LEASES - Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 29, 2019
Lessee, Lease, Description [Line Items]
Operating Leases	$ 283,420	$ 301,621
Finance Leases	1,783	2,150
Accrued expenses and other current liabilities
Lessee, Lease, Description [Line Items]
Operating Leases	67,496	66,239
Finance Leases	0	0
Current maturities of long-term debt
Lessee, Lease, Description [Line Items]
Operating Leases	0	0
Finance Leases	432	486
Noncurrent operating lease liability, less current maturities
Lessee, Lease, Description [Line Items]
Operating Leases	215,924	235,382
Finance Leases	0	0
Long-term debt, less current maturities
Lessee, Lease, Description [Line Items]
Operating Leases	0	0
Finance Leases	$ 1,351	$ 1,664