Business Segments and Foreign Operations (Summarized Information By Reportable Segments) (Details) $ in Thousands		3 Months Ended
		Nov. 30, 2019 USD ($) item	Nov. 30, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | item		3
Net sales		$ 98,556	$ 101,282
Income from operations		14,704	16,401
Depreciation and amortization expense		1,957	1,925
Interest income		25	51
Interest expense		442	710
Unallocated Corporate [Member]
Segment Reporting Information [Line Items]
Income from operations	[1]	(7,670)	(7,017)
Depreciation and amortization expense	[1]	77	52
Americas Segment [Member]
Segment Reporting Information [Line Items]
Net sales		46,736	47,791
Income from operations		10,580	11,302
Depreciation and amortization expense		1,172	1,131
Interest income		4	6
Interest expense		342	708
EMEA Segments [Member]
Segment Reporting Information [Line Items]
Net sales		39,245	38,745
Income from operations		8,592	8,375
Depreciation and amortization expense		634	672
Interest income		1	18
Interest expense		99
Asia-Pacific Segment [Member]
Segment Reporting Information [Line Items]
Net sales		12,575	14,746
Income from operations		3,202	3,741
Depreciation and amortization expense		74	70
Interest income		20	27
Interest expense		$ 1	$ 2

[1] Unallocated corporate expenses are general corporate overhead expenses not directly attributable to any one of the business segments. These expenses are reported separate from the Company’s identified segments and are included in Selling, General and Administrative expenses on the Company’s condensed consolidated statements of operations.