XML 42 R31.htm IDEA: XBRL DOCUMENT
v3.3.1.900

SUBSEQUENT EVENTS (Tables) | 9 Months Ended
--- | ---
Jan. 31, 2016
SUBSEQUENT EVENTS [Abstract] |
Common and Preferred Share Distributions | Common and Preferred Share Distributions. On March 8, 2016, our 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 21, 2016 | April 1, 2016
Preferred shares: |  |  |  |  |  |
Series A |  | $ | 0.5156 |  | March 21, 2016 | March 31, 2016
Series B |  | $ | 0.4968 |  | March 21, 2016 | March 31, 2016

X
- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
Name: | us-gaap_DividendsDeclaredTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SubsequentEventsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration