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v3.6.0.2

RELATED PARTY TRANSACTIONS (Details) |  | 6 Months Ended |
--- | --- | --- | ---
Aug. 26, 2016 USD ($) item property | Oct. 31, 2016 USD ($) | Oct. 31, 2015 USD ($) | Apr. 30, 2016
BANKING SERVICES [Abstract] |  |  |  |
Compensating balance |  | $ 14,818,000 |  |
LEASE TRANSACTION [Abstract] |  |  |  |
Sale price |  | $ 57,550,000 | $ 378,860,000 |
Mortgages Payable [Member] |  |  |  |
BANKING SERVICES [Abstract] |  |  |  |
Variable interest rate (in hundredths) |  | 4.55% |  | 4.54%
Carrying principal balance |  | $ 844,600,000 |  |
BMO [Member] |  |  |  |
Sales Agreement [Abstract] |  |  |  |
Number of agreements to sell | item | 6 |  |  |
Sales price of pending disposition | $ 236,000,000 |  |  |
Senior Housing properties [Member] | BMO [Member] |  |  |  |
Sales Agreement [Abstract] |  |  |  |
Number of real estate properties classified as held for sale | property | 26 |  |  |
Multi-Family Residential [Member] | BMO [Member] |  |  |  |
Sales Agreement [Abstract] |  |  |  |
Number of real estate properties classified as held for sale | property | 1 |  |  |

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