LEASES - Summary of Operating Lease Right of Use Assets and Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 26, 2022	Dec. 26, 2021
Lessor, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 95,497	$ 98,552
Corporate Offices and For Certain Restaurant Properties
Lessor, Lease, Description [Line Items]
Operating lease right-of-use assets	100,000	103,200
Operating lease liabilities	109,100	112,000
Corporate Offices and For Certain Restaurant Properties | Continuing operations
Lessor, Lease, Description [Line Items]
Operating lease right-of-use assets	95,500	98,600
Operating lease liabilities	104,500	107,300
Corporate Offices and For Certain Restaurant Properties | Held for sale
Lessor, Lease, Description [Line Items]
Operating lease right-of-use assets	4,500	4,700
Operating lease liabilities	$ 4,600	$ 4,800