REVENUES (Contract With Customer Asset And Liability) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Contract liabilities at the beginning of the period	$ 42,895	$ 25,015
Additions during the period	6,422	2,179
Revenue recognized during the period	(6,909)	(2,161)
Contract liabilities at the end of the period	$ 42,408	$ 25,033