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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
CASH FLOWS FROM OPERATING ACTIVITIES:      
Net income (loss) $ 11,777 $ (65,290) $ (225,704)
Adjustments to reconcile net income (loss) to net cash used in operating activities:      
Depreciation and amortization 3,082 5,427 13,135
Amortization of deferred gain on sale-leaseback (625) (755)  
Gain on sale of investments and liquidation of ownership interest in a variable interest entity     (355)
Net gain on divestitures (4,546) (5,548) (100)
Net loss (gain) on disposal of assets (492) 123 (686)
Gain on settlement of an investment interest   (481)  
Impairment of goodwill and other long-lived assets 26   33,325
Impairment of equity investments and variable interest entity 450   6,456
Stock-based compensation expense 3,029 7,602 12,094
Provision for (recovery of) doubtful accounts 2,212 5,513 (6,757)
Deferred income taxes 345 2,008 904
Changes in operating assets and liabilities, excluding impact of divestitures:      
Accounts receivable 8,080 3,793 123,314
Inventories and deferred costs 94,916 103,574 72,816
Other assets 11,261 2,366 83,050
Accounts payable (4,857) (28,036) (127,702)
Income taxes payable 3,102 (2,933) (1,665)
Customer advances 1,488 (40,910) (29,154)
Deferred revenue (132,575) (27,792) 4,177
Other liabilities (38,390) (50,843) (24,596)
Net cash used in operating activities (41,717) (92,182) (67,448)
CASH FLOWS FROM INVESTING ACTIVITIES:      
Additions to property, plant and equipment (9,347) (3,449) (2,012)
Proceeds from sale of building, net of tax payments   123,955  
Deposit received on sale of building     7,307
Net proceeds from divestitures 215 3,381 11,508
Proceeds from settlement of an investment interest, net   481 2,639
Change in restricted cash 5,478 13,260 (1,973)
Purchase of investment interests (1,181) (2,702)  
Contribution of equity investment through a shareholder loan (7,119)    
Purchase of short-term investments (8,365) (12,583) (6,945)
Proceeds from sale of short-term investments 9,039 10,815 10,159
Other 519 335 635
Net cash provided by (used in) investing activities (10,761) 133,493 21,318
CASH FLOWS FROM FINANCING ACTIVITIES:      
Issuance of ordinary share, net of expense   34,594  
Issuance of ordinary share upon ESPP purchases and option exercises 124   367
Change in bank overdrafts     (755)
Repurchase of ordinary share (6,301) (67)  
Net cash provided by (used in) financing activities (6,177) 34,527 (388)
Effect of exchange rate changes on cash and cash equivalents 8,774 9,826 2,758
Net increase (decrease) in cash and cash equivalents (49,881) 85,664 (43,760)
Cash and cash equivalents at beginning of year 351,507 265,843 309,603
Cash and cash equivalents at end of year 301,626 351,507 265,843
Cash paid:      
Interest 252 279 552
Income taxes 530 6,395 9,243
Non-cash operating activities Accounts receivable transferred to notes receivable   580 2,867
Non-cash investing activities      
Issuance of ordinary share for acquisition of iTV   9,841  
Net assets acquired, other than cash, from acquisition of iTV   17,380  
Accrual related to purchase of property, plant and equipment $ (2,475)