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Business Segments and Foreign Operations (Summarized Information By Reportable Segments) (Details) $ in Thousands | 12 Months Ended
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Aug. 31, 2021 USD ($) item | Aug. 31, 2020 USD ($) | Aug. 31, 2019 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Number of reportable segments | item |  | 3 |  |
Net sales |  | $ 488,109 | $ 408,498 | $ 423,350
Income from operations |  | 88,841 | 77,220 | 82,382
Depreciation and amortization expense |  | 7,019 | 7,701 | 7,593
Interest income |  | 81 | 93 | 155
Interest expense |  | 2,395 | 2,439 | 2,541
Unallocated Corporate [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income from operations | [1] | (34,874) | (26,471) | (25,746)
Depreciation and amortization expense | [1] | 319 | 178 | 241
Americas Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 214,601 | 200,493 | 193,972
Income from operations |  | 51,591 | 51,089 | 50,069
Depreciation and amortization expense |  | 3,219 | 4,361 | 4,532
Interest income |  | 1 | 15 | 29
Interest expense |  | 1,909 | 1,867 | 2,156
EMEA Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 208,252 | 156,241 | 160,615
Income from operations |  | 53,003 | 37,620 | 37,246
Depreciation and amortization expense |  | 3,174 | 2,855 | 2,538
Interest income |  | 5 | 2 | 23
Interest expense |  | 481 | 567 | 379
Asia-Pacific Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 65,256 | 51,764 | 68,763
Income from operations |  | 19,121 | 14,982 | 20,813
Depreciation and amortization expense |  | 307 | 307 | 282
Interest income |  | 75 | 76 | 103
Interest expense |  | $ 5 | $ 5 | $ 6
[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 consolidated statements of operations.

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