LEASES - Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities - operating cash flows	$ 11,556	$ 10,641
Right-of-use assets obtained in exchange for new operating leases - non-cash activity	$ 253	$ 7,837