XML 89 R69.htm IDEA: XBRL DOCUMENT
v3.5.0.1

RETIREMENT PLANS (Details) - USD ($) | 12 Months Ended
--- | ---
Apr. 30, 2016 | Apr. 30, 2015 | Apr. 30, 2014
RETIREMENT PLANS [Abstract] |  |  |
Age threshold for 401 (k) plan | 21 years |  |
Hours worked per calendar year established as threshold for 401(k) plan | 1000 hours |  |
Requisite service period to participate in contribution plan | 6 months |  |
Maximum contribution each employee towards profit sharing plan (in hundredths) | 3.50% |  |
Maximum contribution each employee, towards 401(k) plan (in hundredths) | 4.00% |  |
Total contribution percentage in profit sharing and 401(k) plan (in hundredths) | 7.50% |  |
Employer contribution towards profit sharing plan and 401(k) plan | $ 836,000 | $ 1,000,000 | $ 1,100,000

X
- Definition The minimum required age to participate in defined contribution 401(k) plan. + References No definition available. + Details
Name: | iret_AgeThresholdFor401KPlan
Namespace Prefix: | iret_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum required hours per calendar year worked to participate in defined contribution 401(k) plan. + References No definition available. + Details
Name: | iret_HoursWorkedPerCalendarYearEstablishedAsThresholdFor401KPlan
Namespace Prefix: | iret_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum total percentage per employee, by the terms of the plan, that the employer may contribute to a profit sharing plan and defined contribution plan . + References No definition available. + Details
Name: | iret_ProfitSharingPlanAndDefinedContributionPlanTotalContributionPercentage
Namespace Prefix: | iret_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration