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Business Segments and Foreign Operations (Summarized Information Of Reportable Segments) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Nov. 30, 2013
Nov. 30, 2012
Segment Reporting Information [Line Items]    
Net sales $ 95,541 $ 95,264
Income from operations 16,767 15,865
Depreciation and amortization expense 1,378 1,203
Interest income 131 62
Interest expense 215 125
Americas [Member]
    
Segment Reporting Information [Line Items]    
Net sales 44,062 45,355
Income from operations 10,024 10,167
Depreciation and amortization expense 1,068 918
Interest income 1 1
Interest expense 213 123
EMEA [Member]
    
Segment Reporting Information [Line Items]    
Net sales 36,516 35,585
Income from operations 8,935 8,286
Depreciation and amortization expense 247 240
Interest income 101 36
Asia-Pacific [Member]
    
Segment Reporting Information [Line Items]    
Net sales 14,963 14,324
Income from operations 4,027 2,764
Depreciation and amortization expense 52 43
Interest income 29 25
Interest expense 2 2
Corporate [Member]
    
Segment Reporting Information [Line Items]    
Income from operations (6,219) [1] (5,352) [1]
Depreciation and amortization expense $ 11 [1] $ 2 [1]
[1] Unallocated corporate expenses are general corporate overhead expenses not directly attributable to any one of the operating 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.