CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net loss	$ (24,998)	$ (36,383)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	23,538	25,026
Provision for (recoveries of) doubtful accounts	534	285
Non-cash provision for restructuring	258	291
Gain on disposal of fixed assets	(10)	(70)
Compensation expense from stock grants and options	11,767	10,614
Non-cash interest expense	228	0
Unrealized foreign currency transaction losses (gains)	3,988	253
Changes in deferred tax assets and liabilities, excluding initial effects of acquisitions	(4)	(1,393)
Loss on sales of assets	597	(1,527)
Changes in operating assets and liabilities, excluding initial effects of acquisitions:
Accounts receivable	7,574	(7,202)
Inventories	(17,671)	(15,344)
Prepaid expenses and other current assets	778	7,032
Accounts payable	(12,262)	13,832
Accrued expenses, compensation and benefits and other liabilities	(24,129)	(25,021)
Income taxes payable	(209)	2,290
Deferred revenues	16,464	6,763
Net cash used in operating activities	(13,557)	(20,554)
Cash flows from investing activities:
Purchases of property and equipment	(8,862)	(25,926)
(Increase) decrease in other long-term assets	(969)	(82)
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
Proceeds from sales of assets	0	1,000
Net cash used in investing activities	(9,831)	(34,661)
Cash flows from financing activities:
Proceeds from (payments related to) the issuance of common stock under employee stock plans, net	1,753	(61)
Proceeds from revolving credit facilities	21,000	0
Payments on revolving credit facilities	(8,000)	0
Net cash provided by (used in) financing activities	14,753	(61)
Effect of exchange rate changes on cash and cash equivalents	(495)	(1,880)
Net decrease in cash and cash equivalents	(9,130)	(57,156)
Cash and cash equivalents at beginning of period	42,782	91,517
Cash and cash equivalents at end of period	33,652	34,361
Supplemental information:
Cash paid for income taxes, net of refunds	2,922	2,761
Non-cash investing activities:
Landlord allowance for leasehold improvements	0	6,036
Issuance of common stock for business acquisition	$ 0	$ 5,776