The hypothetical percent decrease applied to evaluate the sensitivity of the fair value calculations.

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of accumulated impairment loss for 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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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

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.

+ References

No definition available.

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- Definition

Amount of (increase) decrease to an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from the subsequent recognition of deferred tax assets.

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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill [Line Items]
Accumulated impairment charges	$ 98,000
Reduction in carrying about of goodwill	1,328	$ 1,328
Impairment charge	97,996
Aggregate amortization expense	$ 46,200	43,000	$ 47,100
Hypothetical decrease (as a percentage)	20.00%
National Networks [Member]
Goodwill [Line Items]
Reduction in carrying about of goodwill	$ 1,328	1,328
Impairment charge	0
International And Other [Member]
Goodwill [Line Items]
Reduction in carrying about of goodwill	0	$ 0
Impairment charge	97,996
AMCNI Reporting Unit [Member]
Goodwill [Line Items]
Impairment charge	$ 98,000