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Net Income Per Common Share (Narrative) (Detail) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Dec. 31, 2012	Dec. 31, 2012
Earnings Per Share [Abstract]
Common equivalent shares outstanding excluded from calculation of diluted income per common share because their effect would have been anti-dilutive	565	576

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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