XML 101 R39.htm IDEA: XBRL DOCUMENT
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Leases (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended
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Jul. 31, 2013
Leases (Details) [Line Items] |
Number of Owned Properties Subject to Seasonal Operating Lease | 2
Decrease in Operating Leases Future Minimum Payments Receivable Remainder of Fiscal Year | $ 0.6
Decrease in Operating Leases Future Minimum Payments Receivable in Two Year | 1.1
Decrease in Operating Leases Future Minimum Payments Receivable in Three Year | 0.5
Decrease in Operating Leases Future Minimum Payments Receivable in Four Year | 0.5
Decrease in Operating Leases Future Minimum Payments Receivable in Five Year | 0.5
Decrease in Operating Leases Future Minimum Payments Receivable Thereafter | $ 0.3
Retail Site [Member] |
Leases (Details) [Line Items] |
Number of Owned Properties Subject to Operating Lease | 6
Distribution Centre [Member] |
Leases (Details) [Line Items] |
Number of Owned Properties Subject to Operating Lease | 1
Lessor Leasing Arrangements, Operating Leases, Term of Contract | 5 years

X
- Definition Decrease in operating leases future minimum payments receivable in five year. + References No definition available. + Details
Name: | rex_DecreaseInOperatingLeasesFutureMinimumPaymentsReceivableInFiveYear
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Decrease in operating leases future minimum payments receivable in four year. + References No definition available. + Details
Name: | rex_DecreaseInOperatingLeasesFutureMinimumPaymentsReceivableInFourYear
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Decrease in operating leases future minimum payments receivable in three year. + References No definition available. + Details
Name: | rex_DecreaseInOperatingLeasesFutureMinimumPaymentsReceivableInThreeYear
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Decrease in operating leases future minimum payments receivable in two year. + References No definition available. + Details
Name: | rex_DecreaseInOperatingLeasesFutureMinimumPaymentsReceivableInTwoYear
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Decrease in operating leases future minimum payments receivable remainder of fiscal year. + References No definition available. + Details
Name: | rex_DecreaseInOperatingLeasesFutureMinimumPaymentsReceivableRemainderOfFiscalYear
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Decrease in Operating Leases Future Minimum Payments Receivable Thereafter. + References No definition available. + Details
Name: | rex_DecreaseInOperatingLeasesFutureMinimumPaymentsReceivableThereafter
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | rex_LeasesDetailsLineItems
Namespace Prefix: | rex_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of owned properties subject to operating lease. + References No definition available. + Details
Name: | rex_NumberOfOwnedPropertiesSubjectToOperatingLease
Namespace Prefix: | rex_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of owned properties subject to seasonal operating lease. + References No definition available. + Details
Name: | rex_NumberOfOwnedPropertiesSubjectToSeasonalOperatingLease
Namespace Prefix: | rex_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LessorLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration