RESTAURANT ACQUISITIONS - VIBS Transaction (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Jul. 30, 2021	Oct. 03, 2021	Oct. 03, 2021	Sep. 27, 2020	Jan. 03, 2021
Restaurant acquisitions
Lease right of use assets		$ 78,581	$ 78,581		$ 61,634
Liabilities assumed:
Lease liabilities		(21,830)	(21,830)	$ (51,682)
Gain on acquisition, net of acquisition costs		$ (3,203)	$ (3,203)	$ (13,675)
VIBS Transaction
Restaurant acquisitions
Acquisition costs	$ 498
Assets acquired:
Current assets	708
Property, plant, equipment and leasehold improvements, net	5,101
Owned properties	3,148
Franchise agreements	10,602
Identifiable intangible assets, net	2,645
Operating lease right-of use assets	14,723
Total identifiable assets acquired	36,927
Liabilities assumed:
Deferred royalty revenue	(327)
Other current liabilities	(772)
Supply chain adjustment	(117)
Gift card and loyalty liability	(1,186)
Lease liabilities	(17,220)
Deferred tax liability	(1,111)
Net assets acquired	16,194
Gain on acquisition, net of acquisition costs	(3,203)
Total consideration transferred	$ 12,991