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Subsequent Events	12 Months Ended
Subsequent Events	Mar. 31, 2012
Subsequent Events [Abstract]
Subsequent Events	NOTE 19 – SUBSEQUENT EVENTS The Company has evaluated subsequent events for potential recognition or disclosure in these financial statements. In May 2012, the Company was notified that a total of $17.6 million in auction rate security holdings would be settled at par on June 1, 2012. As a result, the Company has reclassified $17.6 million from long-term marketable securities to short-term marketable securities on its consolidated balance sheet. No other material subsequent events have occurred since March 31, 2012 that required recognition or disclosure in these financial statements.