NATURE OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES - ASU 2016-02 (Details) $ in Thousands	12 Months Ended
	Dec. 29, 2019 USD ($) Options
Leases
Operating lease liability | $	$ 30,957
Operating lease, renewal term	5 years
Lease, Practical Expedients, Package [true false]	true
Lease, Practical Expedient, Land Easement [true false]	true
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Lease, Practical Expedient, Use of Hindsight [true false]	false
Minimum
Leases
Operating lease, term	5 years
Number of renewal options | Options	1
Operating lease, remaining lease term	1 year
Maximum
Leases
Operating lease, term	20 years
Operating lease, remaining lease term	20 years