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Investments in Equity-Accounted Investees - Condensed Consolidated Balance Sheets (Detail) (Trident Microsystems Inc [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Trident Microsystems Inc [Member]
  
Schedule Of Summarized Financial Information Of Equity Investee Balance Sheet [Line Items]  
Cash and cash equivalents $ 54,208
Accounts receivable, net 25,998
Accounts receivable from related parties 2,713
Inventories 12,783
Note receivable from related party 20,884
Prepaid expenses and other current assets 11,005
Total current assets 127,591
Property and equipment, net 9,236
Intangible assets, net 43,913
Long-term receivable from related party   
Other assets 21,148
Total assets 201,888
Accounts payable 13,152
Accounts payable to related parties 23,395
Accrued expenses and other current liabilities 49,857
Income taxes payable 3,085
Total current liabilities 89,489
Long-term income taxes payable 23,471
Deferred income tax liabilities 301
Other long-term liabilities 7,878
Total liabilities 121,139
Common stock 183
Additional paid-in capital 441,614
Accumulated deficit (361,048)
Total stockholders' equity 80,749
Total liabilities and stockholders' equity $ (201,888)