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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands
 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Cash flows from operating activities:    
Net income $ 23,768 $ 15,933
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and amortization 6,221 4,665
Provision for doubtful accounts 1,166 (186)
Noncash stock compensation 536 484
Deferred tax (benefit) 45 (1,572)
Change in fair value of derivatives (193) (137)
Changes in:    
Accounts receivable (14,830) (15,968)
Inventories (57,847) (24,428)
Other assets 928 5,460
Accounts payable and accrued expenses 24,637 34,370
Income taxes payable, net (6,749) 1,143
Net cash provided by (used in) operating activities (22,318) 19,764
Cash flows from investing activities:    
Purchases of short-term investments (4,022) (44,159)
Proceeds from sale of short-term investments 42,052 7,975
Purchases of equipment and leasehold improvements (5,502) (2,567)
Payment for intangible assets acquired (3,077) (1,834)
Net cash provided by (used in) investing activities 29,451 (40,585)
Cash flows from financing activities:    
Proceeds from (repayments of ) loans payable - banks, net 1,988 (1,367)
Repayment of long-term debt (5,859) (5,397)
Proceeds from exercise of options 1,116 2,457
Proceeds from sale of stock of subsidiary 2,500 4,306
Payment for minority interests acquired (750) (2,976)
Dividends paid (4,418) (2,960)
Dividends paid to minority interest (3,149) (2,049)
Purchase of treasury stock   (106)
Net cash (used in) financing activities (8,572) (8,092)
Effect of exchange rate changes on cash 2,665 (12,884)
Net increase (decrease) in cash and cash equivalents 1,226 (41,797)
Cash and cash equivalents - beginning of period 37,548 100,467
Cash and cash equivalents - end of period 38,774 58,670
Cash paid for:    
Interest 924 1,067
Income taxes $ 18,087 $ 6,795