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Investments Investments (Tables)
 9 Months Ended
Sep. 29, 2012
Investments [Abstract]  
Schedule of available-for-sale investments
Available-for-sale investments at September 29, 2012 were as follows:
(In thousands)
 
Adjusted Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Fair Value
 
 
 
 
 
 
 
 
 
Cash equivalents:
 
 
 
 
 
 
 
 
Money market funds
 
$
64,156

 
$
—

 
$
—

 
$
64,156

Time deposits
 
10,971

 
—

 
—

 
10,971

Total cash equivalents
 
75,127

 
—

 
—

 
75,127

 
 
 
 
 
 
 
 
 
Short-term investments:
 
 
 
 
 
 
 
 
Time deposits
 
86,339

 
44

 
(2
)
 
86,381

Commercial paper
 
64,000

 
18

 
(40
)
 
63,978

Government and corporate bonds
 
599,990

 
617

 
(71
)
 
600,536

Total short-term investments
 
750,329

 
679

 
(113
)
 
750,895

 
 
 
 
 
 
 
 
 
Long-term investments:
 
 
 
 
 
 
 
 
Time deposits
 
5,700

 
2

 
(9
)
 
5,693

Government and corporate bonds
 
446,981

 
426

 
(101
)
 
447,306

Total long-term investments
 
452,681

 
428

 
(110
)
 
452,999

 
 
 
 
 
 
 
 
 
Total available-for-sale investments
 
$
1,278,137

 
$
1,107

 
$
(223
)
 
$
1,279,021