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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Nov. 30, 2013 | Nov. 30, 2012
Operating activities: |  |
Net income | $ 11,482 | $ 10,944
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 1,378 | 1,203
Net gains on sales and disposals of property and equipment | (17) | (9)
Deferred income taxes | (154) | 183
Excess tax benefits from settlements of stock-based equity awards | (777) | 375
Stock-based compensation | 517 | 619
Unrealized foreign currency exchange gains, net | (1,053) | (210)
Provision for bad debts | 215 | 221
Changes in assets and liabilities: |  |
Trade accounts receivable | 2,302 | (1,111)
Inventories | (1,088) | (890)
Other assets | 117 | (613)
Accounts payable and accrued liabilities | (2,580) | 646
Accrued payroll and related expenses | (6,720) | 981
Income taxes payable | 3,052 | 3,199
Deferred and other long-term liabilities | 35 | 57
Net cash provided by operating activities | 6,709 | 15,595
Investing activities: |  |
Purchases of property and equipment | (1,186) | (527)
Proceeds from sales of property and equipment | 95 | 64
Purchases of short-term investments | (1,282) | (20,928)
Net cash used in investing activities | (2,373) | (21,391)
Financing activities: |  |
Dividends paid | (4,758) | (4,579)
Proceeds from issuance of common stock | 1,149 | 944
Treasury stock purchases | (5,264) | (8,091)
Excess tax benefits from settlements of stock-based equity awards | 777 | (375)
Net cash used in financing activities | (8,096) | (12,101)
Effect of exchange rate changes on cash and cash equivalents | 1,745 | 613
Net decrease in cash and cash equivalents | (2,015) | (17,284)
Cash and cash equivalents at beginning of period | 53,434 | 69,719
Cash and cash equivalents at end of period | $ 51,419 | $ 52,435

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