Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2012
Revenues
Consolidated Revenues	$ 98,441	$ 106,427
Income (loss) from operations
Income from operation	6,006	7,327
Depreciation and amortization
Consolidated Depreciation and amortization	5,722	6,293
Net income (loss)
Consolidated Net income (loss)	3,562	4,479
Goodwill
Goodwill	20,579	20,579	20,579
Assets
Total assets	251,141	264,256	268,158
Postsecondary education [Member]
Revenues
Consolidated Revenues	95,920	104,153
Income (loss) from operations
Income from operation	6,656	7,811
Depreciation and amortization
Consolidated Depreciation and amortization	5,621	6,172
Net income (loss)
Consolidated Net income (loss)	3,933	4,750
Goodwill
Goodwill	20,579	20,579
Assets
Total assets	244,341	261,846
Other [Member]
Revenues
Consolidated Revenues	2,521	2,274
Income (loss) from operations
Income from operation	(650)	(484)
Depreciation and amortization
Consolidated Depreciation and amortization	101	121
Net income (loss)
Consolidated Net income (loss)	(371)	(271)
Goodwill
Goodwill
Assets
Total assets	$ 6,800	$ 2,410