CONSOLIDATED CONDENSED STATEMENT OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock	Comprehensive Income
Balance at Sep. 30, 2012	$ 3,834,998	$ 10,760	$ 236,240	$ 3,505,295	$ 166,807	$ (84,104)
Balance (in shares) at Sep. 30, 2012						1,901,000
Balance (in shares) at Sep. 30, 2012	107,598,889	107,599,000
Comprehensive Income:
Net income	576,842			576,842			576,842
Other comprehensive income:
Change in value on available-for-sale securities, net of income taxes	(62,656)				(62,656)		(62,656)
Amortization of net periodic benefit costs-net of actuarial gain, net of income taxes	1,306				1,306		1,306
Comprehensive income	515,492						515,492
Cash dividends ($0.80 per share)	(85,607)			(85,607)
Exercise of stock options	6,118	80	14,573			(8,535)
Exercise of stock options (in shares)		795,000				162,000
Tax benefit of stock-based awards, including excess tax benefits of $11.0 million	8,229		8,229
Stock issued for vested restricted stock, net of shares withheld for employee taxes	(1,677)	8	(3,226)			1,541
Stock issued for vested restricted stock, net of shares withheld for employee taxes (in shares)		83,000				(41,000)
Stock-based compensation	17,471		17,471
Balance at Jun. 30, 2013	$ 4,295,024	$ 10,848	$ 273,287	$ 3,996,530	$ 105,457	$ (91,098)
Balance (in shares) at Jun. 30, 2013						2,022,000
Balance (in shares) at Jun. 30, 2013	108,476,709	108,477,000