Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Details)

v2.4.1.9
Fair Value of Financial Instruments (Details) (USD $)
Nov. 30, 2014
Jun. 06, 2014
Feb. 28, 2014
Nov. 30, 2013
Jun. 07, 2013
Feb. 28, 2013
Assets:            
Cash and cash investments $ 67,300,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 308,000,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 63,900,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 65,200,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 232,000,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 331,500,000us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts receivable, net 701,300,000us-gaap_ReceivablesNetCurrent   626,200,000us-gaap_ReceivablesNetCurrent      
Liabilities:            
Notes payable to banks 100,300,000us-gaap_NotesPayableToBankCurrent   57,200,000us-gaap_NotesPayableToBankCurrent      
Accounts payable 445,900,000us-gaap_AccountsPayableCurrent   295,200,000us-gaap_AccountsPayableCurrent      
Long-term debt, including current portion 7,218,500,000us-gaap_LongTermDebt   6,963,300,000us-gaap_LongTermDebt      
Carrying Amount [Member]            
Assets:            
Cash and cash investments 67,300,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  63,900,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Accounts receivable, net 701,300,000us-gaap_ReceivablesNetCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  626,200,000us-gaap_ReceivablesNetCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Available-for-sale debt securities 8,300,000us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  8,800,000us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Foreign currency contracts 23,300,000us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  18,900,000us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Interest rate swap contracts 4,200,000us-gaap_InterestRateDerivativeAssetsAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  4,400,000us-gaap_InterestRateDerivativeAssetsAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Commodity swap contracts 1,900,000us-gaap_PriceRiskDerivativeAssetsAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  1,500,000us-gaap_PriceRiskDerivativeAssetsAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Liabilities:            
Notes payable to banks 100,300,000us-gaap_NotesPayableToBankCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  57,200,000us-gaap_NotesPayableToBankCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Accounts payable 445,900,000us-gaap_AccountsPayableCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  295,200,000us-gaap_AccountsPayableCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Long-term debt, including current portion 7,218,500,000us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  6,963,300,000us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Foreign currency contracts 28,300,000us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  4,800,000us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Interest rate swap contracts 27,300,000us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  32,900,000us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Commodity swap contracts 24,300,000us-gaap_PriceRiskDerivativeLiabilitiesAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
  500,000us-gaap_PriceRiskDerivativeLiabilitiesAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Fair Value [Member]            
Assets:            
Cash and cash investments 67,300,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  63,900,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Accounts receivable, net 701,300,000us-gaap_ReceivablesNetCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  626,200,000us-gaap_ReceivablesNetCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Available-for-sale debt securities 8,300,000us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  8,800,000us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Foreign currency contracts 23,300,000us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  18,900,000us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Interest rate swap contracts 4,200,000us-gaap_InterestRateDerivativeAssetsAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  4,400,000us-gaap_InterestRateDerivativeAssetsAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Commodity swap contracts 1,900,000us-gaap_PriceRiskDerivativeAssetsAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  1,500,000us-gaap_PriceRiskDerivativeAssetsAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Liabilities:            
Notes payable to banks 100,300,000us-gaap_NotesPayableToBankCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  57,200,000us-gaap_NotesPayableToBankCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Accounts payable 445,900,000us-gaap_AccountsPayableCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  295,200,000us-gaap_AccountsPayableCurrent
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Long-term debt, including current portion 7,238,800,000us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  7,140,800,000us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Foreign currency contracts 28,300,000us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  4,800,000us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Interest rate swap contracts 27,300,000us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  32,900,000us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
     
Commodity swap contracts $ 24,300,000us-gaap_PriceRiskDerivativeLiabilitiesAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
  $ 500,000us-gaap_PriceRiskDerivativeLiabilitiesAtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember