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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Apr. 30, 2011 | Apr. 30, 2010 | Apr. 30, 2009
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Distributions paid to common shareholders, net of reinvestment | $ 10,627 | $ 9,762 | $ 10,603
Distributions paid to noncontrolling interests - Unitholders of the Operating Partnership, net reinvestment | $ 746 | $ 772 | $ 782

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- Definition The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 + Details
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