Earnings Per Share - Additional Information (Detail) - shares	3 Months Ended	8 Months Ended
Sep. 06, 2020	Sep. 08, 2019	Sep. 06, 2020	Sep. 08, 2019
Stock Option [Member]
Earnings Per Share [Line Items]
Anti-dilutive Securities Excluded from Computation of Earnings Per Share	52,390	161,670	53,130	161,670
Restricted Performance Shares [Member]
Earnings Per Share [Line Items]
Securities excluded from computation of earnings per share, amount unvested	118,518	142,477	118,518	142,477

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration