CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (unaudited) (USD $) In Thousands, unless otherwise specified	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total Stockholders' Equity [Member]	Noncontrolling Interests [Member]	Total	Comprehensive Income [Member]
Balance at Sep. 30, 2011	$ 281	$ 281,686	$ (48,032)	$ (98,954)	$ (14,613)	$ 120,368	$ 37,360	$ 157,728
Increase (Decrease) Equity [Roll Forward]
Net income (loss)	0	0	28,112	0	0	28,112	384	28,496	28,496
Issuance of common shares	9	2,255	0	0	0	2,264	0	2,264
Treasury shares issued	0	(217)	0	457	0	240	0	240
Stock-based compensation	0	1,054	0	0	0	1,054	0	1,054
Repurchases of common stock	0	0	0	(2,142)	0	(2,142)	0	(2,142)
Cash dividends	0	0	(1,720)	0	0	(1,720)	0	(1,720)
Contribution	0	0	0	0	0	0	85	85
Distribution	0	0	0	0	0	0	(80)	(80)
Deconsolidation of LEAF (see Note 1)	0	(709)	0	0	0	(709)	(37,553)	(38,262)
Other comprehensive income	0	0	0	0	889	889	49	938	938
Balance at Jun. 30, 2012	$ 290	$ 284,069	$ (21,640)	$ (100,639)	$ (13,724)	$ 148,356	$ 245	$ 148,601	$ 29,434