Note 7 - Segment Information (Details) - Long-Lived Assets By Geographic Areas (USD $) In Thousands, unless otherwise specified	Aug. 31, 2014		Aug. 31, 2013		Aug. 31, 2012
Long-lived Assets**
Long-Lived Assets	$ 57,641	[1]	$ 65,371	[1]	$ 76,530	[1]
UNITED STATES
Long-lived Assets**
Long-Lived Assets	46,294	[1]	51,184	[1]	60,288	[1]
UNITED KINGDOM
Long-lived Assets**
Long-Lived Assets	4,669	[1]	4,806	[1]	5,466	[1]
All Other European Countries [Member]
Long-lived Assets**
Long-Lived Assets	2,267	[1]	3,051	[1]	2,951	[1]
Asia Pacific [Member]
Long-lived Assets**
Long-Lived Assets	$ 4,411	[1]	$ 6,330	[1]	$ 7,825	[1]

[1] Long-lived assets consist of property, equipment and leasehold improvements, net of accumulated depreciation and amortization and exclude goodwill, intangible assets, deferred taxes and other assets.