CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Jan. 31, 2012	Jan. 31, 2011
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions paid to common shareholders, net of reinvestment	$ 7,548	$ 7,831
Distributions paid to noncontrolling interests - Unitholders of the Operating Partnership, net reinvestment	$ 504	$ 525

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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