Accrued Liabilities
 6 Months Ended
Nov. 30, 2011
Accrued Liabilities [Abstract]  
Accrued Liabilities

NOTE E – ACCRUED LIABILITIES

Accrued liabilities consist of the following:

 

                 
     Nov 30,
2011		      May 31,
2011		  
     (in thousands)  

Payroll and related expenses

    $ 7,430       $ 6,427   

Royalties

      1,567         1,562   

Sales and franchise taxes

      1,225         930   

Fair value of interest rate swaps

      1,181         1,028   

Other

      3,119         3,894   
    

 

 

     

 

 

  

Total

    $ 14,522       $ 13,841