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CONSOLIDATED STATEMENTS OF EQUITY (USD $) | PREFERRED SHARES [Member] | COMMON SHARES [Member] | ACCUMULATED DISTRIBUTIONS IN EXCESS OF NET INCOME [Member] | NONCONTROLLING INTERESTS [Member] | Total | Preferred Class A [Member] ACCUMULATED DISTRIBUTIONS IN EXCESS OF NET INCOME [Member] | Preferred Class A [Member] | Preferred Class B [Member] ACCUMULATED DISTRIBUTIONS IN EXCESS OF NET INCOME [Member] | Preferred Class B [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Apr. 30, 2011 | $ 27,317,000 | $ 621,936,000 | $ (237,563,000) | $ 132,600,000 | $ 544,290,000 |  |  |  |
Balance, shares (in shares) at Apr. 30, 2011 | 1,150,000 | 80,523,000 |  |  |  |  |  |  |
Net income attributable to Investors Real Estate Trust and nonredeemable noncontrolling interests |  |  | 2,706,000 | 348,000 | 3,054,000 |  |  |  |
Distributions - common shares and units |  |  | (24,492,000) | (5,969,000) | (30,461,000) |  |  |  |
Distributions - preferred shares |  |  |  |  | (1,186,000) | (1,186,000) |  |  |
Distribution reinvestment and share purchase plan |  | 16,902,000 |  |  | 16,902,000 |  |  |  |
Distribution reinvestment and share purchase plan (in shares) |  | 2,302,000 |  |  |  |  |  |  |
Shares issued |  | 773,000 |  |  | 773,000 |  |  |  | 0
Shares issued, shares (in shares) |  | 99,000 |  |  |  |  |  |  |
Partnership units issued |  |  |  | 1,974,000 | 1,974,000 |  |  |  |
Redemption of units for common shares |  | 3,454,000 |  | (3,454,000) | 0 |  |  |  |
Redemption of units for common shares, shares (in shares) |  | 759,000 |  |  |  |  |  |  |
Adjustments to redeemable noncontrolling interests |  | (35,000) |  |  | (35,000) |  |  |  |
Other |  | (8,000) |  | 1,865,000 | 1,857,000 |  |  |  |
Other, shares (in shares) |  | (1,000) |  |  |  |  |  |  |
Balance at Oct. 31, 2011 | 27,317,000 | 643,022,000 | (260,535,000) | 127,364,000 | 537,168,000 |  |  |  |
Balance, shares (in shares) at Oct. 31, 2011 | 1,150,000 | 83,682,000 |  |  |  |  |  |  |
Balance at Apr. 30, 2012 | 27,317,000 | 684,049,000 | (278,377,000) | 132,274,000 | 565,263,000 |  |  |  |
Balance, shares (in shares) at Apr. 30, 2012 | 1,150,000 | 89,474,000 |  |  |  |  |  |  |
Net income attributable to Investors Real Estate Trust and nonredeemable noncontrolling interests |  |  | 10,191,000 | 1,815,000 | 12,006,000 |  |  |  |
Distributions - common shares and units |  |  | (23,739,000) | (5,431,000) | (29,170,000) |  |  |  |
Distributions - preferred shares |  |  |  |  | (3,471,000) | (1,186,000) | (1,186,000) | (2,285,000) | (2,285,000)
Distribution reinvestment and share purchase plan |  | 24,421,000 |  |  | 24,421,000 |  |  |  |
Distribution reinvestment and share purchase plan (in shares) |  | 3,165,000 |  |  |  |  |  |  |
Shares issued |  | 2,846,000 |  |  | 2,846,000 |  |  |  | 111,357,000
Shares issued, shares (in shares) | 4,600,000 | 396,000 |  |  |  |  |  |  |
Series B preferred shares issued | 111,357,000 |  |  |  | 111,357,000 |  |  |  |
Partnership units issued |  |  |  | 8,116,000 | 8,116,000 |  |  |  |
Redemption of units for common shares |  | 579,000 |  | (579,000) | 0 |  |  |  |
Redemption of units for common shares, shares (in shares) |  | 128,000 |  |  |  |  |  |  |
Other |  | (15,000) |  | 1,136,000 | 1,121,000 |  |  |  |
Other, shares (in shares) |  | (2,000) |  |  |  |  |  |  |
Balance at Oct. 31, 2012 | $ 138,674,000 | $ 711,880,000 | $ (295,396,000) | $ 137,331,000 | $ 692,489,000 |  |  |  |
Balance, shares (in shares) at Oct. 31, 2012 | 5,750,000 | 93,161,000 |  |  |  |  |  |  |

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