Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

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-Publisher FASB
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-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 952
-SubTopic 605
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=68064525&loc=d3e68639-108044

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-Publisher FASB
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-Section 50
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- Definition

Approximate Company-operated restaurant ownership percentage

+ References

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- Definition

Number of restaurants classified as assets held for sale

+ References

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- Definition

Post Closing Adjustments on Sales of Restaurants

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Recognition of deferred gain on sale of property

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System Optimization Gains, Net Summary of Disposition Activity (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020 USD ($) number_of_restaurants	Sep. 29, 2019 USD ($)	Sep. 27, 2020 USD ($) number_of_restaurants	Sep. 29, 2019 USD ($) number_of_restaurants	Dec. 29, 2019 number_of_restaurants	Jan. 01, 2017
System optimization gains, net
Company-operated restaurant ownership percentage						5.00%
Number of restaurants classified as assets held for sale \| number_of_restaurants	43		43		0
System optimization gains, net	$ 23	$ 1,040	$ 2,333	$ 1,162
Proceeds from sales			$ 3,570	$ 2,038
Sale of franchise-operated restaurant to franchisee
System optimization gains, net
Significant Changes, Franchises Sold \| number_of_restaurants			22	3
Sale of Company-operated restaurants to franchisees
System optimization gains, net
Post closing adjustments on sales of restaurants	23	1,033	$ 368	$ 1,087
Recognition of deferred gain on sale of property		911		911
Sale of other assets
System optimization gains, net
System optimization gains, net	$ 0	7	1,965	75
Proceeds from sales		$ 798	$ 3,570	$ 2,038