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BASIS OF PRESENTATION (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended 3 Months Ended
Dec. 31, 2011
Dec. 31, 2011
High Separation Core Bowl [Member]
Loss Contingencies [Line Items]    
Estimated recovery of accrued liability from insurance   $ 3.0
Number of weeks in each fiscal year P52W  
Number of weeks in each quarter P13W