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OTHER INFORMATION (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Other Income and Expenses [Abstract] |  |
Barter and trade revenues | $ 60.1 | $ 46.6
Barter and trade expenses | $ 56.1 | $ 35.0

X
- Definition Total expense recognized from advertising barter transactions for each income statement presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68051663&loc=d3e49171-111630 + Details
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- Definition Total revenue recognized from advertising barter transactions for each income statement presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68051663&loc=d3e49171-111630 + Details
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Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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