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PROPERTY, PLANT AND EQUIPMENT, INTANGIBLE ASSETS AND GOODWILL - Schedule Of Property, Plant And Equipment (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 4,524,376	$ 4,320,502
Less: accumulated depreciation	2,636,313	2,372,340
Property, plant and equipment, net	1,888,063	1,948,162
Land, buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	578,054	570,566
Structures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,807,023	2,684,673
Towers, transmitters and studio equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	356,222	350,760
Furniture and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	689,227	622,848
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 93,850	$ 91,655

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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+ References

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-Name Accounting Standards Codification
-Topic 210
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