COVID-19 Impact COVID-19 Impact - Summary of charges (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 29, 2020	Mar. 31, 2019
Unusual or Infrequent Item, or Both [Line Items]
Inventory obsolescence and spoilage		$ 5,291	$ 0
Total costs and expenses		1,049,905	1,045,637
Provision for impaired assets and restaurant closings [Member]
Unusual or Infrequent Item, or Both [Line Items]
Goodwill and other impairment		40,424	$ 3,482
COVID-19 pandemic [Member]
Unusual or Infrequent Item, or Both [Line Items]
Total costs and expenses		65,063
COVID-19 pandemic [Member] | Cost of sales [Member]
Unusual or Infrequent Item, or Both [Line Items]
Inventory obsolescence and spoilage	[1]	6,182
COVID-19 pandemic [Member] | Labor and other related [Member]
Unusual or Infrequent Item, or Both [Line Items]
Relief pay	[2]	16,186
COVID-19 pandemic [Member] | General and administrative expense [Member]
Unusual or Infrequent Item, or Both [Line Items]
Allowance for expected credit losses	[3]	3,334
Other charges		573
COVID-19 pandemic [Member] | General and administrative expense [Member] | Property lease guarantee [Member]
Unusual or Infrequent Item, or Both [Line Items]
Lease guarantee contingent liabilities	[4]	4,188
COVID-19 pandemic [Member] | Provision for impaired assets and restaurant closings [Member]
Unusual or Infrequent Item, or Both [Line Items]
Right-of-use asset impairment	[5]	20,484
COVID-19 pandemic [Member] | Provision for impaired assets and restaurant closings [Member] | Property, fixtures and equipment, net [Member]
Unusual or Infrequent Item, or Both [Line Items]
Fixed asset impairment	[5]	11,728
COVID-19 pandemic [Member] | Provision for impaired assets and restaurant closings [Member] | Goodwill and other assets [Member]
Unusual or Infrequent Item, or Both [Line Items]
Goodwill and other impairment	[6]	$ 2,388

[1] Includes the write-off of value added tax credits related to the purchase of inventory by the Company’s Brazil subsidiary.

[2] Represents relief pay for hourly employees impacted by the closure of dining rooms.

[3] Includes additional reserves based on the Company’s increase in expected credit losses, primarily related to franchise receivables.

[4] Represents additional contingent liabilities recorded for lease guarantees related to certain former restaurant locations now operated by franchisees or other third parties.

[5] Includes impairments resulting from the remeasurement of assets utilizing projected future cash flows revised for current economic conditions and the closure of certain restaurants.

[6] Includes impairment of goodwill for the Company’s Hong Kong subsidiary. See Note 8 - Goodwill and Intangible Assets, Net for details regarding impairment of goodwill.