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Valuation and Qualifying Accounts
 12 Months Ended
Mar. 31, 2012
Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts Valuation and Qualifying Accounts

Schedule II — Valuation and Qualifying Accounts Years ended March 31, 2012, 2011 and 2010 (In thousands)

 

                                 
         
Classification   Balance at
beginning
of year		     Charged to
costs and
expenses		     Deductions     Balance at
end of
year		  

2012

                                

Allowance for doubtful accounts

   $ 661     $ 226     $ (255 )    $ 632  

2011

                                

Allowance for doubtful accounts

   $ 1,223     $ 172     $ (734 )    $ 661  

2010

                                

Allowance for doubtful accounts

   $ 2,535     $ 220     $ (1,532 )    $ 1,223