GOODWILL AND OTHER INTANGIBLE ASSETS (Amortizable Other Intangible Assets) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	$ 603,758	$ 599,317
Accumulated Amortization	243,902	223,219
Net	$ 359,856	$ 376,098
Weighted Average Remaining Amortization Period (in years)	14 years 165 days	13 years 9 months 40 days
Total permits and other intangible assets, Cost	$ 726,730	$ 721,940
Total permits and other intangible assets, Net	482,828	498,721
Trademarks and trade names
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Trademarks and trade names	122,972	122,623
Permits
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	173,174	171,637
Accumulated Amortization	70,698	67,301
Net	$ 102,476	$ 104,336
Weighted Average Remaining Amortization Period (in years)	21 years 130 days	18 years 9 months 40 days
Customer and supplier relationships
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	$ 395,911	$ 393,426
Accumulated Amortization	143,038	127,462
Net	$ 252,873	$ 265,964
Weighted Average Remaining Amortization Period (in years)	11 years 340 days	12 years 2 months
Other intangible assets
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	$ 34,673	$ 34,254
Accumulated Amortization	30,166	28,456
Net	$ 4,507	$ 5,798
Weighted Average Remaining Amortization Period (in years)	7 years 175 days	7 years 1 month