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DEBT - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 27, 2022	Mar. 08, 2022	Dec. 26, 2021	Dec. 15, 2021	Oct. 01, 2021	Jul. 22, 2021	Apr. 26, 2021	Jun. 19, 2019
Debt Instrument [Line Items]
Principal amount	$ 946.2
Increase in interest rate on debt	1.00%
Common stock, par value (in dollars per share)	$ 0.0001		$ 0.0001
Elevation Burger
Debt Instrument [Line Items]
Principal amount								$ 7.5
Interest rate								6.00%
Common stock, par value (in dollars per share)								$ 12.00
2021 FB Royalty Securitization
Debt Instrument [Line Items]
Principal amount							$ 144.5
2021 GFG Royalty Securitization
Debt Instrument [Line Items]
Principal amount						$ 350.0
2021 Twin Peaks Securitization
Debt Instrument [Line Items]
Principal amount					$ 250.0
2021 Fazoli's/Native Securitization
Debt Instrument [Line Items]
Principal amount				$ 193.8
Elevation note
Debt Instrument [Line Items]
Principal amount	$ 7.5
Interest rate	6.00%
Effective interest rate percentage	11.40%
Equipment note
Debt Instrument [Line Items]
Principal amount	$ 0.5	$ 0.5
Interest rate	8.49%	8.49%