CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Thousands	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net loss	$ (16,979)	$ (26,388)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	15,875	16,497
Provision for (recoveries of) doubtful accounts	459	(10)
Non-cash provision for restructuring	125	249
Gain on disposal of fixed assets	(6)	(46)
Compensation expense from stock grants and options	8,262	6,986
Unrealized foreign currency transaction losses (gains)	6,490	(5,248)
Changes in deferred tax assets and liabilities, excluding initial effects of acquisitions	(4)	(250)
Loss on sales of assets	597	0
Changes in operating assets and liabilities, excluding initial effects of acquisitions:
Accounts receivable	2,228	(17,521)
Inventories	(21,438)	1,744
Prepaid expenses and other current assets	(208)	5,269
Accounts payable	(2,625)	20,920
Accrued expenses, compensation and benefits and other liabilities	(16,246)	(18,482)
Income taxes payable	(2,031)	(967)
Deferred revenues	11,815	8,346
Net cash used in operating activities	(13,686)	(8,901)
Cash flows from investing activities:
Purchases of property and equipment	(6,078)	(22,509)
(Increase) decrease in other long-term assets	(574)	67
Payments for business acquisitions, net of cash acquired	0	(27,008)
Purchases of marketable securities	0	(2,250)
Proceeds from sales of marketable securities	0	19,605
Net cash used in investing activities	(6,652)	(32,095)
Cash flows from financing activities:
Proceeds from (payments related to) the issuance of common stock under employee stock plans, net	1,349	(322)
Proceeds from revolving credit facilities	21,000	0
Payments on revolving credit facilities	(8,000)	0
Net cash provided by (used in) financing activities	14,349	(322)
Effect of exchange rate changes on cash and cash equivalents	764	(3,406)
Net decrease in cash and cash equivalents	(5,225)	(44,724)
Cash and cash equivalents at beginning of period	42,782	91,517
Cash and cash equivalents at end of period	37,557	46,793
Supplemental information:
Cash paid for income taxes, net of refunds	2,541	2,472
Non-cash investing activities:
Landlord allowance for leasehold improvements	0	6,036
Issuance of common stock for business acquisition	$ 0	$ 5,776

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Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits should not be reported as cash and cash equivalents.

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Designated to encapsulate the entire footnote disclosure that gives information on the supplemental cash flow activities for noncash (or part noncash) transactions for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The component of income tax expense for the period representing the net change in the entity's deferred tax assets and liabilities pertaining to continuing operations.

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The effect of exchange rate changes on cash balances held in foreign currencies.

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The aggregate unrealized foreign currency transaction gain or loss (pretax) included in determining net income for the reporting period. Represents the aggregate of gains and losses on transactions that are unsettled as of the balance sheet date, which is therefore an adjustment to reconcile income (loss) from continuing operations to net cash provided by (used in) continuing operations. (Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting entity's financial statements. For certain entities, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains or losses may be disclosed as dealer gains or losses.)

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The net change during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.

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The net change during the reporting period in the value of this group of assets within the working capital section.

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The net cash inflow (outflow) from financing activity for the period.

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The net cash inflow (outflow) from investing activity.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities include all transactions and events that are not defined as investing or financing activities. Operating activities generally involve producing and delivering goods and providing services. Cash flows from operating activities are generally the cash effects of transactions and other events that enter into the determination of net income.

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The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes.

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Other change from the prior period in the balance of the restructuring provision that is not otherwise defined in the taxonomy.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow for acquisition of or capital improvements on other tangible or intangible assets not otherwise defined in the taxonomy.

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Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock options, amortization of restricted stock, and adjustment for officers compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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