Leases (Narrative) (Details)	6 Months Ended
	Jun. 28, 2020
Lessee, Lease, Description [Line Items]
Lease expiration date	December 2026
Maximum
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term	6 years
Operating lease, renewal term option	5 years
Minimum
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term	1 year