Consolidated Statement of Changes in Shareholder's Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Balance, at Sep. 30, 2008	$ 344	$ 491,175	$ 11,730	$ (156,583)	$ 346,666
Net income				(4,202)	(4,202)
Foreign currency translation adjustment			(30,135)		(30,135)
Comprehensive loss					(34,337)
Convertible debt converted		251			251
Cash settlement of restricted shares		(75)			(75)
Restricted stock expense		521			521
Stock option expense		2,439			2,439
Balance, at Sep. 30, 2009	344	494,311	(18,405)	(160,785)	315,465
Net income				(6,339)	(6,339)
Foreign currency translation adjustment			(14,976)		(14,976)
Comprehensive loss					(21,315)
Cash settlement of restricted shares		(144)			(144)
Restricted stock liability reclass		(240)			(240)
Restricted stock expense		349			349
Stock option expense		1,506			1,506
Difference between compensation and change in liability for restricted stock awards		138			138
Cumulative effect of change in accounting principle		(15,618)		12,557	(3,061)
Balance, at Sep. 30, 2010	344	480,302	(33,381)	(154,567)	292,698
Net income				(3,574)	(3,574)
Foreign currency translation adjustment			(8,168)		(8,168)
Comprehensive loss					(11,742)
Cash settlement of options		(23)			(23)
Stock option expense		399			399
Difference between compensation and change in liability for restricted stock awards		215			215
Balance, at Sep. 30, 2011	$ 344	$ 480,893	$ (41,549)	$ (158,141)	$ 281,547