Consolidated Statements Of Income And Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2012
Net sales:
Training and consulting services	$ 193,720	$ 178,656	$ 158,779
Products	7,518	8,114	8,456
Leasing	3,927	4,154	3,221
Total net sales	205,165	190,924	170,456
Cost of sales:
Training and consulting services	61,474	56,864	52,161
Products	3,502	3,122	3,839
Leasing	1,923	1,949	1,773
Total cost of sales	66,899	61,935	57,773
Gross profit	138,266	128,989	112,683
Selling, general, and administrative	106,164	101,176	89,462
Depreciation	3,383	3,008	3,142
Amortization	3,954	3,191	2,499
Income from operations	24,765	21,614	17,580
Interest income	427	614	18
Interest expense	(2,237)	(2,332)	(2,482)
Discount on related-party receivables	(1,196)	(519)	(1,369)
Other income, net		21
Income before income taxes	21,759	19,398	13,747
Provision for income taxes	(3,692)	(5,079)	(5,906)
Net income	18,067	14,319	7,841
Net income per share:
Basic	$ 1.08	$ 0.83	$ 0.44
Diluted	$ 1.07	$ 0.80	$ 0.43
Weighted average number of common shares:
Basic	16,720	17,348	17,772
Diluted	16,947	17,971	18,360
COMPREHENSIVE INCOME:
Net income	18,067	14,319	7,841
Foreign currency translation adjustments	(235)	(1,724)	(182)
Comprehensive income	$ 17,832	$ 12,595	$ 7,659