LEASE (FUTURE MINIMUM LEASE PAYMENTS TABLE) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
LEASES [ABSTRACT]
Operating Leases - Year 1		$ 47,379
Operating Leases - Year 2		36,045
Operating Leases - Year 3		30,678
Operating Leases - Year 4		26,584
Operating Leases - Year 5		17,226
Thereafter		25,362
Total minimum operating lease payments	$ 191,306	183,274
Less: Imputed Interest.	(34,237)
Operating leases - rolling Year 1	48,647
Operating leases - rolling Year 2	42,142
Operating leases - rolling Year 3	35,454
Operating leases - rolling Year 4	30,414
Operating leases - rolling Year 5	14,753
Operating leases - rolling Thereafter	19,896
Total lease liability payments due	157,069
Sub-lease income - Year 1		(2,624)
Sub-lease income - Year 2		(2,631)
Sub-lease income - Year 3		(276)
Sublease Income Total	(5,627)	(5,531)
Sub-lease income - rolling Year 1	(2,972)
Sub-lease income - rolling Year 2	(1,936)
Sub-lease income - rolling Year 3	(345)
Sub-lease income - rolling Year 4	(345)
Sub-lease income - rolling Year 5	(29)
Total minimum lease payments	18,936
Less: imputed interest	(299)
Total lease liability	18,637
Capital lease - Year 1		8,770
Capital lease - Year 2		5,548
Capital lease - Year 3		3,798
Capital lease - Year 4		1,005
Capital lease - Year 5		414
Total minimum lease payments		19,535
Total lease liability		$ 19,535
Finance leases - rolling Year 1	7,909
Finance leases - rolling Year 2	6,134
Finance leases - rolling Year 3	3,453
Finance leases - rolling Year 4	1,042
Finance leases - rolling Year 5	$ 398