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EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2016 | Oct. 31, 2015
EARNINGS PER SHARE [Abstract] |  |  |  |
Ratio of units exchanged for shares |  |  | one-for-one |
Minimum holding period |  |  | 1 year |
NUMERATOR [Abstract] |  |  |  |
(Loss) income from continuing operations – Investors Real Estate Trust | $ 2,426 | $ 1,474 | $ (22,488) | $ 5,341
Income from discontinued operations - Investors Real Estate Trust | 9,174 | 15,192 | 12,445 | 15,865
Net income (loss) attributable to Investors Real Estate Trust | 11,600 | 16,666 | (10,043) | 21,206
Dividends to preferred shareholders | (2,878) | (2,878) | (5,757) | (5,757)
NET INCOME (LOSS) AVAILABLE TO COMMON SHAREHOLDERS | 8,722 | 13,788 | (15,800) | 15,449
Noncontrolling interests - Operating Partnership | 1,174 | 1,527 | (2,122) | 1,713
Numerator for diluted (loss) earnings per share | $ 9,896 | $ 15,315 | $ (17,922) | $ 17,162
DENOMINATOR [Abstract] |  |  |  |
Denominator for basic earnings per share weighted average shares (in shares) | 121,154 | 124,665 | 121,135 | 124,757
Effect of convertible operating partnership units (in shares) | 16,264 | 13,900 | 16,276 | 13,929
Denominator for diluted earnings per share (in shares) | 137,418 | 138,565 | 137,411 | 138,686
(Loss) earnings per common share from continuing operations - Investors Real Estate Trust - basic and diluted (in dollars per share) |  | $ (0.01) | $ (0.23) |
Earnings per common share from discontinued operations - Investors Real Estate Trust - basic and diluted (in dollars per share) | $ 0.07 | 0.12 | 0.10 | $ 0.12
NET INCOME (LOSS) PER COMMON SHARE – BASIC & DILUTED | $ 0.07 | $ 0.11 | $ (0.13) | $ 0.12

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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References No definition available. + Details
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