Summary of Refranchising, Assets Held for Sale and Franchise Acquisitions - Additional Information (Details) $ in Thousands	3 Months Ended	8 Months Ended
Sep. 10, 2019 USD ($) restaurant franchise	Sep. 11, 2018 USD ($) restaurant franchise	Sep. 10, 2019 USD ($) restaurant franchise	Sep. 11, 2018 USD ($) restaurant franchise
Business Acquisition [Line Items]
Number of restaurants acquired \| restaurant			4	4
Numbers of restaurants closed \| restaurant	1	1	1	1
Franchise-operated restaurants acquired from franchisees \| franchise	1	4	4	4
Goodwill	$ 1,630	$ 893	$ 4,302	$ 893
Restaurant and other equipment and leasehold improvements	82	798	660	798
Operating lease right-of-use assets	1,148	0	2,006	0
Operating lease liabilities	(1,148)	0	(2,006)	0
Unfavorable lease liabilities	0	0	(130)	0
Total consideration	1,712	1,841	4,832	1,841
Franchise rights [Member]
Business Acquisition [Line Items]
Assets acquired	$ 0	$ 150	$ 0	$ 150

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Business combination recognized identifiable assets acquired and liabilities assumed, operating lease right of use assets

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Numbers Of Restaurants Closed

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The number of businesses acquired by the entity during the period.

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Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The number of franchises purchased during the period when there are significant changes in franchisor-owned outlets or franchised outlets during the period.

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