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INVESTMENTS IN SECURITIES (Tables)
3 Months Ended
Apr. 01, 2018
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available-For-Sale Securities
The following table summarizes our investments in available-for-sale securities:
 
 
April 1, 2018
 
December 31, 2017
 
 
Amortized Cost
 
Fair
Value
 
Amortized Cost
 
Fair
Value
 
 
(In thousands)
Cash equivalents:
 
 
 
 
 
 
 
 
Fixed income securities
 
$
327,286

 
$
327,286

 
$
330,456

 
$
330,456

Other
 
1,185

 
1,185

 
942

 
942