Leases - Lease Term and Discount Rate (Details)	6 Months Ended
	Jul. 02, 2022	Jan. 01, 2022
Lessee, Lease, Description [Line Items]
Operating leases, weighted average remaining lease term (months)	76 months	76 months
Finance leases, weighted average remaining lease term (months)	68 months	72 months
Operating leases, weighted average discount rate (percent)	4.40%	4.50%
Finance leases, weighted average discount rate (percent)	11.30%	11.70%
Minimum | Stores, laboratories, distribution centers, offices
Lessee, Lease, Description [Line Items]
Lease terms (in years)	5 years
Maximum | Stores, laboratories, distribution centers, offices
Lessee, Lease, Description [Line Items]
Lease terms (in years)	10 years