Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	May 31, 2014	Jun. 01, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 5,612	$ 6,599
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,417	4,381
Share-based compensation expense	2,860	1,933
Amortization of capitalized curriculum costs	1,930	1,447
Deferred income taxes	2,265	199
Reduction in estimated earn out liability	(936)
Other income		(20)
Changes in assets and liabilities:
Decrease in accounts receivable, net	7,088	447
Increase in inventories	(1,023)	(130)
Decrease (increase) in receivable from related party	2,122	(2)
Increase in prepaid expenses and other assets	(781)	(927)
Decrease in accounts payable and accrued liabilities	(10,244)	(5,387)
Decrease in income taxes payable	(4,551)	(108)
Decrease (increase) in other long-term liabilities	(463)	480
Net cash provided by operating activities	9,296	8,912
CASH FLOWS FROM INVESTING ACTIVITIES
Curriculum development costs	(6,403)	(1,620)
Purchases of property and equipment	(2,333)	(1,830)
Payment of contingent business acquisition costs	(3,456)	(2,235)
Acquisition of businesses	(2,711)	(1,125)
Net cash used for investing activities	(14,903)	(6,810)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from line of credit borrowings	26,706
Payments on line of credit borrowings	(24,179)
Principal payments on notes payable financing		(1,875)
Principal payments on financing obligation	(848)	(786)
Purchases of common stock for treasury	(3,363)	(1,445)
Proceeds from sales of common stock held in treasury	433	335
Payments for exercises of common stock warrants		(55)
Net cash used for financing activities	(1,251)	(3,826)
Effect of foreign currency exchange rates on cash and cash equivalents	(96)	(384)
Net decrease in cash and cash equivalents	(6,954)	(2,108)
Cash and cash equivalents at the beginning of the period	12,291	11,011
Cash and cash equivalents at the end of the period	5,337	8,903
Supplemental disclosure of cash flow information:
Cash paid for income taxes	5,769	2,719
Cash paid for interest	1,677	1,753
Non-cash investing and financing activities:
Purchases of property and equipment financed by accounts payable	76	183
Acquisition of business financed by accrued liabilities		$ 3,075