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Goodwill and Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2013
Goodwill and Intangible Assets  
Summary of detail and activity of goodwill by segment

 

 

 
   MMS   ATA   Total  
 
   (in thousands)
  

Balance at December 31, 2011

   $ —   $ —   $ —  

Acquisition of Usach

     8,497     —     8,497  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Balance at December 31, 2012

     8,497     —     8,497  

Acquisition of Forkardt

     —     5,678     5,678  

Impairment loss

     (3,809 )   —     (3,809 )

Disposal of Forkardt Switzerland

     —     (662 )   (662 )

Other adjustments

     160     —     160  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Balance at December 31, 2013

   $ 4,848   $ 5,016   $ 9,864  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
               
Summary of the major components of intangible assets other than goodwill

 

 

 
   December 31,
2013		   December 31,
2012		  
 
   (in thousands)
  

Gross amortizable intangible assets:

              

Land rights

   $ 2,865   $ 2,784  

Patents

     3,030     3,006  

Technical know-how, customer list, and other

     21,375     12,152  
           
​ ​ ​ ​ ​ ​ ​ ​

Total gross amortizable intangible assets

     27,270     17,942  

Accumulated amortization:

    
 		    
 		  

Land rights

     (177 )   (116 )

Patents

     (2,884 )   (2,807 )

Technical know-how, customer list, and other

     (5,220 )   (3,870 )
           
​ ​ ​ ​ ​ ​ ​ ​

Total accumulated amortization

     (8,281 )   (6,793 )
           
​ ​ ​ ​ ​ ​ ​ ​

Amortizable intangible assets, net

     18,989     11,149  
           
​ ​ ​ ​ ​ ​ ​ ​

Indefinite lived intangible assets:

              

Assets associated with Bridgeport acquisition(1)

     7,354     7,595  

Usach trade name(2)

     1,550     2,840  

Forkardt trade name(3)

     4,170     —  
           
​ ​ ​ ​ ​ ​ ​ ​

 

     13,074     10,435  
           
​ ​ ​ ​ ​ ​ ​ ​

Intangible assets other than goodwill, net

   $ 32,063   $ 21,584  
           
​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​
           
(1)
Represents the aggregate value of the trade name, trademarks and copyrights associated with the former worldwide operations of Bridgeport. We use the Bridgeport brand name on all of our machining center lines. After consideration of legal, regulatory, contractual, competitive, economic and other factors, the asset has been determined to have an indefinite useful life.

(2)
Represents the value of the trade name associated with Usach which the Company acquired in 2012. We use the Usach trade name on all of the grinding machines and grinding systems manufactured by Usach. After consideration of legal, regulatory, contractual, competitive, economic and other factors, the asset has been determined to have an indefinite useful life.

(3)
Represents the value of the trade name associated with Forkardt which the Company acquired in 2013. We use the Forkardt trade name on all of the products manufactured by Forkardt. After consideration of legal, regulatory, contractual, competitive, economic and other factors, the asset has been determined to have an indefinite useful life.
Schedule of remaining weighted average amortization period of amortizable intangible assets

 

 

 
   2013   2012  
 
   (in years)
  

Land rights

     46.9     47.9  

Patents

     2.8     3.0  

Technical know-how, customer list, and other

     15.4     14.7  
           
​ ​ ​ ​ ​ ​ ​ ​

Total weighted average amortization period

     19.7     23.1