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DEBT AND FINANCING ARRANGEMENTS (Details) (Letter of Credit Facility [Member], USD $)
Mar. 31, 2015
Mar. 30, 2015
Letter of Credit Facility [Member]
   
Line of Credit Facility [Line Items]    
Maximum capacity $ 500,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LetterOfCreditMember
$ 750,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LetterOfCreditMember
Letters of credit outstanding $ 354,000,000us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_LetterOfCreditMember