Lease Commitments Operating Lease (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Leases [Abstract]
Operating Lease, Cost	$ 31,000	$ 30,200	$ 27,100
Operating Lease, Right-of-Use Asset	96,655
Operating Lease, Liability, Current	21,827	$ 0
Operating Lease, Liability, Noncurrent	75,018
Operating Lease, Liability	$ 96,845