Acquisitions (Schedule of Recognized Identified Assets Acquired and Liabilities Assumed-BBCA) (Details) - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2014	Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill	$ 734,356	$ 736,275
New Video (BBC AMERICA) [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	199,889
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value	200,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets	621
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	32,272
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Program Rights	73,134
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets	567
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	111
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	113,528
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	46,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable	(5,470)
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Program Rights Obligations	(30,645)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue	(3,378)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	226,740
Goodwill	173,149
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	399,889
Cash [Member] \| New Video (BBC AMERICA) [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	159,889
Notes Payable, Other Payables [Member] \| New Video (BBC AMERICA) [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 40,000

Amount of program rights, acquired at the acquisition date.

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Amount of program rights obligations assumed at the acquisition date.

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Carriage Fees

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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-Name Accounting Standards Codification
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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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