Interest Rate Swaps Schedule of Changes in AOCL Net of Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ (5,556)	$ 612	$ 2,240
Other Comprehensive Income (Loss), Net of Tax, Total	(4,332)	456	$ 1,966
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total	$ 199	$ 3,814