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GOODWILL AND RADIO BROADCASTING LICENSES: (Details) (USD $) In Millions, unless otherwise specified | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Oct. 01, 2012 | Jun. 30, 2012
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Pre-tax impairment charge (in millions) | $ 3.7 | [1] | $ 9.8 | [1] | $ 1.4 | [1] | $ 0 | $ 0.3 | [1]
Discount Rate | 10.50% | [1] | 10.50% | [1] | 10.00% | [1] | 10.00% | 10.00% | [1]
Year 1 Market Revenue Growth Rate Range |  |  | 2.00% | [1] | 1.00% | [1] |  |  |
Long-term Market Revenue Growth Rate Range (Years 6 - 10) |  |  |  |  | 1.50% | [1] |  |  |
Mature Market Share Range |  |  |  |  | 8.60% | [1] |  |  |
Operating Profit Margin Range |  |  |  |  | 31.40% | [1] |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |
Year 1 Market Revenue Growth Rate Range | (0.50%) | [1] |  |  |  |  | 1.00% | 1.00% | [1]
Long-term Market Revenue Growth Rate Range (Years 6 - 10) | 1.00% | [1] | 1.50% | [1] |  |  | 1.00% | 1.00% | [1]
Mature Market Share Range | 6.70% | [1] | 8.60% | [1] |  |  | 0.70% | 5.80% | [1]
Operating Profit Margin Range | 30.30% | [1] | 32.60% | [1] |  |  | 19.60% | 29.10% | [1]
Maximum [Member] |  |  |  |  |  |  |  |  |
Year 1 Market Revenue Growth Rate Range | 2.00% | [1] |  |  |  |  | 2.00% | 3.00% | [1]
Long-term Market Revenue Growth Rate Range (Years 6 - 10) | 2.00% | [1] | 2.00% | [1] |  |  | 2.00% | 2.00% | [1]
Mature Market Share Range | 27.40% | [1] | 15.10% | [1] |  |  | 27.40% | 15.60% | [1]
Operating Profit Margin Range | 40.10% | [1] | 34.40% | [1] |  |  | 47.70% | 48.00% | [1]
[1] | Reflects only key assumptions used in the interim testing for certain units of accounting.

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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

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- 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

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- Definition This element represents the mature market share range. + References No definition available. + Details
Name: | roia_MatureMarketShareRange
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

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- 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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- 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