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DISCONTINUED OPERATIONS, Properties Disposed of or Held for Sale (Details) - Property | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 31, 2016 | Jul. 31, 2015 | Jan. 31, 2015 | Jan. 31, 2016
Office Properties [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of real estate properties classified as held for sale in discontinued operations |  | 48 |  |
Number of properties sold |  |  | 1 | 48
Retail Properties [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of real estate properties classified as held for sale in discontinued operations |  | 17 |  |
Number of properties sold | 3 |  | 1 | 17
Healthcare Properties [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of real estate properties classified as held for sale in discontinued operations |  | 1 |  |
Number of properties sold |  |  |  | 1

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- Definition Refers to number of real estate properties classified as held for sale in discontinued operations during the period. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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