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Consolidated Statements Of Operations And Statements Of Comprehensive Income (Loss) - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Aug. 31, 2017
Aug. 31, 2016
Aug. 31, 2015
Net sales:      
Training and consulting services $ 177,816 $ 189,661 $ 198,695
Products 3,881 6,009 6,885
Leasing 3,559 4,385 4,361
Total net sales 185,256 200,055 209,941
Cost of sales:      
Training and consulting services 56,557 59,158 66,370
Products 3,990 3,206 3,306
Leasing 2,042 2,537 2,176
Total cost of sales 62,589 64,901 71,852
Gross profit 122,667 135,154 138,089
Selling, general, and administrative 121,148 113,589 108,802
Impaired assets     1,302
Contract termination costs 1,500    
Restructuring costs 1,482 776 587
Depreciation 3,879 3,677 4,142
Amortization 3,538 3,263 3,727
Income (loss) from operations (8,880) 13,849 19,529
Interest income 379 325 383
Interest expense (2,408) (2,263) (2,137)
Discount on related-party receivable     (363)
Income (loss) before income taxes (10,909) 11,911 17,412
Benefit (provision) for income taxes 3,737 (4,895) (6,296)
Net income (loss) $ (7,172) $ 7,016 $ 11,116
Net income (loss) per share:      
Basic and diluted $ (0.52) $ 0.47 $ 0.66
Weighted average number of common shares:      
Basic 13,819 14,944 16,742
Diluted 13,819 15,076 16,923
COMPREHENSIVE INCOME (LOSS)      
Net income (loss) $ (7,172) $ 7,016 $ 11,116
Foreign currency translation adjustments, net of income tax benefit of $37, $115, and $52 (555) 1,030 (1,259)
Comprehensive income (loss) $ (7,727) $ 8,046 $ 9,857