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Note O - Commitments, Contingencies and Other (Tables)
12 Months Ended
Dec. 31, 2011
Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits by Title of Individual and Type of Deferred Compensation [Table Text Block]
2012   $ 5,065  
2013     3,123  
2014     993  
2015     500  
2016     250  
    $ 9,931  
Royalty Guarantees Commitments [Table Tax Block]

Year Ending

December 31,

     
2012   $ 1,043  
2013     650  
    $ 1,693  
Allowance for Credit Losses on Financing Receivables [Table Text Block]
   

2011

   

2010

   

2009

 
Balance at beginning of year   $ 15,258     $ 13,682     $ 11,301  
Charged to reserve                  
Increase in reserve     2,961       1,576       2,381  
                         
Balance at end of year   $ 18,219     $ 15,258     $ 13,682  
Schedule of Goodwill [Table Text Block]
   

2011

   

2010

   

2009

 
Cost basis                  
Balance at beginning of year   $ 39,211     $ 24,911     $ 24,172  
Acquisitions and purchase price adjustments     36,982       14,300       739  
Write-off of impaired assets                  
Balance at end of year     76,193       39,211       24,911  
                         
Accumulated amortization                        
Balance at beginning of year     598       598       598  
Write-off of impaired assets                  
Balance at end of year     598       598       598  
                         
Goodwill   $ 75,595     $ 38,613     $ 24,313