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Comprehensive Income
 6 Months Ended
Oct. 31, 2011
Comprehensive Income [Abstract]  
Comprehensive Income

3. Comprehensive Income

Comprehensive income is comprised of net income and all changes to stockholders' equity, except those changes resulting from investments by stockholders (changes in paid in capital) and distributions to stockholders (dividends).

Total comprehensive income is as follows:

 

     Three Months Ended
October 31,		      Six Months Ended
October 31,		  
     2011     2010      2011     2010  
     (in thousands)  

Net income

    $ 15,147      $ 13,656       $ 30,558      $ 24,560   

Foreign currency translation adjustments

      (6,167 )      7,758         (6,994 )      3,974   

Unrealized (losses) gains on marketable securities, net of taxes

      (142 )      42         (89 )      41   
  

 

 

    

 

 

     

 

 

    

 

 

  

Comprehensive income

    $ 8,838      $ 21,456       $ 23,475      $ 28,575   
  

 

 

    

 

 

     

 

 

    

 

 

  

The components of accumulated other comprehensive income were as follows:

 

     October 31,
2011		     April 30,
2011		  
     (in thousands)  

Foreign currency translation adjustments

    $ 28,645      $ 35,639   

Defined benefit pension adjustments, net of taxes

      (10,014 )      (10,014 ) 

Unrealized (losses) gains on marketable securities, net of taxes

      (54 )      35   
  

 

 

    

 

 

  

Accumulated other comprehensive income

    $ 18,577      $ 25,660