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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

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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