Summary of Significant Accounting Policies (Components of Other Current Liabilities) (Details) - USD ($) $ in Thousands	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Other Current Liabilities
Accrued self-insurance retentions	$ 8,654	$ 9,338
Accrued warranty and service liabilities	15,408	14,674	$ 14,463
Accrued trade promotions	14,312	13,799
Payable for employee stock purchases	16,639	16,497
Customer Advances and Deferred Revenue	51,578	50,747
Income taxes payable	9,837	15,987
Tax payable, other	$ 12,289	$ 9,614
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Total	Total
Operating lease liabilities, current	$ 8,242	$ 9,555
Right of return refund liability	17,826	18,449
Other	30,574	32,133
Total	$ 185,359	$ 190,793