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Interest and Other expense, Net (Tables)
12 Months Ended
Mar. 31, 2012
Interest and Other expense, Net [Abstract]  
Components of interest and other expense
                         
(In thousands)   2012     2011     2010  

Interest income

  $ 23,697     $ 18,427     $ 18,782  

Interest expense

    (54,576     (44,715     (25,989

Other income, net

    157       7,873       628  
   

 

 

   

 

 

   

 

 

 
    $ (30,722   $ (18,415   $ (6,579