Note 15. Income Taxes (Detail) - Significant Components of Deferred Tax Assets (USD $) In Thousands, unless otherwise specified	Nov. 30, 2012	Aug. 31, 2012
Current
Receivable reserve	$ 639	$ 687
Deferred rent	3,076	3,175
Deferred fees	642	1,223
Net current deferred taxes	4,357	5,085
Non-current
Depreciation on property, equipment and leasehold improvements	3,898	2,498
Deferred rent	2,778	2,782
Stock-based compensation	21,241	23,395
Purchased intangible assets, including acquired technology	(7,139)	(6,801)
Other	1,286	1,239
Net non-current deferred taxes	22,064	23,113
Total deferred tax assets	26,421	28,198
Deferred tax liabilities (non-current)
Purchased intangible assets, including acquired technology	2,953	2,936
Stock-based compensation	(371)	(343)
Total deferred tax liabilities (non-current)	$ 2,582	$ 2,593