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Income Taxes - Tax sharing and compensating agreement between ARL, TCI and IOT (Details) (USD $)	Aug. 31, 2012
Income Taxes - Tax sharing and compensating agreement between ARL, TCI and IOT
Current tax expense of IOT	$ 3,055,000
Statutory rate of income tax	35.00%

X

- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

+ References

No definition available.

+ Details

Name:	fil_CurrentTaxExpenseOfIot
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	fil_IncomeTaxesTaxSharingAndCompensatingAgreementBetweenArlTciAndIotAbstract
Namespace Prefix:	fil_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

+ References

No definition available.

+ Details

Name:	fil_StatutoryRateOfIncomeTax
Namespace Prefix:	fil_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant