Note 3. Balance Sheet Components
 9 Months Ended
Sep. 30, 2012
Supplemental Balance Sheet Disclosures [Text Block]
3. Balance Sheet Components

The Company’s cash balances are held in numerous locations throughout the world, with the majority in the United States. As of September 30, 2012, the Company had cash, cash equivalents, and short-term investments of $290.8 million held within the United States and $37.3 million held outside of the United States. As of December 25, 2011, the Company had cash, cash equivalents, and short term investments of $252.2 million held within the United States and $10.5 million held outside of the United States.

All securities other than the Federal Deposit Insurance Corporation (FDIC) insured certificates of deposit were designated as available-for-sale. FDIC insured certificates of deposit are held to maturity. Gross unrealized gains and losses on cash equivalents and short term investments were not material as of September 30, 2012 and December 25, 2011. Gross realized gains and losses on cash equivalents and short term investments were not material for the three and nine months ended September 30, 2012 and September 25, 2011.

   
September 30, 2012
   
December 25, 2011
 
   
(in thousands)
 
             
Cash and cash equivalents
           
Cash
  $ 268,001     $ 192,802  
Cash equivalents:
               
Money market funds
    9,180       1,172  
FDIC insured certificates of deposit
    2,279       876  
Cash and cash equivalents
  $ 279,460     $ 194,850  
                 
Short-term investments
               
Commercial paper
  $ 14,980     $ 24,963  
FDIC insured certificates of deposit
    33,626       42,892  
Short-term investments
  $ 48,606     $ 67,855  
                 
Account receivable, net
               
Accounts receivable, gross
  $ 117,731     $ 110,567  
Allowance for doubtful accounts
    (285 )     (224 )
Account receivable, net
  $ 117,446     $ 110,343  
                 
Inventories
               
Raw materials
  $ 9,958     $ 12,442  
Work-in-process
    139,909       130,671  
Finished goods
    22,636       30,976  
Inventories
  $ 172,503     $ 174,089  
                 
Property, plant and equipment, net
               
Land
  $ 45,168     $ 51,778  
Buildings and leasehold improvements
    60,027       68,177  
Equipment
    327,214       309,288  
Construction in progress
    11,925       10,806  
Accumulated depreciation and amortization
    (268,878 )     (230,822 )
Property, plant and equipment, net
  $ 175,456     $ 209,227