Employee Benefit Plans (Tables)

12 Months Ended

Sep. 30, 2011

Employee Benefit Plans [Abstract]

Summarized information related to activity under the Company's Stock Incentive Plan

	Year Ended September 30,
	2011					2010					2009
				Weighted					Weighted					Weighted
				Average					Average					Average
				Exercise					Exercise					Exercise
	Options			Price		Options			Price		Options			Price
Stock Options
Outstanding at beginning of year		17,658,872		$	14.87		19,479,417		$	14.31		15,623,148		$	16.19
Granted		6,172,500			9.97		—			—		6,115,000			9.03
Exercised		(303,535	)		8.36		(1,234,396	)		5.36		(665,357	)		4.90
Canceled or expired		(821,874	)		14.92		(586,149	)		16.27		(1,593,374	)		16.34
Outstanding at end of year		22,705,963		$	13.63		17,658,872		$	14.87		19,479,417		$	14.31
Exercisable at end of year		7,540,704		$	16.53		6,143,532		$	16.76		5,410,674		$	15.49

Weighted average assumptions of stock options

	Year Ended September 30,
	2011			2010		2009
Risk free interest rate		1.26	%		—		2.50	%
Expected life (in years)		6.46			—		7.74
Expected volatility		46.40	%		—		45.36	%
Expected dividend yield		1.50	%		—		1.66	%