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FIXED ASSETS, NET (Narrative) (Details) (USD $)	12 Months Ended
FIXED ASSETS, NET (Narrative) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Depreciation	$ 48,400,000us-gaap_Depreciation	$ 66,600,000us-gaap_Depreciation	$ 67,600,000us-gaap_Depreciation
Impairment of Long-Lived Assets Held-for-use	25,300,000
Asset impairment charges	26,624,000us-gaap_AssetImpairmentCharges	7,502,000us-gaap_AssetImpairmentCharges	0us-gaap_AssetImpairmentCharges
Cost of revenue \| Equipment Deposits [Member]
Property, Plant and Equipment [Line Items]
Asset impairment charges	$ 1,300,000

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References+ Details