Other Current and Non-Current Assets - Additional Information (Detail) - USD ($) $ in Thousands	4 Months Ended
Apr. 21, 2018	Apr. 20, 2019
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Recovery from legal settlement in principle		$ 21,000
Recognized impairment for notes receivable (not related to IDPs)	$ 2,483

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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