Leases - Narrative (Details) - Stores, laboratories, distribution centers, offices	3 Months Ended
	Mar. 28, 2020
Minimum
Lessee, Lease, Description [Line Items]
Lease terms (in years)	5 years
Renewal terms (in years)	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease terms (in years)	10 years
Renewal terms (in years)	10 years