CONSOLIDATED CONDENSED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income.	Treasury Stock	Total
Balance at Sep. 30, 2015	$ 11,099	$ 420,141	$ 4,648,346	$ (1,377)	$ (182,363)	$ 4,895,846
Balance (in shares) at Sep. 30, 2015	110,987,000					110,987,546
Balance (in shares) at Sep. 30, 2015					3,220,000
Increase (Decrease) in Shareholders' Equity
Net income			37,207			$ 37,207
Other comprehensive loss				(11,837)		(11,837)
Dividends declared ($1.375 per share)			(149,506)			(149,506)
Exercise of stock options, net of tax withholding	$ 18	5,583			$ (5,800)	(199)
Exercise of stock options, net of tax withholding (in shares)	179,000				97,000
Tax benefit of stock-based awards		219				219
Stock issued for vested restricted stock, net of shares withheld for employee taxes	$ 19	(3,813)			$ 177	(3,617)
Stock issued for vested restricted stock, net of shares withheld for employee taxes (in shares)	190,000				1,000
Stock-based compensation		13,987				13,987
Balance at Mar. 31, 2016	$ 11,136	436,117	4,536,047	(13,214)	$ (187,986)	$ 4,782,100
Balance (in shares) at Mar. 31, 2016	111,356,000					111,356,865
Balance (in shares) at Mar. 31, 2016					3,318,000
Balance at Dec. 31, 2015				(12,074)
Increase (Decrease) in Shareholders' Equity
Net income						$ 21,205
Other comprehensive loss						(1,140)
Balance at Mar. 31, 2016	$ 11,136	$ 436,117	$ 4,536,047	$ (13,214)	$ (187,986)	$ 4,782,100
Balance (in shares) at Mar. 31, 2016	111,356,000					111,356,865
Balance (in shares) at Mar. 31, 2016					3,318,000