Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 14,319	$ 7,841	$ 4,807
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,131	5,698	7,107
Amortization of capitalized curriculum costs	1,891	1,816	1,639
Deferred income taxes	(1,739)	2,708	2,092
Share-based compensation expense	3,589	3,835	2,788
Excess income tax benefits from share-based compensation	(903)
Loss (gain) on disposals of assets	(17)	36	101
Changes in assets and liabilities, net of effect of acquired business:
Increase in accounts receivable, net	(15,171)	(5,810)	(1,288)
Decrease (increase) in inventories	(358)	96	382
Increase in receivable from related party	(692)	(1,349)	(688)
Decrease (increase) in prepaid expenses and other assets	(122)	(39)	2,128
Increase (decrease) in accounts payable and accrued liabilities	6,173	(197)	(3,534)
Increase in income taxes payable	1,504	587	65
Increase in other long-term liabilities	923	340	44
Net cash provided by operating activities	15,528	15,562	15,643
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(2,174)	(2,279)	(2,326)
Capitalized curriculum development and other intangible assets	(3,224)	(2,113)	(3,097)
Acquisition of business, net of cash acquired	(4,185)		(5,411)
Net cash used for investing activities	(9,583)	(4,392)	(10,834)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from line of credit borrowings		8,523	67,462
Payments on line of credit borrowings		(8,523)	(76,994)
Proceeds from notes payable financing			5,000
Payments on notes payable financing	(2,708)	(2,292)
Principal payments on long-term debt and financing obligation	(1,022)	(895)	(673)
Purchases of common stock for treasury	(1,309)	(440)	(218)
Income tax benefits recorded in paid-in capital	903
Proceeds from sales of common stock held in treasury	495	435	328
Exercise of common stock warrants	(55)
Management stock loan activity	(138)
Net cash used for financing activities	(3,834)	(3,192)	(5,095)
Effect of foreign currency exchange rates on cash and cash equivalents	(831)	17	(182)
Net increase (decrease) in cash and cash equivalents	1,280	7,995	(468)
Cash and cash equivalents at beginning of the year	11,011	3,016	3,484
Cash and cash equivalents at end of the year	12,291	11,011	3,016
Supplemental disclosure of cash flow information:
Cash paid for income taxes	3,996	2,330	1,825
Cash paid for interest	2,322	2,473	2,702
Non-cash investing and financing activities:
Acquisition of business financed by accrued liabilities	2,250
Purchases of property and equipment financed by accounts payable	$ 101	$ 481	$ 143