CONSOLIDATED CONDENSED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Total
Balance at Sep. 30, 2016	$ 11,140	$ 448,452	$ 4,289,807	$ (204)	$ (188,270)	$ 4,560,925
Balance (in shares) at Sep. 30, 2016	111,400,000					111,400,339
Balance (in shares) at Sep. 30, 2016					3,322,000
Increase (Decrease) in Shareholders' Equity
Net loss	$ 0	0	(105,680)	0	$ 0	$ (105,680)
Other comprehensive loss				(3,897)		(3,897)
Dividends declared ($2.10 per share)			(229,422)			(229,422)
Exercise of stock options	$ 36	13,950			$ (3,528)	10,458
Exercise of stock options (in shares)	355,000				51,000
Tax benefit of stock-based awards		4,121				4,121
Stock issued for vested restricted stock, net of shares withheld for employee taxes	$ 14	(7,539)			$ 1,677	(5,848)
Stock issued for vested restricted stock, net of shares withheld for employee taxes (in shares)	142,000				(57,000)
Stock-based compensation		19,247				19,247
Balance at Jun. 30, 2017	$ 11,190	478,231	3,954,705	(4,101)	$ (190,121)	$ 4,249,904
Balance (in shares) at Jun. 30, 2017	111,897,000					111,897,106
Balance (in shares) at Jun. 30, 2017					3,316,000
Balance at Mar. 31, 2017				2,433
Increase (Decrease) in Shareholders' Equity
Net loss						$ (21,799)
Other comprehensive loss						(6,534)
Balance at Jun. 30, 2017	$ 11,190	$ 478,231	$ 3,954,705	$ (4,101)	$ (190,121)	$ 4,249,904
Balance (in shares) at Jun. 30, 2017	111,897,000					111,897,106
Balance (in shares) at Jun. 30, 2017					3,316,000