CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net loss	$ (52,225)	$ (15,927)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	16,184	15,721
(Recovery from) provision for doubtful accounts	(62)	459
Non-cash provision for restructuring	2,633	125
Non-cash allowance for divestiture	2,848	0
Loss on divestitures	9,951	597
Loss on disposal of fixed assets	(256)	(8)
Compensation expense from stock grants and options	5,374	8,150
Non-cash interest expense	73	154
Unrealized foreign currency transaction (gains) losses	(848)	6,490
Changes in deferred tax assets and liabilities, excluding initial effects of acquisitions	823	(4)
Changes in operating assets and liabilities, excluding initial effects of acquisitions:
Accounts receivable	12,317	2,783
Inventories	20,967	(22,161)
Prepaid expenses and other current assets	(2,317)	142
Accounts payable	(3,531)	(2,389)
Accrued expenses, compensation and benefits and other liabilities	5,060	(17,658)
Income taxes payable	2,170	(1,968)
Deferred revenues	13,171	11,410
Net cash provided by (used in) operating activities	32,332	(14,084)
Cash flows from investing activities:
Purchases of property and equipment, net	(5,237)	(6,078)
Increase in other long-term assets	(161)	(176)
Net cash used in investing activities	(5,398)	(6,254)
Cash flows from financing activities:
Proceeds from the issuance of common stock under employee stock plans, net	80	1,349
Proceeds from revolving credit facilities	1,000	21,000
Payments on revolving credit facilities	(1,000)	(8,000)
Net cash provided by financing activities	80	14,349
Effect of exchange rate changes on cash and cash equivalents	(486)	764
Net increase (decrease) in cash and cash equivalents	26,528	(5,225)
Cash and cash equivalents at beginning of period	32,855	42,782
Cash and cash equivalents at end of period	59,383	37,557
Cash paid for income taxes, net of refunds	957	2,541
Reclassifications to assets held-for-sale	$ 12,940