CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (Parenthetical) (USD $) In Thousands	3 Months Ended
Jul. 31, 2011	Jul. 31, 2010
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions paid to common shareholders, net of reinvestment	$ 2,742	$ 2,589
Distributions paid to noncontrolling interests - Unitholders of the Operating Partnership, net reinvestment	$ 208	$ 184

The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 18

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