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ACQUISITIONS (Details 4) (EDT, USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Mar. 31, 2012
Mar. 31, 2011
EDT
   
Unaudited pro forma information    
Revenues $ 500,105 $ 450,222
Net (loss) income $ (108,782) $ 10,265
Basic and diluted (loss) earnings per common share $ (0.84) $ 0.08