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Net Earnings Per Share (Narrative) (Details)	3 Months Ended		9 Months Ended
Net Earnings Per Share (Narrative) (Details)	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2013	Nov. 30, 2012
Net Earnings Per Share [Abstract]
Anti-dilutive securities not included in calculation of diluted net earnings per share	1,309,282	3,794,317	1,175,274	3,833,199

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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