Summarized Financial Information of Equity Affiliates (Narratives) (Details)
In Millions, unless otherwise specified |
1 Months Ended | 12 Months Ended | ||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
May 29, 2012
USD ($)
|
May 29, 2012
SAR
|
Sep. 30, 2012
USD ($)
|
Sep. 30, 2011
USD ($)
|
Sep. 30, 2010
USD ($)
|
Sep. 30, 2012
EquityMethodInvestmentsMember
USD ($)
|
Sep. 30, 2011
EquityMethodInvestmentsMember
USD ($)
|
Sep. 30, 2012
Abdullah Hashim Industrial Gas & Equipment Co. Ltd [Member]
|
May 29, 2012
Abdullah Hashim Industrial Gas & Equipment Co. Ltd [Member]
|
Sep. 30, 2012
Air Products South Africa (Proprietary) Limited [Member]
|
Sep. 30, 2012
Bangkok Cogeneration Company Limited [Member]
|
Sep. 30, 2012
Bangkok Industrial Gases Co., Ltd. [Member]
|
Sep. 30, 2012
Chengdu Air & Gas Products Ltd. [Member]
|
Sep. 30, 2012
Daido Air Products Electronics, Inc. [Member]
|
Sep. 30, 2012
Helap Sa [Member]
|
Sep. 30, 2012
High-Tech Gases (Beijing) Co., Ltd. [Member]
|
Sep. 30, 2012
INFRA Group [Member]
|
Sep. 30, 2012
INOX Air Products Limited [Member]
|
Sep. 30, 2012
Kulim Industrial Gases Sdn. Bhd. [Member]
|
Sep. 30, 2012
Sapio Produzione Idrogeno Ossigeno Srl [Member]
|
Sep. 30, 2012
SembCorp Air Products (HyCo) Pte. Ltd. [Member]
|
Sep. 30, 2012
Tecnologia En Nitrogeno S De Rl De Cv [Member]
|
Sep. 30, 2012
Tyczka Industrie-Gases GmbH [Member]
|
Sep. 30, 2012
WuXi Hi-Tech Gas Co., Ltd. [Member]
|
|
Schedule of Equity Method Investment [Line Items] | ||||||||||||||||||||||||
Payments to acquire interest in affiliates | $ 155.0 | 581.3 | ||||||||||||||||||||||
Investment in foreign affiliates | 1,171.0 | 972.5 | ||||||||||||||||||||||
Total goodwill associated with affiliate companies accounted for by equity method | 1,598.4 | 796.2 | 816.9 | 126.4 | 62.6 | |||||||||||||||||||
Ownership interest percentage acquired | 25.00% | 25.00% | 50.00% | 49.00% | 49.00% | 50.00% | 20.00% | 50.00% | 50.00% | 40.00% | 50.00% | 50.00% | 49.00% | 40.00% | 50.00% | 50.00% | 50.00% | |||||||
Dividends received from equity affiliates | $ 89.0 | $ 105.9 | $ 75.4 |