COMMITMENTS AND CONTINGENCIES (Leases) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]
Lease terms range minimum	1 year
Lease terms range maximum	20 years
2015 total capital leases	$ 560,000
2016 total capital leases	0
2017 total capital leases	0
2018 total capital leases	0
2019 total capital leases	0
Thereafter total capital leases	0
Total minimum lease payments total capital leases	560,000
Less: imputed interest at interest rates ranging from 4.0% to 16.0%	24,000
Present value of future minimum lease payments	536,000
Less: current portion of capital lease obligations	536,000	1,329,000
Long-term capital lease obligations	0	1,435,000
2015 total operating leases	40,398,000
2016 total operating leases	30,835,000
2017 total operating leases	23,564,000
2018 total operating leases	16,255,000
2019 total operating leases	12,748,000
Thereafter total operating leases	22,893,000
Total minimum lease payments total operating leases	146,693,000
Imputed interest minimum	4.00%
Imputed interest rate maximum	16.00%
Operating leases, rent expense, net	$ 129,600,000	$ 124,400,000	$ 102,900,000