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Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Cash flows from operating activities:    
Net income $ 14,915 $ 5,099
Adjustments to reconcile net income to net cash (used in) / provided by operating activities:    
Depreciation and amortization 5,692 5,900
Deferred income taxes 635 119
Stock-based compensation 1,245 851
Gain on sale of an asset held for sale   (747)
Changes in assets and liabilities:    
Trade receivables 509 (6,988)
Inventories (12,314) 4,561
Other current assets 1,519 4,211
Accounts payable (8,066) (437)
Accrued liabilities (8,179) 557
Current income taxes payable 2,430 (892)
Other non-current assets (1,655) (349)
Other non-current liabilities 1,178 490
Net cash (used in) / provided by operating activities from continuing operations (2,091) 12,375
Net cash (used in) operating activities from discontinued operations (2) (20)
Net cash (used in) / provided by operating activities (2,093) 12,355
Cash flows from investing activities:    
Capital expenditures (2,446) (3,184)
Trademarks (110) (91)
Proceeds from sale of an asset held for sale   1,165
Net cash (used in) investing activities from continuing operations (2,556) (2,110)
Net cash (used in) investing activities from discontinued operations      
Net cash (used in) investing activities (2,556) (2,110)
Cash flows from financing activities:    
Stock options exercised and other changes 658 194
Distribution of noncontrolling interest earnings (234) (127)
Dividends paid (15,083) (1,491)
Net cash (used in) financing activities from continuing operations (14,659) (1,424)
Net cash (used in) financing activities from discontinued operations      
Net cash (used in) financing activities (14,659) (1,424)
Effect of exchange rate changes on cash and cash equivalents (6,555) 16,944
Net (decrease) / increase in cash and cash equivalents (25,863) 25,765
Cash and cash equivalents at beginning of period 182,201 103,016
Cash and cash equivalents at end of period $ 156,338 $ 128,781