Leases (Schedule of other information) (Details)	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Leases [Abstract]
Weighted-average remaining lease term (years), Operating leases	12 years 9 months 18 days	7 years 4 months 24 days	3 years 4 months 24 days
Weighted-average remaining lease term (years), Finance leases	3 years 6 months	4 years 3 months 18 days	5 years 3 months 18 days
Weighted-average discount rate, Operating leases	8.70%	5.00%	6.60%
Weighted-average discount rate, Finance leases	8.20%	6.60%	5.40%