GOODWILL AND OTHER INTANGIBLE ASSETS (Amortizable Other Intangible Assets) (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	$ 562,600,000		$ 562,600,000		$ 564,525,000
Accumulated Amortization	144,728,000		144,728,000		119,190,000
Net	417,872,000		417,872,000		445,335,000
Weighted Average Remaining Amortization Period (in years)			11 years 164 days		12 years 2 months 12 days
Total permits and other intangible assets, Cost	686,602,000		686,602,000		689,163,000
Total permits and other intangible assets, Net	541,874,000		541,874,000		569,973,000
Amortization of intangible assets	9,100,000	8,800,000	27,500,000	25,900,000
Trademarks and trade names
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Accumulated Amortization	0		0		0
Indefinite-lived intangible asset, cost	124,002,000		124,002,000		124,638,000
Permits
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	157,408,000		157,408,000		157,327,000
Accumulated Amortization	54,110,000		54,110,000		50,858,000
Net	103,298,000		103,298,000		106,469,000
Weighted Average Remaining Amortization Period (in years)			20 years 36 days		19 years 7 months 6 days
Customer and supplier relationships
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	373,478,000		373,478,000		377,899,000
Accumulated Amortization	72,201,000		72,201,000		52,814,000
Net	301,277,000		301,277,000		325,085,000
Weighted Average Remaining Amortization Period (in years)			11 years 80 days		12 years 1 month 6 days
Other intangible assets
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Cost	31,714,000		31,714,000		29,299,000
Accumulated Amortization	18,417,000		18,417,000		15,518,000
Net	$ 13,297,000		$ 13,297,000		$ 13,781,000
Weighted Average Remaining Amortization Period (in years)			2 years 347 days		3 years 3 months 18 days