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Note 9 - Goodwill and Intangible Assets
12 Months Ended
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Disclosure [Text Block]

9. Goodwill and Intangible Assets 


The changes in the carrying amount of goodwill for the years ended December 31, 2014 and 2013 are as follows:


   

Year Ended December 31, 2014

   

Year Ended December 31, 2013

 
   

Gross

   

Accumulated Impairment

   

Net

   

Gross

   

Accumulated Impairment

   

Net

 

Balance at beginning of year

  $ 1,111,480     $ (503,193 )   $ 608,287     $ 1,056,136     $ (503,193 )   $ 552,943  

Acquisitions of businesses, net

    27,278       -     $ 27,278       56,605       -     $ 56,605  

Sale of business, net

    -       -       -       (1,261 )     -       (1,261 )

Balance at end of year

  $ 1,138,758     $ (503,193 )   $ 635,565     $ 1,111,480     $ (503,193 )   $ 608,287  

See Note 3, “Acquisitions,” to consolidated financial statements for further information regarding the Company’s acquisitions.


The following table summarizes intangible assets by major category as of December 31, 2014 and 2013:


   

Weighted

Average

   

2014

   

2013

 
   

Amortization

Years

   

Cost

   

Accumulated

Impairment

   

Net Cost

   

Cost

   

Accumulated

Impairment

   

Net Cost

 

Indefinite lived intangible assets

                                                       

Trade names

          $ 192,073     $ (9,389 )   $ 182,684     $ 182,585     $ (9,389 )   $ 173,196  

           

Cost

   

Accumulated

Amortization

   

Amortized Cost

   

Cost

   

Accumulated

Amortization

   

Amortized Cost

 

Finite lived intangible assets

                                                       

Trade names

    0     $ 8,775     $ (8,775 )   $ -     $ 8,775     $ (8,775 )   $ -  

Customer lists

    8       304,180       (263,178 )     41,002       294,627       (251,863 )     42,764  

Patents

    15       121,341       (64,447 )     56,894       118,921       (56,503 )     62,418  

Unpatented technology

    13       13,169       (10,435 )     2,734       13,169       (9,064 )     4,105  

Software

    8       1,046       (1,037 )     9       1,046       (912 )     134  

Non-compete/other

    7       1,961       (406 )     1,555       345       (137 )     208  

Total finite lived intangible assets

          $ 450,472     $ (348,278 )   $ 102,194     $ 436,883     $ (327,254 )   $ 109,629  

Amortization of intangible assets was $21,024, $25,819 and $45,867 in 2014, 2013 and 2012, respectively. Excluding the impact of any future acquisitions, the Company estimates amortization expense for the next five years will be as follows: 2015, $20,965; 2016, $19,015; 2017, $15,624; 2018, $11,422; 2019, $9,600.