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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 |  |  | 4,833,000 | 740,000 | 5,573,000 |  |  |  |
Distributions - common shares and units |  |  | (35,433,000) | (8,513,000) | (43,946,000) |  |  |  |
Distributions - preferred shares |  |  |  |  | (1,779,000) | (1,779,000) | (1,779,000) |  |
Distribution reinvestment and share purchase plan |  | 28,831,000 |  |  | 28,831,000 |  |  |  |
Distribution reinvestment and share purchase plan (in shares) |  | 3,992,000 |  |  |  |  |  |  |
Shares issued |  | 3,413,000 |  |  | 3,413,000 |  |  |  |
Shares issued, shares (in shares) |  | 471,000 |  |  |  |  |  |  |
Partnership units issued |  |  |  | 2,469,000 | 2,469,000 |  |  |  |
Redemption of units for common shares |  | 3,454,000 |  | (3,454,000) | 0 |  |  |  |
Redemption of units for common shares, shares (in shares) |  | 759,000 |  |  |  |  |  |  |
Contributions from noncontrolling interests - consolidated real estate entities |  |  |  | 2,227,000 | 2,227,000 |  |  |  |
Other |  | (330,000) |  | (586,000) | (916,000) |  |  |  |
Other, shares (in shares) |  | (2,000) |  |  |  |  |  |  |
Balance at Jan. 31, 2012 | 27,317,000 | 657,304,000 | (269,942,000) | 125,483,000 | 540,162,000 |  |  |  |
Balance, shares (in shares) at Jan. 31, 2012 | 1,150,000 | 85,743,000 |  |  |  |  |  |  |
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 |  |  | 15,515,000 | 2,644,000 | 18,159,000 |  |  |  |
Distributions - common shares and units |  |  | (35,933,000) | (8,193,000) | (44,126,000) |  |  |  |
Distributions - preferred shares |  |  |  |  | (6,350,000) | (1,779,000) | (1,779,000) | (4,571,000) | (4,571,000)
Distribution reinvestment and share purchase plan |  | 34,072,000 |  |  | 34,072,000 |  |  |  |
Distribution reinvestment and share purchase plan (in shares) |  | 4,315,000 |  |  |  |  |  |  |
Shares issued |  | 2,846,000 |  |  | 2,846,000 |  |  |  |
Shares issued, shares (in shares) |  | 396,000 |  |  |  |  |  |  |
Series B preferred shares issued | 111,357,000 |  |  |  | 111,357,000 |  |  |  |
Series B preferred shares issued, in shares | 4,600 |  |  |  |  |  |  |  |
Partnership units issued |  |  |  | 10,116,000 | 10,116,000 |  |  |  |
Redemption of units for common shares |  | 846,000 |  | (846,000) | 0 |  |  |  |
Redemption of units for common shares, shares (in shares) |  | 203,000 |  |  |  |  |  |  |
Contributions from noncontrolling interests - consolidated real estate entities |  |  |  | 7,068,000 | 7,068,000 |  |  |  |
Other |  | (71,000) |  | (55,000) | (126,000) |  |  |  |
Other, shares (in shares) |  | (2,000) |  |  |  |  |  |  |
Balance at Jan. 31, 2013 | $ 138,674,000 | $ 721,742,000 | $ (305,145,000) | $ 143,008,000 | $ 698,279,000 |  |  |  |
Balance, shares (in shares) at Jan. 31, 2013 | 5,750,000 | 94,386,000 |  |  |  |  |  |  |

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