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MORTGAGES PAYABLE AND CONSTRUCTION DEBT (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Apr. 30, 2017 USD ($) loan | Apr. 30, 2016 USD ($)
Aggregate amount of required future principal payments on mortgages payable [Abstract] |  |
Total payments | $ 661,960 | $ 812,393
Mortgages Payable [Member] |  |
Debt Instrument [Line Items] |  |
Mortgages maturity date range, start | May 28, 2017 |
Mortgages maturity date range, end | Jul. 01, 2036 |
Number of loans in default | loan | 0 |
Fixed rate mortgages | $ 629,500 | 689,300
Variable rate mortgages | $ 57,700 | $ 196,800
Weighted average interest rate (in hundredths) | 4.71% | 4.54%
Aggregate amount of required future principal payments on mortgages payable [Abstract] |  |
2018 | $ 40,777 |
2019 | 75,918 |
2020 | 93,678 |
2021 | 136,390 |
2022 | 87,654 |
Thereafter | 231,023 |
Total payments | 665,440 |
Mortgages Payable [Member] | Assets Held for Sale [Member] |  |
Aggregate amount of required future principal payments on mortgages payable [Abstract] |  |
2018 | 16,621 |
2019 | 1,870 |
2020 | 183 |
2021 | 193 |
2022 | 993 |
Thereafter | 1,943 |
Total payments | $ 21,803 |
Mortgages Payable [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate on mortgages payable (in hundredths) | 3.28% |
Mortgages Payable [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate on mortgages payable (in hundredths) | 6.66% |
Construction Debt [Member] |  |
Debt Instrument [Line Items] |  |
Construction debt | $ 41,700 | $ 82,000
Weighted average interest rate (in hundredths) | 3.27% | 2.74%
Amount available to be drawn under construction loans | $ 4,800 |

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- Definition This element represents the carrying value of a short-term real estate loan to finance building costs. The funds are disbursed as needed or in accordance with a prearranged plan; generally, a portion of the funds is disbursed at inception and the remainder as construction progresses. The money is repaid on completion of the project, usually from the proceeds of a mortgage loan. The rate is normally higher than the prime rate, and there is usually an origination fee. The effective yield on these loans tends to be high, and the lender has a security interest in the real property. Note that there are separate concepts for the current and noncurrent portions of long-term construction loans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 + Details
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