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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580

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Interest Rate Swaps Schedule of Changes in AOCI Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018	Mar. 30, 2019	Dec. 29, 2018	Dec. 30, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cumulative adjustment as a result of ASU 2017-12 adoption					$ 0
Other Comprehensive Income (Loss), Net of Tax	$ (809)	$ 227	$ (4,458)	$ 2,611
Beginning Balance [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax						$ 3,814	$ 3,358
Accounting Standards Update 2017-12 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cumulative adjustment as a result of ASU 2017-12 adoption	$ 717	$ 0	$ 717	$ 0		$ 0