Fair Value Measurements - Schedule of Balance Sheet Location and Fair Value of Company's Interest Rate Swaps (Detail) - Derivatives designated as hedging instruments - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 30, 2017
Derivatives, Fair Value [Line Items]
Interest rate swaps	$ 29,695	$ 12,717
Other current assets
Derivatives, Fair Value [Line Items]
Interest rate swaps	7,480	430
Other noncurrent assets
Derivatives, Fair Value [Line Items]
Interest rate swaps	$ 22,215	$ 12,287

Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611

Name:	us-gaap_InterestRateDerivativeAssetsAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant