LEASES - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Dec. 29, 2018
Lessee, Lease, Description [Line Items]
Operating lease long-term liabilities	$ 78,790	$ 0
Total lease liabilities	93,424
Other assets
Lessee, Lease, Description [Line Items]
Operating lease assets	80,715
Accrued expenses
Lessee, Lease, Description [Line Items]
Operating lease short-term liabilities	14,634
Operating lease liabilities
Lessee, Lease, Description [Line Items]
Operating lease long-term liabilities	$ 78,790