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Note 5 - Goodwill and Intangible Assets
9 Months Ended
Sep. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Disclosure [Text Block]

 (5)              Goodwill and Intangible Assets


Goodwill at December 31, 2012 and September 30, 2013 consists of the following (in thousands):


   

December 31,

2012

   

September 30,

2013

 

Balance at beginning of period

  $ 300,260     $ 370,143  

Goodwill acquired during the period

    60,373       —  

Adjustments to prior year acquisitions

    7,109       5,629  

Effect of foreign currency translation

    2,401       (6,947 )

Balance at end of period

  $ 370,143     $ 368,825  

Intangible assets at December 31, 2012 and September 30, 2013, consist of the following (in thousands):


             

December 31, 2012

 
   

Estimated

useful lives

(months)

   

Gross

carrying

amount

   

Accumulated

amortization

   

Net

carrying

value

 

Amortizable intangible assets:

                                 

Customer relationships

  40 to 60     $ 204,699     $ (90,040 )   $ 114,659  

Tradenames

  45 to 84       60,620       (24,413 )     36,207  

Covenants not-to-compete

    36         3,116       (2,313 )     803  

Technology

  24 to 40       7,530       (6,303 )     1,227  

Totals

            $ 275,965     $ (123,069 )   $ 152,896  

             

September 30, 2013

   

Estimated

useful lives

(months)

   

Gross

carrying

amount

   

Accumulated

amortization

   

Net

carrying

value

 

Amortizable intangible assets:

                                 

Customer relationships

  40 to 60     $ 199,889     $ (122,907 )   $ 76,982  

Tradenames

  45 to 84       59,395       (33,211 )     26,184  

Covenants not-to-compete

    36         3,744       (2,734 )     1,010  

Technology

  24 to 40       7,478       (7,148 )     330  

Totals

            $ 270,506     $ (166,000 )   $ 104,506  

The aggregate intangible amortization expense was $13.1 million and $38.2 million for the three and nine months ended September 30, 2012, respectively. The aggregate intangible amortization expense was $14.5 million and $43.9 million for the three and nine months ended September 30, 2013, respectively.


The estimated future amortization expense of intangible assets is as follows (in thousands):


   

Amount

 
         

Three months ended December 31, 2013

  $ 13,093  

Year ended December 31:

       

2014

    38,292  

2015

    28,921  

2016

    15,393  

2017

    8,391  

Thereafter

    416  

Total

  $ 104,506