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SUBSEQUENT EVENTS (Tables) | 9 Months Ended
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Jan. 31, 2015
SUBSEQUENT EVENTS [Abstract] |
Common and Preferred Share Distributions | Common and Preferred Share Distributions. On February 13, 2015, the Company's Board of Trustees declared the following distributions:
Class of shares/units | Quarterly Amount per Share or Unit |  | Record Date |  | Payment Date
Common shares and limited partnership units | $0.1300 |  | March 16, 2015 |  | April 1, 2015
Preferred shares: |  |  |  |  |
Series A | $0.5156 |  | March 16, 2015 |  | March 31, 2015
Series B | $0.4968 |  | March 16, 2015 |  | March 31, 2015

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- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
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