Note 15 - Income Taxes (Tables)

9 Months Ended

May 31, 2019

Notes Tables

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

	Three Months Ended May 31,						Nine Months Ended May 31,
(in thousands)	2019			2018			2019			2018
Income before income taxes	$	113,384		$	89,511		$	313,676		$	267,903
Provision for income taxes	$	21,119		$	14,765		$	52,413		$	69,641
Effective tax rate		18.6	%		16.5	%		16.7	%		26.0	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

(in thousands)	May 31, 2019			August 31, 2018
Deferred tax assets:
Receivable reserve	$	757		$	599
Depreciation on property, equipment and leasehold improvements		4,000			1,032
Deferred rent		7,576			7,711
Stock-based compensation		12,938			14,827
Purchased intangible assets, including acquired technology		(26,370	)		(24,059	)
Other		7,096			9,606
Total deferred tax assets	$	5,997		$	9,716

(in thousands)	May 31, 2019			August 31, 2018
Deferred tax liabilities:
Stock-based compensation	$	(1,020	)	$	(946	)
Purchased intangible assets, including acquired technology		19,096			22,429
Other		930			(293	)
Total deferred tax liabilities	$	19,006		$	21,190

Summary of Income Tax Contingencies [Table Text Block]

(in thousands)
Unrecognized income tax benefits at August 31, 2018	$	9,223
Additions based on tax positions related to the current year		490
Additions for tax positions of prior years		388
Unrecognized income tax benefits at May 31, 2019	$	10,101

Summary of Income Tax Examinations [Table Text Block]

Major Tax Jurisdictions	Open Tax Years
U.S.
Federal	2016	through	2018
State (various)	2016	through	2018
Europe
United Kingdom	2017	through	2018
France	2016	through	2018
Germany	2016	through	2018