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Fair Value of Financial Instruments (Tables)
9 Months Ended
Oct. 01, 2016
Fair Value Disclosures [Abstract]  
Schedule of Fair Value of Financial Instruments
 
Fair value measurements as of
 
Fair value measurements as of
 
October 1, 2016
 
January 2, 2016
(In thousands)
Total
 
Level 1
 
Level 2
 
Level 3
 
Total
 
Level 1
 
Level 2
 
Level 3
Short-term marketable securities
$
11,751

 
$
11,672

 
$
79

 
$

 
$
17,968

 
$
17,888

 
$
80

 
$

Foreign currency forward exchange contracts, net

 

 

 

 
(12
)
 

 
(12
)
 

Total fair value of financial instruments
$
11,751

 
$
11,672

 
$
79

 
$

 
$
17,956

 
$
17,888

 
$
68

 
$