AMERICAN TOWER CORP /MA/ | 2013 | FY | 3

The changes in the carrying value of goodwill for the Company’s business segments are as follows (in thousands):
 
 
 
Rental and Management
 
Network
Development
Services
 
Total
 
 
Domestic
 
International
 
Balance as of January 1, 2013 (1)
 
$
2,320,571

 
$
520,072

 
$
2,000

 
$
2,842,643

Additions (2)
 
812,091

 
127,585

 
—

 
939,676

Effect of foreign currency translation
 
—

 
(52,418
)
 
—

 
(52,418
)
Balance as of December 31, 2013
 
$
3,132,662

 
$
595,239

 
$
2,000

 
$
3,729,901

(1) Balances have been revised to reflect purchase accounting measurement period adjustments.
(2)
Domestic and international rental and management segments include approximately $807.7 million and $67.3 million, respectively, of goodwill related to the Company’s acquisition of MIP Tower Holdings LLC (see note 6).

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