Summary of Fair Value of Interest Rate Swaps (Details) - USD ($) $ in Thousands	Mar. 30, 2019	Dec. 29, 2018
Other Noncurrent Liabilities \| Interest Rate Swap
Derivatives, Fair Value [Line Items]
Fair value	$ 11,353	$ 4,125

Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant