Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows (used in)/provided by operating activities
Net (loss)/income	$ (10,865)	$ 4,789
Adjustments to reconcile net (loss)/income to net cash (used in)/provided by operating activities:
Depreciation and amortization	7,314	6,912
Provision for doubtful accounts	250	30
Benefit from deferred taxes		(144)
Unrealized loss from investments	126	999
Impairment of investments	405	347
Stock-based compensation expense	2,695	3,026
Tax benefit from stock option exercises and restricted stock vested	(620)	(813)
Changes in operating assets and liabilities:
Increase in accounts receivable	(28,852)	(17,680)
Increase in inventories	(14,400)	(22,484)
Decrease in prepaid expenses and other current assets	498	5,654
Increase in other assets	(2,327)	(1,450)
Increase in accounts payable and accrued expenses	17,554	23,943
(Decrease)/increase in deferred income and other current liabilities	(6,981)	1,422
Decrease in other long-term liabilities	(3,567)	(1,224)
Net cash (used in)/provided by operating activities	(38,770)	3,327
Cash flows used in investing activities
Acquisition of property and equipment	(1,656)	(2,138)
Acquisitions, net of purchase price settlements	(950)
Deposits in restricted cash	(15,000)
Decrease in restricted cash	15,000
Proceeds from sale of investments		1,055
Purchase of intangible assets	(130)	(162)
Net cash used in investing activities	(2,736)	(1,245)
Cash flows used in financing activities
Shares surrendered by employees to pay taxes on restricted stock	(575)	(718)
Excess tax benefit from stock options		3
Proceeds from exercise of stock options	642	25
Proceeds from employee stock purchase plan	69	89
Acquisition of treasury shares	(2,872)
Dividends associated with vesting of restricted stock	(12)	(99)
Net cash used in financing activities	(2,748)	(700)
Effect of exchange rate changes on cash	(67)	(94)
Net (decrease)/increase in cash	(44,321)	1,288
Cash and cash equivalents, beginning of period	83,395	68,505
Cash and cash equivalents, end of period	39,074	69,793
Cash paid during the period for:
Interest	21	39
Income taxes paid/(refunded), net	$ 443	$ (4,079)