Other Current and Non-Current Assets - Additional Information (Detail) - USD ($) $ in Thousands	4 Months Ended	6 Months Ended
Apr. 21, 2018	Jul. 14, 2018
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Recognized impairment for notes receivable (not related to IDPs)	$ 2,500	$ 2,483

Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Name:	us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration