Note 16 - Employee Benefit Plans (Detail) - SIP Activity (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2010
Shares Outstanding		15,245
Weighted Average Exercise Price Outstanding (in Dollars per share)		$ 18.85
Weighted Average Remaining Contractual Term Outstanding	6 years
Vested and expected to vest	11,932
Vested and expected to vest (in Dollars per share)	$ 18.15
Vested and expected to vest	5 years 328 days
Vested and expected to vest (in Dollars)	$ 5.3
Exercisable at end of period	7,320
Exercisable at end of period (in Dollars per share)	$ 19.59
Exercisable at end of period	4 years 328 days
Exercisable at end of period (in Dollars)	3.6
Granted	294
Granted (in Dollars per share)	$ 16.21
Exercised	(827)
Exercised (in Dollars per share)	$ 12.04
Forfeited	(683)
Forfeited (in Dollars per share)	$ 16.45
Expired	(1,912)
Expired (in Dollars per share)	$ 26.86
Shares Outstanding	12,117	15,245
Weighted Average Exercise Price Outstanding (in Dollars per share)	$ 18.12	$ 18.85
Weighted Average Remaining Contractual Term Outstanding	6 years
Aggregate Intrinsic Value Outstanding (in Dollars)	$ 5.3