Annual report pursuant to Section 13 and 15(d)

LEASE OBLIGATIONS (Narrative) (Details)

v2.4.1.9
LEASE OBLIGATIONS (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating Leased Assets [Line Items]      
Capital Leased Assets, Gross $ 92,700,000us-gaap_CapitalLeasedAssetsGross $ 404,000,000us-gaap_CapitalLeasedAssetsGross  
Asset Impairment Charges 9,029,900,000us-gaap_AssetImpairmentCharges 250,800,000us-gaap_AssetImpairmentCharges 1,049,900,000us-gaap_AssetImpairmentCharges
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation 18,100,000us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation 198,500,000us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation  
Operating lease expense 20,600,000us-gaap_LeaseAndRentalExpense 29,500,000us-gaap_LeaseAndRentalExpense 25,800,000us-gaap_LeaseAndRentalExpense
Assets Held under Capital Leases [Member]      
Operating Leased Assets [Line Items]      
Asset Impairment Charges $ 140.4us-gaap_AssetImpairmentCharges
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_AssetsHeldUnderCapitalLeasesMember