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GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS: (Details 5) (Cable Television Segment Goodwill [Member], USD $) | Oct. 01, 2014 | Oct. 01, 2013 | Oct. 01, 2012
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Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items] |  |  |
Impairment charge (in millions) | $ 0 roia_PreTaxImpairmentCharges | $ 0 roia_PreTaxImpairmentCharges | $ 0 roia_PreTaxImpairmentCharges
Discount Rate | 10.40%roia_DiscountRate | 10.80%roia_DiscountRate | 10.80%roia_DiscountRate
Year 1 Revenue Growth Rate | 11.50%roia_Year1MarketRevenueGrowthRange | 12.10%roia_Year1MarketRevenueGrowthRange | 11.20%roia_Year1MarketRevenueGrowthRange
Maximum [Member] |  |  |
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items] |  |  |
Long-term Revenue Growth Rate Range | 7.70%roia_LongTermMarketRevenueGrowthRateRange / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember | 12.10%roia_LongTermMarketRevenueGrowthRateRange / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember | 12.20%roia_LongTermMarketRevenueGrowthRateRange / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember
Operating Profit Margin Range | 36.10%roia_OperatingProfitMarginRange / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember | 35.70%roia_OperatingProfitMarginRange / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember | 36.20%roia_OperatingProfitMarginRange / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember
Minimum [Member] |  |  |
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items] |  |  |
Long-term Revenue Growth Rate Range | 0.30%roia_LongTermMarketRevenueGrowthRateRange / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember | 1.10%roia_LongTermMarketRevenueGrowthRateRange / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember | 2.50%roia_LongTermMarketRevenueGrowthRateRange / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember
Operating Profit Margin Range | 29.80%roia_OperatingProfitMarginRange / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember | 30.60%roia_OperatingProfitMarginRange / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember | 33.30%roia_OperatingProfitMarginRange / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = roia_CablEtelevisionGoodwillMember

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- Definition This element represents the discount rate. + References No definition available. + Details
Name: | roia_DiscountRate
Namespace Prefix: | roia_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition This element represents the long term market revenue growth rate range. + References No definition available. + Details
Name: | roia_LongTermMarketRevenueGrowthRateRange
Namespace Prefix: | roia_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition This element represents the operating profit margin range. + References No definition available. + Details
Name: | roia_OperatingProfitMarginRange
Namespace Prefix: | roia_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition This element represents the amount of pre tax impairment charges. + References No definition available. + Details
Name: | roia_PreTaxImpairmentCharges
Namespace Prefix: | roia_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | roia_ScheduleOfGoodwillRadioBroadcastingLicensesAndOtherIntangibleAssetsLineItems
Namespace Prefix: | roia_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the market revenue growth range. + References No definition available. + Details
Name: | roia_Year1MarketRevenueGrowthRange
Namespace Prefix: | roia_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant