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FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified | Apr. 30, 2014 | Apr. 30, 2013
--- | --- | ---
Carrying Amount [Member] |  |
FINANCIAL ASSETS [Abstract] |  |
Cash and cash equivalents | $ 47,267 | $ 94,133
Other investments | 329 | 639
FINANCIAL LIABILITIES [Abstract] |  |
Other debt | 63,132 | 18,076
Lines of credit | 22,500 | 10,000
Mortgages payable | 997,689 | 1,049,206
Fair Value [Member] |  |
FINANCIAL ASSETS [Abstract] |  |
Cash and cash equivalents | 47,267 | 94,133
Other investments | 329 | 639
FINANCIAL LIABILITIES [Abstract] |  |
Other debt | 63,250 | 18,156
Lines of credit | 22,500 | 10,000
Mortgages payable | 1,130,262 | 1,160,190
Nonrecurring [Member] |  |
Fair Value Measurements on a Nonrecurring Basis [Abstract] |  |
Real estate investments | 95,437 |
Real estate held for sale | 2,951 | 2,067
Nonrecurring [Member] | Level 1 [Member] |  |
Fair Value Measurements on a Nonrecurring Basis [Abstract] |  |
Real estate investments | 0 |
Real estate held for sale | 0 | 0
Nonrecurring [Member] | Level 2 [Member] |  |
Fair Value Measurements on a Nonrecurring Basis [Abstract] |  |
Real estate investments | 0 |
Real estate held for sale | 0 | 0
Nonrecurring [Member] | Level 3 [Member] |  |
Fair Value Measurements on a Nonrecurring Basis [Abstract] |  |
Real estate investments | 95,437 |
Real estate held for sale | $ 2,951 | $ 2,067

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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loan receivable as presented on the statement of financial position which may include investments in land and buildings, excluding real estate considered to be inventory of the entity. + References No definition available. + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loan receivable as presented on the statement of financial position which may include investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity. + References No definition available. + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13476-108611 + Details
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Available-for-Sale Securities -URI http://asc.fasb.org/extlink&oid=6505594 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph a, f, g -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e24584-111560 + Details
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- Definition Fair value portion of contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Line-of-Credit Arrangement -URI http://asc.fasb.org/extlink&oid=6517033 + Details
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