GOODWILL AND INTANGIBLE ASSETS, NET (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Intangible Assets, Net
Impairment of intangible assets	$ 0	$ 0	$ 0
Gross carrying amount	338,497,000	333,033,000
Accumulated amortization	(93,251,000)	(56,871,000)
Net book value	245,246,000	276,162,000
Amortization expense for definite lived intangible assets	37,680,000	28,176,000	5,030,000
2015	39,400,000
2016	34,200,000
2017	30,000,000
2018	26,100,000
2019	23,000,000
Trademarks
Intangible Assets, Net
Gross carrying amount	13,889,000	12,249,000
Accumulated amortization	(5,016,000)	(4,534,000)
Net book value	8,873,000	7,715,000
Trademarks | Weighted average
Intangible Assets, Net
Customer relationship	13 years
Customer-related intangible assets
Intangible Assets, Net
Gross carrying amount	289,308,000	284,484,000
Accumulated amortization	(79,606,000)	(44,208,000)
Net book value	209,702,000	240,276,000
Customer-related intangible assets | Weighted average
Intangible Assets, Net
Customer relationship	10 years
Operating agreement
Intangible Assets, Net
Gross carrying amount	35,000,000	35,000,000
Accumulated amortization	(8,604,000)	(6,854,000)
Net book value	26,396,000	28,146,000
Operating agreement | Weighted average
Intangible Assets, Net
Customer relationship	20 years
Non-compete agreement
Intangible Assets, Net
Gross carrying amount	0	1,300,000
Accumulated amortization	0	(1,275,000)
Net book value	0	25,000
Non-compete agreement | Weighted average
Intangible Assets, Net
Customer relationship	4 years
Intellectual property
Intangible Assets, Net
Gross carrying amount	300,000	0
Accumulated amortization	(25,000)	0
Net book value	$ 275,000	$ 0
Intellectual property | Weighted average
Intangible Assets, Net
Customer relationship	10 years