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Amount classified as assets attributable to disposal group held for sale or disposed of.

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Amount classified as goodwill attributable to disposal group held for sale or disposed of.

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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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Amount of loss from impairment of right-of-use asset from operating lease.

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Liability for amount due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment.

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Operating (Gains), Losses and Other Charges, Net - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 23, 2020 USD ($) real_estate parcel restaurant	Sep. 25, 2019 USD ($) parcel restaurant	Sep. 23, 2020 USD ($) restaurant parcel real_estate	Sep. 25, 2019 USD ($) parcel restaurant	Dec. 25, 2019 USD ($) real_estate restaurant
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gains on sales of assets and other, net	$ 1,202	$ 51,183	$ 2,260	$ 87,497
Number of restaurants \| restaurant	1,664		1,664
Number of restaurants reclassified out of held for sale \| restaurant			4
Exit cost liabilities	$ 100		$ 100		$ 200
Severance and other restructuring charges	700		700		900
Impairment charges	338	0	2,519	0
Property impairment			1,300
Operating lease right-of-use asset impairment			1,100
Impairment of franchisee rights (less than)	100		100
Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Carrying amount	3,200		3,200		1,900
Property	2,500		2,500		1,600
Other assets	$ 700		$ 700		$ 200
Number of real estate properties \| real_estate	7		7		2
Goodwill					$ 100
Number of restaurants \| restaurant					4
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties sold \| real_estate			5
Company Restaurant Sales
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gains on sales of assets and other, net		$ 50,400		$ 76,800
Number of restaurants sold \| restaurant		56		96
Real Estate
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties sold \| parcel	3	2	5	6
Gains on sales of assets and other, net		$ 1,300		$ 11,900