Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 11,116	$ 18,067	$ 14,319
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,875	7,326	6,131
Amortization of capitalized curriculum costs	4,093	2,824	1,891
Deferred income taxes	3,665	(679)	(1,739)
Share-based compensation expense	2,536	3,534	3,589
Impairment of assets	1,302	363
Excess income tax benefits from share-based compensation	(137)	(2,477)	(903)
Increase (decrease) of estimated acquisition earn out liability	35	(1,579)
Gain on disposals of assets			(17)
Changes in assets and liabilities, net of effect of acquired business:
Increase in accounts receivable, net	(4,355)	(9,548)	(15,171)
Decrease (increase) in inventories	2,239	(2,136)	(358)
Decrease (increase) in receivable from related party	620	2,248	(692)
Increase in prepaid expense and other assets	(2,010)	(1,543)	(122)
Increase (decrease) in accounts payable and accrued liabilities	(3,252)	3,646	6,173
Increase (decrease) in income taxes payable/receivable	2,548	(1,347)	1,504
Increase (decrease) in other long-term liabilities	(85)	(575)	923
Net cash provided by operating activities	26,190	18,124	15,528
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(2,446)	(3,470)	(2,174)
Capitalized curriculum development and other intangible assets	(2,166)	(7,787)	(3,224)
Acquisition of businesses, net of cash acquired	(262)	(6,167)	(4,185)
Net cash used for investing activities	(4,874)	(17,424)	(9,583)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from line of credit borrowings		35,331
Payments on line of credit borrowings		(35,331)
Payments on notes payable financing			(2,708)
Principal payments on long-term debt and financing obligation	(1,302)	(1,155)	(1,022)
Purchases of common stock for treasury	(14,427)	(4,381)	(1,309)
Income tax benefits recorded in paid-in capital	137	2,477	903
Proceeds from sales of common stock held in treasury	689	614	495
Exercise of common stock warrants			(55)
Management stock loan activity			(138)
Net cash used for financing activities	(14,903)	(2,445)	(3,834)
Effect of foreign currency exchange rates on cash and cash equivalents	(662)	(63)	(831)
Net increase (decrease) in cash and cash equivalents	5,751	(1,808)	1,280
Cash and cash equivalents at beginning of the year	10,483	12,291	11,011
Cash and cash equivalents at end of the year	16,234	10,483	12,291
Supplemental disclosure of cash flow information:
Cash paid for income taxes	2,383	6,323	3,996
Cash paid for interest	2,130	2,237	2,322
Non-cash investing and financing activities:
Purchases of property and equipment financed by accounts payable	$ 134	$ 104	101
Acquisition of business financed by accrued liabilities			$ 2,250