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EQUITY (Details) - USD ($) | 3 Months Ended
--- | ---
Jul. 31, 2016 | Jul. 31, 2015 | Oct. 31, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Aggregate offering price |  |  | $ 75,000,000
Units converted to common stock (in shares) | 0 | 78,000 |
Units converted to common stock |  | $ 576,000 |
2015 Incentive Plan [Member] |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Equity awards issued (in shares) | 378,000 |  |
Shares issued | $ 1,400,000 |  |
2008 Incentive Award Plan [Member] |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Equity awards issued (in shares) | 59,000 | 220,000 |
Shares issued | $ 352,000 | $ 1,600,000 |
Distribution Reinvestment and Share Purchase Plan [Member] |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Shares issued (in shares) | 0 | 766,000 |
Shares issued |  | $ 5,200,000 |
Average price of shares issued (in dollars per share) |  | $ 6.84 |
Distribution Reinvestment and Share Purchase Plan [Member] | Maximum [Member] |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Shares registered (in shares) | 10,000 |  |

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