Discontinued Operations - Operating Losses by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	$ (444)	$ 2,286	$ (594)	$ 4,748
Operating expenses	123	4,082	800	8,437
Operating loss from discontinued operations before taxes	(567)	(1,796)	(1,394)	(3,689)
Total termination gain related to the reorganization	(520)	0	(3,077)	0
Income (loss) from discontinued operations before taxes	(47)	(1,796)	1,683	(3,689)
Income tax (provision) benefit	7	186	(241)	373
Income (loss) from discontinued operations, net of tax	(40)	(1,610)	1,442	(3,316)
United States and Canada Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	30	1,503	215	3,017
Operating expenses	116	2,898	403	6,031
Operating loss from discontinued operations before taxes	(86)	(1,395)	(188)	(3,014)
Total termination gain related to the reorganization	(311)	0	(951)	0
Income (loss) from discontinued operations before taxes	225	(1,395)	763	(3,014)
Income tax (provision) benefit	(76)	66	35	171
Income (loss) from discontinued operations, net of tax	149	(1,329)	798	(2,843)
Latin America [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	(474)	783	(809)	1,731
Operating expenses	7	1,184	397	2,406
Operating loss from discontinued operations before taxes	(481)	(401)	(1,206)	(675)
Total termination gain related to the reorganization	(209)	0	(2,126)	0
Income (loss) from discontinued operations before taxes	(272)	(401)	920	(675)
Income tax (provision) benefit	83	120	(276)	202
Income (loss) from discontinued operations, net of tax	$ (189)	$ (281)	$ 644	$ (473)