Broadcast Licenses and Other Intangible Assets (Details 1)	3 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Minimum [Member]
Impairment Test Key Estimates and Assumptions [Line Items]
Discount rates	12.20%	12.00%
Operating profit margin ranges	19.90%	17.40%
Market long-term revenue growth rates	1.90%	1.75%
Maximum [Member]
Impairment Test Key Estimates and Assumptions [Line Items]
Discount rates	12.40%	12.20%
Operating profit margin ranges	35.80%	35.80%
Market long-term revenue growth rates	3.30%	3.10%

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

+ Details

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- Definition

Long-term pre-tax operating income as a percentage of net sales, used as an input to measure fair value.

+ References

+ Details

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- Definition

Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

+ References

+ Details

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