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PROPERTY, PLANT AND EQUIPMENT, INTANGIBLE ASSETS AND GOODWILL - Schedule Of Changes In Carrying Amount Of Goodwill (Detail) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2017 | Dec. 31, 2016
Goodwill |  |
Beginning balance | $ 4,066,575 | $ 4,128,887
Impairment |  | (7,274)
Acquisitions | 2,252 |
Foreign currency | 13,827 | (7,049)
Ending balance | 4,080,926 | 4,066,575
iHM |  |
Goodwill |  |
Beginning balance | 3,288,481 | 3,288,481
Impairment |  | 0
Acquisitions | 0 |
Foreign currency | 0 | 0
Ending balance | 3,288,481 | 3,288,481
Americas Outdoor Advertising |  |
Goodwill |  |
Beginning balance | 515,414 | 534,683
Impairment |  | 0
Acquisitions | 2,252 |
Foreign currency | 709 | (1,998)
Ending balance | 518,464 | 515,414
International Outdoor Advertising |  |
Goodwill |  |
Beginning balance | 180,849 | 223,892
Impairment |  | (7,274)
Acquisitions | 0 |
Foreign currency | 13,118 | (5,051)
Ending balance | 192,150 | 180,849
Other |  |
Goodwill |  |
Beginning balance | 81,831 | 81,831
Impairment |  | 0
Acquisitions | 0 |
Foreign currency | 0 | 0
Ending balance | 81,831 | 81,831
Dispositions |  |
Goodwill |  |
Dispositions and assets held for sale | (1,817) | (37,652)
Dispositions | iHM |  |
Goodwill |  |
Dispositions and assets held for sale | 0 | 0
Dispositions | Americas Outdoor Advertising |  |
Goodwill |  |
Dispositions and assets held for sale | 0 | (6,934)
Dispositions | International Outdoor Advertising |  |
Goodwill |  |
Dispositions and assets held for sale | (1,817) | (30,718)
Dispositions | Other |  |
Goodwill |  |
Dispositions and assets held for sale | 0 | 0
Assets held for sale |  |
Goodwill |  |
Dispositions and assets held for sale | 89 | (10,337)
Assets held for sale | iHM |  |
Goodwill |  |
Dispositions and assets held for sale | 0 | 0
Assets held for sale | Americas Outdoor Advertising |  |
Goodwill |  |
Dispositions and assets held for sale | 89 | (10,337)
Assets held for sale | International Outdoor Advertising |  |
Goodwill |  |
Dispositions and assets held for sale | 0 | 0
Assets held for sale | Other |  |
Goodwill |  |
Dispositions and assets held for sale | $ 0 | $ 0

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