GOODWILL AND OTHER INTANGIBLE ASSETS (Amortizable Other Intangible Assets) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	$ 575,831	$ 567,678
Accumulated Amortization	206,550	183,186
Net	$ 369,281	$ 384,492
Weighted Average Remaining Amortization Period (in years)	9 years 3 months 4 days	10 years
Total permits and other intangible assets, Cost	$ 698,774	$ 690,004
Total permits and other intangible assets, Net	492,224	506,818
Trademarks and trade names
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Trademarks and trade names	122,943	122,326
Permits
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	162,611	161,396
Accumulated Amortization	64,533	61,142
Net	$ 98,078	$ 100,254
Weighted Average Remaining Amortization Period (in years)	20 years 7 months 50 days	19 years
Customer and supplier relationships
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	$ 379,236	$ 374,866
Accumulated Amortization	115,500	99,463
Net	$ 263,736	$ 275,403
Weighted Average Remaining Amortization Period (in years)	9 years 6 months	10 years 30 days
Other intangible assets
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	$ 33,984	$ 31,416
Accumulated Amortization	26,517	22,581
Net	$ 7,467	$ 8,835
Weighted Average Remaining Amortization Period (in years)	1 year 2 months	1 year 6 months