LEASES - Lease Cost (Details) $ in Thousands	3 Months Ended
	Mar. 30, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 5,296
Short-term lease cost	600
Total lease cost	5,896
Operating cash outflows from operating leases	6,046
ROU assets obtained in exchange for lease obligations	$ 1,236
Weighted average remaining lease term	10 years
Weighted average discount rate (percent)	3.90%