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Non-Operating Income (Expense) (Tables)
 3 Months Ended
Mar. 02, 2012
Other Income and Expenses [Abstract]  
Non-Operating Income (Expense)
Non-operating income (expense) for the three months ended March 2, 2012 and March 4, 2011 included the following (in thousands):
 
2012
 
2011
Interest and other income (expense), net:
 
 
 
Interest income
$
6,193

 
$
6,099

Foreign exchange gains (losses)
(9,721
)
 
(7,774
)
Realized gains on fixed income investment
702

 
605

Realized losses on fixed income investment
(205
)
 
(61
)
Other
246

 
314

Interest and other income (expense), net
$
(2,785
)
 
$
(817
)
Interest expense
$
(16,838
)
 
$
(17,020
)
Investment gains (losses), net:
 

 
 
Realized investment gains
$
245

 
$
1,802

Unrealized investment gains
810

 
438

Realized investment losses
(34
)
 
(650
)
Unrealized investment losses
—

 
—

Investment gains (losses), net
$
1,021

 
$
1,590

Non-operating income (expense), net
$
(18,602
)
 
$
(16,247
)