Segment Information (Reconciliation Of Adjusted EBITDA) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2017	May 28, 2016	May 31, 2017	May 28, 2016
Segment Reporting Information [Line Items]
Consolidated Adjusted EBITDA	$ (18)	$ 1,794	$ (3,204)	$ 10,675
Stock-based compensation expense	(1,210)	(1,048)	(3,987)	(2,922)
Costs to exit Japan publishing business	(1,792)		(1,792)
Restructuring costs	(1,335)		(1,335)	(376)
Contract termination costs			(1,500)
Reduction (increase) to contingent earn out liability		(88)	1,936	(1,456)
China office start-up costs		(60)	(505)	(106)
ERP system implementation costs	(327)	(131)	(920)	(224)
Other expenses	(25)		(25)
Depreciation	(949)	(1,003)	(2,743)	(2,809)
Amortization	(835)	(722)	(2,278)	(2,541)
Income (loss) from operations	(6,491)	(1,258)	(16,353)	241
Interest income	86	81	310	243
Interest expense	(618)	(564)	(1,861)	(1,659)
Loss before income taxes	(7,023)	(1,741)	(17,904)	(1,175)
Income tax benefit	2,482	689	6,073	465
Net loss	(4,541)	(1,052)	(11,831)	(710)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Consolidated Adjusted EBITDA	2,184	3,763	3,642	16,452
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Consolidated Adjusted EBITDA	$ (2,202)	$ (1,969)	$ (6,846)	$ (5,777)