LEASES (Details) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 29, 2019 USD ($) item	Dec. 30, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Number of asset classes	3
Number of leases with contingent provisions, concessions, or restrictive covenants	0
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Lessee, Operating Lease, Existence of Option to Terminate [true false]	true
Lease, Practical Expedient, Lessor Single Lease Component [true false]	true
Number of parking lot leases	1
Tenure for certain lease contracts		8 years
Number of financing leases	1
Financing lease payments | $	$ 1.0	$ 1.1
Remaining finance lease term	6 years
Minimum
Lessee, Lease, Description [Line Items]
Remaining operating lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining operating lease term	9 years
Parking Lot
Lessee, Lease, Description [Line Items]
Remaining operating lease term	43 years