PROPERTY, PLANT AND EQUIPMENT, INTANGIBLE ASSETS AND GOODWILL (Tables)
12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
The Company’s property, plant and equipment consisted of the following classes of assets as of December 31, 2017 and 2016, respectively.
(In thousands)
December 31,
 
December 31,
 
2017
 
2016
Land, buildings and improvements
$
145,763

 
$
152,775

Structures
2,864,442

 
2,684,673

Furniture and other equipment
179,215

 
148,516

Construction in progress
55,753

 
58,585

 
3,245,173

 
3,044,549

Less: accumulated depreciation
1,850,144

 
1,631,716

Property, plant and equipment, net
$
1,395,029

 
$
1,412,833

Schedule of Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets
The following table presents the gross carrying amount and accumulated amortization for each major class of other intangible assets as of December 31, 2017 and 2016, respectively:
(In thousands)
December 31, 2017
 
December 31, 2016
 
Gross Carrying Amount
 
Accumulated Amortization
 
Gross Carrying Amount
 
Accumulated Amortization
Transit, street furniture and other outdoor
contractual rights
$
548,918

 
$
(440,284
)
 
$
563,863

 
$
(426,752
)
Permanent easements
162,920

 

 
159,782

 

Other
4,626

 
(2,318
)
 
4,536

 
(1,812
)
Total
$
716,464

 
$
(442,602
)
 
$
728,181

 
$
(428,564
)
Schedule of Estimated Amortization Expense
The following table presents the Company’s estimate of amortization expense for each of the five succeeding fiscal years for definite-lived intangible assets:
(In thousands)
 
2018
$
21,787

2019
14,165

2020
11,974

2021
11,864

2022
10,325

Schedule of Changes in Carrying Amount of Goodwill
The following table presents the changes in the carrying amount of goodwill in each of the Company’s reportable segments:
(In thousands)
Americas
 
International
 
Consolidated
Balance as of December 31, 2015
$
522,749

 
$
235,826

 
$
758,575

Impairment

 
(7,274
)
 
(7,274
)
Dispositions
(6,934
)
 
(30,718
)
 
(37,652
)
Foreign currency

 
(7,049
)
 
(7,049
)
Assets held for sale
(10,337
)
 

 
(10,337
)
Balance as of December 31, 2016
$
505,478

 
$
190,785

 
$
696,263

Impairment

 
(1,591
)
 
(1,591
)
Acquisitions
2,252

 

 
2,252

Dispositions

 
(1,817
)
 
(1,817
)
Foreign currency

 
18,847

 
18,847

Assets held for sale
89

 

 
89

Balance as of December 31, 2017
$
507,819

 
$
206,224

 
$
714,043