CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Net revenue	$ 206,196	[1]	$ 258,842	[1]	$ 335,686	[1]
Cost of revenue	79,091	[2]	103,731	[2]	126,637	[2]
Impairment of deferred costs	0		0		19,962
Gross profit	127,105		155,111		189,087
Sale of patents and other technology assets, net of costs	0		116,353		0
Operating expenses:
Research and development	60,880		63,194		70,212
Sales and marketing	80,011		90,301		111,300
General and administrative	36,643		43,891		37,181
Restructuring and other charges	5,765		15,225		8,650
Lease exit and related charges (gains)	3,089		3,290		(646)
Loss on litigation settlements	11,525		0		0
Total operating expenses	197,913		215,901		226,697
Operating (loss) income	(70,808)		55,563		(37,610)
Other income (expenses):
Interest income, net	1,133		1,192		1,552
Gain on sale of equity and other investments, net	21,389		5,072		0
Equity in net loss of Rhapsody investment	(6,268)		(5,709)		(7,898)
Other income (expense), net	467		1,241		(473)
Total other income (expenses), net	16,721		1,796		(6,819)
Income (loss) before income taxes	(54,087)		57,359		(44,429)
Income tax expense (benefit)	4,903		12,518		(17,329)
Net income (loss) attributable to common shareholders	(58,990)		44,841		(27,100)
Basic net income (loss) per share available to common shareholders (in dollars per share)	$ (1.66)	[3]	$ 1.29	[3]	$ (0.79)
Diluted net income (loss) per share available to common shareholders (in dollars per share)	$ (1.66)	[3]	$ 1.28	[3]	$ (0.79)
Shares used to compute basic net income (loss) per share	35,553		34,873		34,185
Shares used to compute diluted net income (loss) per share	35,553		35,122		34,185
Comprehensive income (loss):
Unrealized investment holding gains (losses), net of reclassification adjustments	(20,288)		(633)		9,459
Foreign currency translation adjustments, net of reclassification adjustments	(867)		(1,023)		(1,800)
Total other comprehensive income (loss)	(21,155)		(1,656)		7,659
Net income (loss) attributable to common shareholders	(58,990)		44,841		(27,100)
Comprehensive income (loss)	$ (80,145)		$ 43,185		$ (19,441)

[1] December 31, 2012 December 31, 2011 December 31, 2010Components of Cost of Revenue License Fees8,538 11,689 17,794Service Revenue70,553 92,042 108,843Net Revenue Costs79,091 103,731 126,637

[2] December 31, 2013 December 31, 2012 December 31, 2011Components of Revenue License Fees43,709 56,640 69,644Service Revenue162,487 202,202 266,042Net Revenue206,196 258,842 335,686

[3] The sum of the quarterly net income per share amounts will not necessarily equal net income per share for the year due to the use of weighted average quarterly shares and the effects of rounding.