GOODWILL AND OTHER INTANGIBLE ASSETS - Amortizable Other Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	$ 603,924	$ 624,262
Accumulated Amortization	319,140	328,130
Net	284,784	296,132
Total permits and other intangible assets, Cost	726,021	747,196
Total permits and other intangible assets, Net	406,881	419,066
Trademarks and trade names
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Trademarks and trade names	122,097	122,934
Permits
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	181,095	184,235
Accumulated Amortization	87,790	87,228
Net	93,305	97,007
Customer and supplier relationships
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	386,197	401,696
Accumulated Amortization	199,915	207,884
Net	186,282	193,812
Other intangible assets
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	36,632	38,331
Accumulated Amortization	31,435	33,018
Net	$ 5,197	$ 5,313