LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 69,627	$ 74,988
Operating cash flows from finance leases	77	22
Financing cash flows from finance leases	367	111
Operating lease assets obtained in exchange for operating lease liabilities	42,986	24,290
Finance lease assets obtained in exchange for finance lease liabilities	$ 0	$ 1,435