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Note 3 - Goodwill and Purchased Intangible Assets
6 Months Ended
Jun. 25, 2016
Notes to Financial Statements  
Goodwill and Intangible Assets Disclosure [Text Block]
3.         
Goodwill and Other Purchased Intangible Assets
 
Changes in the carrying value of goodwill during the year ended December 26, 2015 and the six-month period ended June 25, 2016 were as follows
(
in thousands
):
 
   
Goodwill
 
Balance, December 27, 2014
  $ 63,132  
Impact of currency exchange
    (2,868 )
Balance, December 26, 2015
    60,264  
Impact of currency exchange
    489  
Balance, June 25, 2016
  $ 60,753  
 
Purchased intangible assets, subject to amortization are as follows
(
in thousands
)
:
 
   
June 25, 2016
   
December 26, 2015
 
   
Gross Carrying
Amount
   
Accumulated
Amortization
   
Remaining
Useful Life (years)
   
Gross Carrying
Amount
   
Accumulated
Amortization
 
Rasco technology
  $ 27,246     $ 25,756       0.4     $ 26,904     $ 23,776  
Ismeca technology
    27,457       12,185       4.6       27,043       10,329  
Trade names
    5,628       305       14.2       5,547       92  
    $ 60,331     $ 38,246             $ 59,494     $ 34,197  
 
Amortization expense related to intangible assets was approximately $1.8 million in the second quarter of fiscal 2016 and $3.6 million in the first six months of fiscal 2016. Amortization expense related to intangible assets was approximately $1.7 million in the second quarter of fiscal 2015 and $3.5 million in the first six months of fiscal 2015. Changes in the carrying values of these intangible assets are a result of the impact of fluctuations in currency exchange rates.