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Restructuring And Impairments (Tables)
9 Months Ended
Dec. 31, 2011
Restructuring And Impairments [Abstract]  
Schedule Of Restructuring Charges And Cash Payments
    Severance pay and     Facility        
    benefits     exit costs     Total  
 
Accrued restructuring balance at October 1, 2011 $ 2,076   $ 127   $ 2,203  
Charges to operations   2,181     -     2,181  
Cash payments   (1,647 )   (16 )   (1,663 )
Accrued restructuring balance at December 31, 2011 $ 2,610   $ 111   $ 2,721  
 
Accrued restructuring balance at April 1, 2011 $ -   $ -   $ -  
Charges to operations   5,437     127     5,564  
Cash payments   (2,827 )   (16 )   (2,843 )
Accrued restructuring balance at December 31, 2011 $ 2,610   $ 111   $ 2,721