XML 15 R54.htm IDEA: XBRL DOCUMENT v2.4.1.9
Fair Value Measurements (Schedule of Fair Value of Assets and Liabilities) (Details) (Fair Value [Member], USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Sep. 30, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Assets at Fair Value $ 242.9us-gaap_AssetsFairValueDisclosure $ 171.7us-gaap_AssetsFairValueDisclosure
Total Liabilities at Fair Value 144.4us-gaap_LiabilitiesFairValueDisclosure 85.9us-gaap_LiabilitiesFairValueDisclosure
Level 1 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Assets at Fair Value 0us-gaap_AssetsFairValueDisclosure
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Total Liabilities at Fair Value 0us-gaap_LiabilitiesFairValueDisclosure
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Level 2 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Assets at Fair Value 242.9us-gaap_AssetsFairValueDisclosure
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171.7us-gaap_AssetsFairValueDisclosure
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Total Liabilities at Fair Value 144.4us-gaap_LiabilitiesFairValueDisclosure
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85.9us-gaap_LiabilitiesFairValueDisclosure
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Level 3 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Assets at Fair Value 0us-gaap_AssetsFairValueDisclosure
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0us-gaap_AssetsFairValueDisclosure
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Total Liabilities at Fair Value 0us-gaap_LiabilitiesFairValueDisclosure
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Interest rate management contract [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets 103.4us-gaap_DerivativeAssets
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78.3us-gaap_DerivativeAssets
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Derivative liabilities 31.2us-gaap_DerivativeLiabilities
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19.1us-gaap_DerivativeLiabilities
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Interest rate management contract [Member] | Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets 0us-gaap_DerivativeAssets
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0us-gaap_DerivativeAssets
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Derivative liabilities 0us-gaap_DerivativeLiabilities
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0us-gaap_DerivativeLiabilities
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= us-gaap_FairValueInputsLevel1Member
Interest rate management contract [Member] | Level 2 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets 103.4us-gaap_DerivativeAssets
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ apd_FairValueByBalanceSheetGroupingAxis
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78.3us-gaap_DerivativeAssets
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Derivative liabilities 31.2us-gaap_DerivativeLiabilities
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19.1us-gaap_DerivativeLiabilities
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= us-gaap_FairValueInputsLevel2Member
Interest rate management contract [Member] | Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets 0us-gaap_DerivativeAssets
/ us-gaap_DerivativeInstrumentRiskAxis
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0us-gaap_DerivativeAssets
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Derivative liabilities 0us-gaap_DerivativeLiabilities
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0us-gaap_DerivativeLiabilities
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= us-gaap_FairValueInputsLevel3Member
Forward Exchange Contracts [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets 139.5us-gaap_DerivativeAssets
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93.4us-gaap_DerivativeAssets
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Derivative liabilities 113.2us-gaap_DerivativeLiabilities
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66.8us-gaap_DerivativeLiabilities
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Forward Exchange Contracts [Member] | Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets 0us-gaap_DerivativeAssets
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Derivative liabilities 0us-gaap_DerivativeLiabilities
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Forward Exchange Contracts [Member] | Level 2 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets 139.5us-gaap_DerivativeAssets
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93.4us-gaap_DerivativeAssets
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Derivative liabilities 113.2us-gaap_DerivativeLiabilities
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66.8us-gaap_DerivativeLiabilities
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Forward Exchange Contracts [Member] | Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative assets 0us-gaap_DerivativeAssets
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Derivative liabilities $ 0us-gaap_DerivativeLiabilities
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