LEASES - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 23,274	$ 25,637	$ 45,740	$ 50,431
Amortization of finance lease assets	109	21	218	48
Interest on finance leases	26	3	53	7
Short-term lease cost	14,018	11,892	30,739	26,110
Variable lease cost	1,007	167	2,049	1,036
Net lease cost	38,434	37,720	78,799	77,632
Net sales	$ 2,824,023	2,843,085	$ 5,898,951	5,567,760
Scenario, Adjustment
Lessee, Lease, Description [Line Items]
Operating lease cost		200		1,000
Variable lease cost		$ 200		$ 1,000