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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Apr. 30, 2019
Apr. 30, 2018
Cash flows from operating activities:        
Net income $ 5,252 $ 3,751 $ 11,906 $ 6,688
Adjustments to reconcile net income to net cash provided by (used for) operating activities:        
Provision for doubtful accounts (92) (67) (139) 91
Deferred income taxes 12 2 (26) 640
Equity in income of affiliates (123) (55) (408) (194)
Depreciation and amortization 906 1,023 1,845 1,911
Foreign currency (gain) loss 436 465 (356) (1,049)
Unrealized (gain) loss on derivatives (425) (394) (221) 491
Stock-based compensation 724 629 1,433 1,178
Change in assets and liabilities:        
(Increase) decrease in accounts receivable 8,340 (1,398) 10,400 9,039
(Increase) decrease in inventories (3,473) (5,978) (10,570) (12,925)
(Increase) decrease in prepaid expenses (386) (653) (1,362) (1,181)
Increase (decrease) in accounts payable (4,724) 2,427 (7,616) 10,228
Increase (decrease) in accrued expenses 1,116 1,183 (3,641) (1,737)
Increase (decrease) in accrued income tax (5,123) (1,477) (2,745) (237)
Net change in derivative assets and liabilities (75) (457) 376 (417)
Other 12 (6) (469) 931
Net cash provided by (used for) operating activities 2,377 (1,005) (1,593) 13,457
Cash flows from investing activities:        
Purchase of property and equipment (499) (819) (1,281) (1,674)
Proceeds from sale of equipment 9 28 31 86
Software development costs (508) (597) (969) (1,222)
Net cash provided by (used for) investing activities (998) (1,388) (2,219) (2,810)
Cash flows from financing activities:        
Dividends paid (818) (742) (1,565) (1,410)
Taxes paid related to net settlement of restricted shares 0 (43) (499) (545)
Proceeds from exercise of common stock options 0 62 0 554
Repayment of short-term debt 0 0 (1,454) 0
Net cash provided by (used for) financing activities (818) (723) (3,518) (1,401)
Effect of exchange rate changes on cash (139) (744) 340 823
Net increase (decrease) in cash and cash equivalents 422 (3,860) (6,990) 10,069
Cash and cash equivalents at beginning of period 69,758 80,236 77,170 66,307
Cash and cash equivalents at end of period $ 70,180 $ 76,376 $ 70,180 $ 76,376