Stock-Based Compensation (Tables)

12 Months Ended

Sep. 30, 2012

Share-based Compensation [Abstract]

Summary of nonvested stock and stock unit award activity

Nonvested stock and stock unit award activity was as follows:

(shares in thousands)	Shares		Weighted- Average Grant-Date Fair Value
Nonvested balance at September 30, 2011	1,085		$	114.57
Granted	1,099		106.76
Vested	(810	)	110.85
Forfeited/canceled	(47	)	110.91
Nonvested Balance at September 30, 2012	1,327		$	110.50

Summary of stock option activity

Stock option activity was as follows:

(shares in thousands, aggregate intrinsic value in millions)	Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value
Outstanding at September 30, 2011	1,369		$	38.69
Granted	22		38.55
Exercised	(787	)	35.60
Expired/canceled	(4	)	36.08
Outstanding and Exercisable at September 30, 2012	600		$	41.33	0.8	$	50.2