CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - 9 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	COMMON STOCK [Member]	CAPITAL INEXCESS OFPAR VALUE [Member]	RETAINED EARNINGS [Member]	TREASURY SHARES [Member]	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) [Member]	DEFERRED COMPENSATION [Member]
Stock Repurchased During Period, Shares	3,840,455,000
Balance at Sep. 30, 2014	$ 532,027	$ 19,621	$ 506,090	$ 427,913	$ (354,216)	$ (30,064)	$ (37,317)
Balance (in Shares) at Sep. 30, 2014		78,484,000			25,335,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	23,486			23,486
Dividend	(5,807)			(5,807)
Tax effect from exercise/vesting of equity awards, net	345		345
Amortization of deferred compensation	2,088						2,088
Common stock issued (shares)		56,000
Common stock issued	371	$ 14	357
Common stock acquired	(58,218)				$ (58,218)
Common stock acquired (in Shares)					3,917,000
Common stock issued for equity awards, net	(159)	$ 137	(296)
Stock grants and equity awards, net (in Shares)		549,000
ESOP allocation of common stock	651		651
Stock-based compensation	8,303		8,303
Other comprehensive loss, net of tax	(40,839)					(40,839)
Balance at Jun. 30, 2015	$ 462,248	$ 19,772	$ 515,450	$ 445,592	$ (412,434)	$ (70,903)	$ (35,229)
Balance (in Shares) at Jun. 30, 2015		79,089,000			29,252,000