Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 107,017	$ 106,638
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,641	10,619
Stock-based compensation	8,597	6,714
Provision for excess and obsolete inventory	10,924	8,804
Gain on disposal of discontinued operations	0	(4,431)
Deferred income taxes	3,084	11,715
Excess tax benefits from stock-based compensation	(5,282)	(1,830)
Other	503	(620)
Changes in operating assets and liabilities:
Trade accounts receivable	13,511	(60,374)
Inventories	(14,856)	(44,414)
Income taxes	(3,295)	(897)
Other current assets	(9,816)	(1,753)
Accrued expenses and other current liabilities	(1,422)	33,849
Accounts payable	(13,962)	12,232
Net cash provided by operating activities	104,644	76,252
Cash flows from investing activities:
Purchases of short-term and long-term investments	(359,857)	(237,025)
Maturities, sales and settlements of short-term and long-term investments	311,419	176,093
Purchases of property, plant and equipment	(9,691)	(11,430)
Proceeds from sale of assets	7	2,148
Net proceeds from sales of discontinued operations	0	15,581
Other	(473)	(1,061)
Net cash used in investing activities	(58,595)	(55,694)
Cash flows from financing activities:
Proceeds from short-term borrowings	27,340	111,383
Payments on short-term borrowings	(26,094)	(115,836)
Repurchase of common stock	(475)	0
Net proceeds related to employee stock-based compensation	26,327	1,409
Dividend payments to common stockholders	(23,498)	0
Excess tax benefits from stock-based compensation	5,282	1,830
Net cash provided by (used in) financing activities	8,882	(1,214)
Effect of exchange rate changes on cash and cash equivalents	(1,296)	(362)
Increase in cash and cash equivalents	53,635	18,982
Cash and cash equivalents at beginning of period	162,476	111,009
Cash and cash equivalents at end of period	$ 216,111	$ 129,991