Supplemental Information	9 Months Ended
Jun. 30, 2012
Supplemental Information [Abstract]
Supplemental Information	18. SUPPLEMENTAL INFORMATION Debt Issuance On 3 November 2011, we issued a $400.0 senior fixed-rate 3.0% note that matures 3 November 2021. Share Repurchase Program On 15 September 2011, the Board of Directors authorized the repurchase of up to $1,000 of our outstanding common stock. We repurchase shares pursuant to Rules 10b5-1 and 10b-18 under the Securities Exchange Act of 1934, as amended, through repurchase agreements established with several brokers. During the first nine months of fiscal year 2012, we purchased .6 million of our outstanding shares at a cost of $53.1. At 30 June 2012, $946.9 in share repurchase authorization remains. Purchase of Interest in Equity Affiliate On 29 May 2012, we acquired 25% of the outstanding shares of Abdullah Hashim Industrial Gases & Equipment Co. Ltd. (AHG) for SAR581.3 ($155). AHG is a company of the privately-owned Abdullah Hashim Group, based in the Kingdom of Saudi Arabia. AHG is the largest private industrial gases company in Saudi Arabia. It is comprised of three businesses, including industrial gases, equipment and consumables and refrigerants. The transaction was recorded as an investment in net assets of and advances to equity affiliates in the Merchant Gases segment.

Supplemental Information

9 Months Ended

Jun. 30, 2012

18. SUPPLEMENTAL INFORMATION

Debt Issuance

On 3 November 2011, we issued a $400.0 senior fixed-rate 3.0% note that matures 3 November 2021.

Share Repurchase Program

On 15 September 2011, the Board of Directors authorized the repurchase of up to $1,000 of our outstanding common stock. We repurchase shares pursuant to Rules 10b5-1 and 10b-18 under the Securities Exchange Act of 1934, as amended, through repurchase agreements established with several brokers. During the first nine months of fiscal year 2012, we purchased .6 million of our outstanding shares at a cost of $53.1. At 30 June 2012, $946.9 in share repurchase authorization remains.

Purchase of Interest in Equity Affiliate

On 29 May 2012, we acquired 25% of the outstanding shares of Abdullah Hashim Industrial Gases & Equipment Co. Ltd. (AHG) for SAR581.3 ($155). AHG is a company of the privately-owned Abdullah Hashim Group, based in the Kingdom of Saudi Arabia. AHG is the largest private industrial gases company in Saudi Arabia. It is comprised of three businesses, including industrial gases, equipment and consumables and refrigerants. The transaction was recorded as an investment in net assets of and advances to equity affiliates in the Merchant Gases segment.