CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income	$ 19,797	$ 20,024
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	13,721	16,970
(Recovery) expense from doubtful accounts	(177)	140
Gain on sales of assets	0	(125)
Stock-based compensation expense	2,718	5,716
Non-cash interest expense	220	220
Foreign currency transaction gains (losses)	(494)	(856)
(Benefit from) provision for deferred taxes	(6)	6
Changes in operating assets and liabilities:
Accounts receivable	931	12,255
Inventories	6,145	7,473
Prepaid expenses and other current assets	646	965
Accounts payable	(585)	4,823
Accrued expenses, compensation and benefits and other liabilities	14,842	1,348
Income taxes payable	603	475
Deferred revenues	49,471	66,170
Net cash used in operating activities	(20,800)	(10,028)
Cash flows from investing activities:
Purchases of property and equipment	(11,660)	(8,998)
Proceeds from divestiture of consumer business	1,500	0
Proceeds from sale of assets	0	125
Decrease (increase) in other long-term assets	51	(25)
Net cash used in investing activities	(10,109)	(8,898)
Cash flows from financing activities:
Proceeds from the issuance of common stock under employee stock plans	1	177
Common stock repurchases for tax withholdings for net settlement of equity awards	(318)	(263)
Proceeds from revolving credit facilities	20,500	0
Payments on revolving credit facilities	12,500	0
Net cash provided by (used in) financing activities	7,683	(86)
Effect of exchange rate changes on cash and cash equivalents	(2,471)	(1,145)
Net decrease in cash and cash equivalents	(25,727)	(20,157)
Cash and cash equivalents at beginning of period	48,203	70,390
Cash and cash equivalents at end of period	22,476
Cash paid for income taxes, net of refunds	2,002	1,643
Cash paid for interest	$ 1,026	$ 930