CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	COMMON STOCK [Member]	CAPITAL INEXCESS OFPAR VALUE [Member]	RETAINED EARNINGS [Member]	TREASURY SHARES [Member]	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) [Member]	DEFERRED COMPENSATION [Member]
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	12,593			12,593
Dividend	(3,911)			(3,911)
Tax effect from exercise/vesting of equity awards, net	345		345
Amortization of deferred compensation	1,391						1,391
Common stock issued (shares)		51,000
Common stock issued	285	13	272
Common stock acquired	(37,577)				(37,577)
Common stock acquired (in Shares)					2,683,000
Common stock issued for equity awards, net	(18)	132	(150)
Stock grants and equity awards, net (in Shares)		528,000
ESOP allocation of common stock	327		327
Stock-based compensation	5,372		5,372
Other comprehensive loss, net of tax	(46,202)					(46,202)
Balance at Mar. 31, 2015	$ 464,632	$ 19,766	$ 512,256	$ 436,595	$ (391,793)	$ (76,266)	$ (35,926)
Balance (in Shares) at Mar. 31, 2015		79,063,000			28,018,000