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DISCONTINUED OPERATIONS (Details) (USD $) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2013 | Oct. 31, 2012 | Oct. 31, 2013 Property | Oct. 31, 2012 | Apr. 30, 2013 Property
DISCONTINUED OPERATIONS [Abstract] |  |  |  |  |
Number Of Condominium Units Sold |  |  |  |  | 4
Number of industrial held for sale |  |  | 1 |  |
REVENUE |  |  |  |  |
Real estate rentals | $ 54,836,000 | $ 51,403,000 | $ 108,812,000 | $ 100,775,000 |
Tenant reimbursement | 11,354,000 | 10,855,000 | 22,885,000 | 20,828,000 |
TOTAL REVENUE | 66,190,000 | 62,258,000 | 131,697,000 | 121,603,000 |
EXPENSES |  |  |  |  |
Depreciation/amortization related to real estate investments | 16,453,000 | 15,009,000 | 34,600,000 | 29,700,000 |
Utilities | 5,239,000 | 4,798,000 | 10,192,000 | 8,961,000 |
Maintenance | 7,203,000 | 6,375,000 | 14,981,000 | 13,539,000 |
Real estate taxes | 8,432,000 | 7,836,000 | 16,877,000 | 15,721,000 |
Insurance | 1,421,000 | 916,000 | 2,729,000 | 1,786,000 |
Property management expenses | 4,217,000 | 3,892,000 | 8,380,000 | 7,541,000 |
Other expenses | 678,000 | 513,000 | 1,357,000 | 1,032,000 |
Amortization related to non-real estate investments | 804,000 | 749,000 | 1,752,000 | 1,501,000 |
Impairment of real estate investments |  |  | 1,860,000 | 0 |
TOTAL EXPENSES | 46,977,000 | 42,381,000 | 96,593,000 | 84,504,000 |
Interest expense | (14,848,000) | (15,727,000) | (29,500,000) | (31,544,000) |
Gain (loss) on sale of discontinued operations |  |  | 6,641,000 | 2,680,000 |
INCOME FROM DISCONTINUED OPERATIONS | 5,280,000 | 3,394,000 | 6,081,000 | 3,843,000 |
Discontinued Operations [Member] |  |  |  |  |
REVENUE |  |  |  |  |
Real estate rentals | 855,000 | 2,303,000 | 2,134,000 | 4,695,000 |
Tenant reimbursement | 460,000 | 699,000 | 1,123,000 | 1,382,000 |
TOTAL REVENUE | 1,315,000 | 3,002,000 | 3,257,000 | 6,077,000 |
EXPENSES |  |  |  |  |
Depreciation/amortization related to real estate investments | 222,000 | 748,000 | 668,000 | 1,510,000 |
Utilities | (21,000) | 91,000 | 77,000 | 159,000 |
Maintenance | 38,000 | 180,000 | 174,000 | 441,000 |
Real estate taxes | 272,000 | 477,000 | 730,000 | 982,000 |
Insurance | 30,000 | 47,000 | 72,000 | 99,000 |
Property management expenses | 44,000 | 116,000 | 134,000 | 234,000 |
Other expenses | 0 | 10,000 | 0 | 16,000 |
Amortization related to non-real estate investments | 35,000 | 50,000 | 80,000 | 131,000 |
Impairment of real estate investments | 57,000 | 0 | 1,595,000 | 0 |
TOTAL EXPENSES | 677,000 | 1,719,000 | 3,530,000 | 3,572,000 |
Operating (loss) income | 638,000 | 1,283,000 | (273,000) | 2,505,000 |
Interest expense | (56,000) | (642,000) | (287,000) | (1,342,000) |
(Loss) income from discontinued operations before gain (loss) on sale | 582,000 | 641,000 | (560,000) | 1,163,000 |
Gain (loss) on sale of discontinued operations | 4,698,000 | 2,753,000 | 6,641,000 | 2,680,000 |
INCOME FROM DISCONTINUED OPERATIONS | $ 5,280,000 | $ 3,394,000 | $ 6,081,000 | $ 3,843,000 |

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