Note 15 - Income Taxes (Tables)

3 Months Ended

Nov. 30, 2014

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Three Months Ended November 30,
	2014			2013
U.S. operations	$	65,958		$	60,258
Non-U.S. operations		14,732			14,823
Income before income taxes	$	80,690		$	75,081
U.S. operations	$	25,660		$	19,653
Non-U.S. operations		(830	)		3,250
Total provision for income taxes	$	24,830		$	22,903
Effective tax rate		30.8	%		30.5	%

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Three Months Ended
	November 30,
	2014			2013
Current
U.S. Federal	$	22,704		$	18,117
U.S. state and local		1,325			1,197
Non-U.S.		1,208			3,187
Total current taxes	$	25,237		$	22,501
Deferred
U.S. Federal	$	1,602		$	311
U.S. state and local		29			28
Non-U.S.		(2,038	)		63
Total deferred taxes	$	(407	)	$	402
Total provision for income taxes	$	24,830		$	22,903

Schedule of Deferred Tax Assets [Table Text Block]

	Nov 30, 2014			Aug 31, 2014
Deferred tax assets
Current
Receivable reserve	$	593		$	597
Deferred rent		1,177			1,067
Other		215			177
Net current deferred taxes	$	1,985		$	1,841
Non-current
Depreciation on property, equipment and leasehold improvements	$	10,933		$	9,831
Deferred rent		3,374			3,572
Stock-based compensation		18,195			18,160
Purchased intangible assets, including acquired technology		(12,446	)		(10,750	)
Other		1,658			1,564
Net non-current deferred taxes	$	21,714		$	22,377
Total deferred tax assets	$	23,699		$	24,218

	Nov 30, 2014			Aug 31, 2014
Deferred tax liabilities (current)
Other	$	210		$	0
Total deferred tax liabilities (current)	$	210		$	0
Deferred tax liabilities (non-current)
Purchased intangible assets, including acquired technology	$	2,273		$	3,478
Stock-based compensation		0			(860	)
Depreciation on property, equipment and leasehold improvements		(191	)		0
Other		451			303
Total deferred tax liabilities (non-current)	$	2,533		$	2,921

Summary of Income Tax Contingencies [Table Text Block]

Unrecognized income tax benefits at August 31, 2014	$	5,501
Additions based on tax positions related to the current year		187
Additions for tax positions of prior years		157
Unrecognized income tax benefits at November 30, 2014	$	5,845

Summary of Income Tax Examinations [Table Text Block]

Major Tax Jurisdictions	Open Tax Years
U.S.
Federal	2013 through 2015
State (various)	2011 through 2015
Europe
France	2012 through 2015
United Kingdom	2013 through 2015