Shareholders' Equity (Tables)

6 Months Ended

Mar. 31, 2018

Accelerated Share Repurchase Activity and Related Information

The following table shows the Company’s ASR activity and related information during the six months ended March 31, 2018 and the year ended September 30, 2017:



	Purchase Period End Date	Number of Shares (in thousands)		Average Repurchase Price Per Share		ASR Amount (in millions)
November 2017 ASR	February 2018	29,269	⁽¹⁾	$	170.84	$	5,000
August 2017 ASR	November 2017	18,887		$	158.84	$	3,000
May 2017 ASR	August 2017	20,108		$	149.20	$	3,000
February 2017 ASR	May 2017	20,949		$	143.20	$	3,000
November 2016 ASR	February 2017	51,157		$	117.29	$	6,000
August 2016 ASR	November 2016	26,850		$	111.73	$	3,000


(1)	Includes 23.6 million shares delivered and retired at the beginning of the purchase period, which began in the first quarter of 2018, and 5.7 million shares delivered and retired at the end of the purchase period, which concluded in the second quarter of 2018.

Repurchases of Common Shares in the Open Market

Additionally, the Company repurchased shares of its common stock in the open market, which were retired upon repurchase, during the periods presented as follows:



	Number of Shares (in thousands)	Average Repurchase Price Per Share		Amount (in millions)
2018:
Second quarter	137,040	$	171.48	$	23,500
First quarter	30,181	$	169.26	5,109
Total open market common stock repurchases	167,221			$	28,609

2017:
Fourth quarter	29,073	$	154.78	$	4,500
Third quarter	30,356	$	148.24	4,500
Second quarter	31,070	$	128.74	4,001
First quarter	44,333	$	112.78	5,000
Total open market common stock repurchases	134,832			$	18,001