months 18 days	5 years 4 months 24 days
Weighted-average discount rate	4.87%	4.72%