CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net income (loss)	$ (58,990)	$ 44,841	$ (27,100)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	18,748	16,959	16,895
Stock-based compensation	7,468	8,123	11,747
Loss (gain) on asset disposal	0	2,509	(62)
Equity in net loss of Rhapsody	6,268	5,709	7,898
Excess tax benefit from stock option exercises	0	0	(74)
Lease exit and related charges (gains)	1,421	3,290	(646)
Deferred income taxes, net	676	20,324	(23,985)
Gain on sale of patent and other technology assets, net of costs of $3,647	0	(116,353)	0
Gain on sale of equity and other investments, net	(21,389)	(5,072)	0
Realized translation gain	(571)	(1,966)	0
Other	51	0	114
Net change in certain operating assets and liabilities:
Trade accounts receivable	8,442	11,163	6,835
Prepaid expenses and other assets	8,112	(986)	43,169
Accounts payable	321	549	(14,601)
Accrued and other liabilities	(20,436)	(22,403)	(20,898)
Net cash provided by (used in) operating activities	(49,879)	(33,313)	(708)
Cash flows from investing activities:
Purchases of equipment, software, and leasehold improvements	(7,727)	(7,170)	(9,873)
Proceeds from sale of patents and other technology assets, net of costs of $3,647	0	116,353	0
Proceeds from sale of equity and other investments	29,153	7,261	0
Purchases of short-term investments	(131,690)	(116,963)	(96,841)
Proceeds from sales and maturities of short-term investments	164,986	87,487	116,405
Decrease in restricted cash equivalents and investments	10,000	167	0
Increase in restricted cash equivalents and investments	(3,000)	0	(179)
Acquisitions of businesses, net of cash acquired	(22,480)	0	(2,888)
Net cash provided by (used in) investing activities	39,242	87,135	6,624
Cash flows from financing activities:
Proceeds from issuance of common stock (stock options and stock purchase plan)	594	3,802	3,177
Common stock cash dividend paid	0	0	(136,793)
Tax payments from shares withheld upon vesting of restricted stock	(1,201)	(995)	0
Excess tax benefit from stock option exercises	0	0	74
Payment of contingent consideration	(828)	0	0
Net cash provided by (used in) financing activities	(1,435)	2,807	(133,542)
Effect of exchange rate changes on cash and cash equivalents	109	236	(2,059)
Net increase (decrease) in cash and cash equivalents	(11,963)	56,865	(129,685)
Cash and cash equivalents, beginning of year	163,198	106,333	236,018
Cash and cash equivalents, end of year	151,235	163,198	106,333
Supplemental disclosure of cash flow information:
Cash received from income tax refunds	8,405	456	10,166
Cash paid for income taxes	4,600	3,296	6,284
Non-cash investing activities:
Increase (decrease) in accrued purchases of equipment, software, and leasehold improvements	$ 335	$ 212	$ 0