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Non-Operating Income (Expense)
 3 Months Ended
Mar. 02, 2018
Other Income and Expenses [Abstract]  
NON-OPERATING INCOME (EXPENSE)
 NON-OPERATING INCOME (EXPENSE)
 Non-operating income (expense) for the three months ended March 2, 2018 and March 3, 2017 included the following (in thousands):
 
Three Months
 
2018
 
2017
Interest and other income (expense), net:
 
 
 
Interest income
$
22,630

 
$
14,157

Foreign exchange gains (losses)
(5,889
)
 
(7,131
)
Realized gains on fixed income investment
184

 
294

Realized losses on fixed income investment
(305
)
 
(134
)
Other
52

 
20

Interest and other income (expense), net
$
16,672

 
$
7,206

Interest expense
$
(19,899
)
 
$
(18,130
)
Investment gains (losses), net:
 

 
 
Realized investment gains
$
3,994

 
$
1,959

Unrealized investment gains
—

 
598

Unrealized investment losses
(998
)
 
—

Investment gains (losses), net
$
2,996

 
$
2,557

Non-operating income (expense), net
$
(231
)
 
$
(8,367
)