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EARNINGS PER SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Jul. 31, 2013 | Jul. 31, 2012
NUMERATOR [Abstract] |  |
Income from continuing operations - Investors Real Estate Trust | $ 1,718 | $ 1,571
Income from discontinued operations - Investors Real Estate Trust | 1,360 | 108
Net income attributable to Investors Real Estate Trust | 3,078 | 1,679
Dividends to preferred shareholders | (2,879) | (593)
Numerator for basic earnings per share - net income available to common shareholders | 199 | 1,086
Noncontrolling interests - Operating Partnership | 50 | 251
Numerator for diluted earnings per share | $ 249 | $ 1,337
DENOMINATOR [Abstract] |  |
Denominator for basic earnings per share weighted average shares | 102,358 | 90,518
Effect of convertible operating partnership units | 21,821 | 20,774
Denominator for diluted earnings per share | 124,179 | 111,292
(Loss) earnings per common share from continuing operations - Investors Real Estate Trust - basic and diluted | $ (0.01) | $ 0.01
Earnings per common share from discontinued operations - Investors Real Estate Trust - basic and diluted | $ 0.01 | $ 0.00
NET INCOME PER COMMON SHARE - BASIC AND DILUTED | $ 0.00 | $ 0.01

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