Stock-Based Compensation Plans (Tables)

12 Months Ended

Sep. 30, 2011

Fair Value Assumptions

		Stock-Settled SARs Granted									Cash-Settled SARs Outstanding
		[Fair Value at Grant Date]									[Fair Value at Year End]
		2011			2010			2009			2011			2010		2009
Expected term		6.0 years			6.1 years			7.0 years			5.0 years			6.0 years		n/a
Expected stock price volatility		30.0	%		30.4	%		30.5	%		30.0	%		30.0	%	n/a
Risk-free interest rate		1.74	%		2.07	%		2.70	%		0.96	%		1.58	%	n/a
Expected dividends		0	%		0	%		0	%		0	%		0	%	n/a
Fair value (per right)	$	20.26		$	19.19		$	22.68		$	30.27		$	19.16		n/a

Stock Option Activity

				Weighted	Weighted
				Average	Average
	Shares			Exercise	Remaining		Aggregate
	Under			Price	Contractual		Intrinsic
	Option			Per Share	Term		Value
Outstanding at September 30, 2010	743,526		$	29.62
Granted	-			-
Exercised	(268,902	)		28.52
Forfeited	-			-
Outstanding at September 30, 2011	474,624			30.24	2.0 years	$	22.1

Summary Of Restricted Stock Awards Activity

				Weighted
				Average
				Grant Date
				Fair Value
	Number			Per Share
Nonvested at September 30, 2010	436,765		$	53.25
Granted	766			65.23
Vested	(84,521	)		49.88
Forfeited	(12,500	)		56.27
Nonvested at September 30, 2011	340,510			54.00

Stock-Settled Stock Appreciation Rights [Member]

Stock Appreciation Rights Activity

				Weighted	Weighted
	Stock-Settled			Average	Average
	Stock			Exercise	Remaining		Aggregate
	Appreciation			Price	Contractual		Intrinsic
	Rights			Per Share	Term		Value
Outstanding at September 30, 2010	2,737,553		$	55.58
Granted	35,000			62.41
Exercised	(128,206	)		51.85
Forfeited	(53,001	)		59.85
Outstanding at September 30, 2011	2,591,346			55.77	7.0 years	$	54.3
Vested and expected to vest
as of September 30, 2011	2,559,441			55.72	7.0 years		53.7
Exercisable at September 30, 2011	1,172,833			51.81	5.5 years		29.2

Cash-Settled Stock Appreciation Rights [Member]

Stock Appreciation Rights Activity

				Weighted	Weighted
	Cash-Settled			Average	Average
	Stock			Exercise	Remaining		Aggregate
	Appreciation			Price	Contractual		Intrinsic
	Rights			Per Share	Term		Value
Outstanding at September 30, 2010	51,000		$	57.45
Granted	-			-
Exercised	(1,500	)		57.45
Forfeited	(2,000	)		57.45
Outstanding at September 30, 2011	47,500			57.45	8.6 years	$	914.9
Vested and expected to vest
as of September 30, 2011	44,965			57.45	8.6 years		866.0
Exercisable at September 30, 2011	2,000			57.45	0.2 years		38.5