LEASES (NARRATIVE) (DETAILS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
LEASES [ABSTRACT]
Rent expense recognized, net, under operating leases	$ 39,500	$ 37,700	$ 33,200
Deferred rent liability	$ 15,256	$ 11,791