Leases - Weighted Average Terms and Discount Rates (Details)	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Weighted-average remaining lease terms:
Finance leases	2 years 10 months 24 days	3 years 8 months 12 days	4 years 6 months
Operating leases	3 years 3 months 18 days	3 years 3 months 18 days	3 years 8 months 12 days
Weighted-average discount rates:
Finance leases	3.10%	3.40%	3.40%
Operating leases	1.90%	2.60%	2.80%