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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Apr. 30, 2013
Apr. 30, 2012
Cash flows from operating activities:        
Net income $ 3,183 $ 2,962 $ 5,437 $ 7,595
Adjustments to reconcile net income to net cash provided by (used for) operating activities:        
Provision for doubtful accounts (15) (41) (58) (47)
Deferred income taxes (269) 86 (585) 183
Equity in income of affiliates (58) (108) (114) (198)
Depreciation and amortization 798 1,153 1,715 2,240
Foreign currency (gain) loss 1,673 (823) (224) 1,940
Unrealized (gain) loss on derivatives (752) 994 187 408
Stock-based compensation 255 225 503 422
Change in assets and liabilities:        
(Increase) decrease in accounts receivable and refundable taxes (1,090) 1,872 3,057 (2,958)
(Increase) decrease in inventories (169) (10,982) 259 (11,596)
Increase (decrease) in accounts payable 3,292 5,920 3,325 3,452
Increase (decrease) in accrued expenses (1,519) (2,463) (4,367) (2,780)
Net change in derivative assets and liabilities (378) (368) (611) (240)
Other (217) (739) 299 (2,600)
Net cash provided by (used for) operating activities 4,734 (2,312) 8,823 (4,179)
Cash flows from investing activities:        
Purchase of property and equipment (241) (553) (772) (894)
Software development costs (212) (213) (517) (416)
Other investments (10) 2 (40) (30)
Net cash provided by (used for) investing activities (463) (764) (1,329) (1,340)
Cash flows from financing activities:        
Proceeds from exercise of common stock options          1
Restricted shares vested 1    1   
Borrowings on short-term debt    477    1,108
Net cash provided by (used for) financing activities 1 477 1 1,109
Effect of exchange rate changes on cash (103) 45 12 (438)
Net increase (decrease) in cash and cash equivalents 4,169 (2,554) 7,507 (4,848)
Cash and cash equivalents at beginning of period 39,108 42,667 35,770 44,961
Cash and cash equivalents at end of period $ 43,277 $ 40,113 $ 43,277 $ 40,113