v3.21.2

VARIABLE INTEREST ENTITY (Details) $ in Thousands		1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 18, 2018	Dec. 29, 2019	Jul. 04, 2021 USD ($)	Jun. 28, 2020 USD ($)	Jul. 04, 2021 USD ($) agreement	Jun. 28, 2020 USD ($)	Jan. 03, 2021 USD ($)
Variable Interest Entities
Number of installment agreements with franchisees | agreement					1
Net income (loss)			$ 16,430	$ (6,199)	$ 17,127	$ 7,112
Net income (loss) attributable to noncontrolling interest			644	$ 53	542	(343)
Non-controlling interest			736		736		$ 1,278
Property, equipment and leasehold improvements, net			31,112		31,112		32,389
Operating lease right-of-use assets			60,787		60,787		61,634
Inventory			2,433		2,433		$ 2,271
Mercury
Variable Interest Entities
Ownership percentage in VIE	20.00%	20.00%
Clark | Mercury
Variable Interest Entities
Ownership percentage	80.00%
Mercury
Variable Interest Entities
Net income (loss)					678	$ (429)
Property, equipment and leasehold improvements, net			2,800		2,800
Operating lease right-of-use assets			1,800		1,800
Inventory			$ 111		$ 111

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