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Note 5 - Accounts Receivable, Concentrations of Credit Risk and Inventories (Detail) - Allowance For Doubtful Accounts (USD $)
In Thousands, unless otherwise specified |
3 Months Ended |
|---|---|
|
Nov. 30, 2012
|
|
| Beginning balance, September 1 | $ 16,804 |
| Ending balance, November 30 | 17,399 |
| Increased provision | 2,560 |
| Write offs | (1,652) |
| Recovery | (204) |
| Other | $ (109) |