Interest Rate Swaps Reclassification from AOCI to Income (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Net of Tax	$ (4,332)	$ 456	$ 1,966
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total	199	3,814
Fair Value, Option, Changes in Fair Value, Gain (Loss)	(4,332)	456	1,371
Other Comprehensive Income (Loss), Net of Tax [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Net of Tax	(3,615)	456
Beginning Balance [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total		3,814	3,358
Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption	717	0
Fair Value, Option, Changes in Fair Value, Gain (Loss)	$ (4,332)	$ 456	$ 1,371

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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