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Cash, cash equivalents and short-term investments (Tables)
12 Months Ended
Jan. 02, 2015
Cash and Cash Equivalents [Abstract]  
Schedule of Cash, Cash Equivalents and Short-Term Investments
Cash, cash equivalents and short-term investments consisted of the following as of January 2, 2015:
 
 
 
Amortized
 
Unrealized
 
Unrealized
 
Estimated
 
(In thousands)
 
Cost
 
Gains
 
Losses
 
Fair Value
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Classified as current assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash
 
$
84,012
 
$
-
 
$
-
 
$
84,012
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash equivalents:
 
 
 
 
 
 
 
 
 
 
 
 
 
Money market securities
 
 
45,478
 
 
-
 
 
-
 
 
45,478
 
Total cash equivalents
 
 
45,478
 
 
-
 
 
-
 
 
45,478
 
Total cash and cash equivalents
 
 
129,490
 
 
-
 
 
-
 
 
129,490
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Short-term investments:
 
 
 
 
 
 
 
 
 
 
 
 
 
State and municipal bonds
 
 
24,890
 
 
27
 
 
(4)
 
 
24,913
 
Total short-term investments
 
 
24,890
 
 
27
 
 
(4)
 
 
24,913
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total cash, cash equivalents and short-term investments
 
$
154,380
 
$
27
 
$
(4)
 
$
154,403
 
 
Cash, cash equivalents and short-term investments consisted of the following as of January 3, 2014:
 
 
 
Amortized
 
Unrealized
 
Unrealized
 
Estimated
 
(In thousands)
 
Cost
 
Gains
 
Losses
 
Fair Value
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Classified as current assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash
 
$
85,849
 
$
-
 
$
-
 
$
85,849
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cash equivalents:
 
 
 
 
 
 
 
 
 
 
 
 
 
Money market securities
 
 
37,099
 
 
-
 
 
-
 
 
37,099
 
Total cash equivalents
 
 
37,099
 
 
-
 
 
-
 
 
37,099
 
Total cash and cash equivalents
 
 
122,948
 
 
-
 
 
-
 
 
122,948
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Short-term investments:
 
 
 
 
 
 
 
 
 
 
 
 
 
State and municipal bonds
 
 
33,155
 
 
25
 
 
(9)
 
 
33,171
 
Total short-term investments
 
 
33,155
 
 
25
 
 
(9)
 
 
33,171
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total cash, cash equivalents and short-term investments
 
$
156,103
 
$
25
 
$
(9)
 
$
156,119