| Gross Carrying Amount and Accumulated Amortization of Definite-Lived Intangible Assets | 
The following table presents the changes in the gross carrying amount and accumulated amortization of definite-lived intangible assets for the years ended December 31, 2018 and 2017:
 
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   | 
 Revenue- 
generating 
contracts 
 | 
   | 
 Client / 
vendor 
relationships 
 | 
   | 
Trademarks and naming rights  | 
   | 
Technology  | 
   | 
Other (1)
  | 
   | 
Total  | 
 
   | 
(in thousands)  | 
 
Balance as of December 31, 2016:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Gross carrying amount  | 
$  | 
760,398  | 
 
  | 
   | 
$  | 
402,009  | 
 
  | 
   | 
$  | 
94,338  | 
 
  | 
   | 
$  | 
53,078  | 
 
  | 
   | 
$  | 
124,007  | 
 
  | 
   | 
$  | 
1,433,830  | 
 
  | 
 
Accumulated amortization  | 
(316,800  | 
)  | 
   | 
(213,785  | 
)  | 
   | 
(23,724  | 
)  | 
   | 
(13,637  | 
)  | 
   | 
(53,853  | 
)  | 
   | 
(621,799  | 
)  | 
 
Net  | 
443,598  | 
 
  | 
   | 
188,224  | 
 
  | 
   | 
70,614  | 
 
  | 
   | 
39,441  | 
 
  | 
   | 
70,154  | 
 
  | 
   | 
812,031  | 
 
  | 
 
Gross carrying amount:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Acquisitions—current year  | 
19,095  | 
 
  | 
   | 
22,635  | 
 
  | 
   | 
—  | 
 
  | 
   | 
12,707  | 
 
  | 
   | 
6,620  | 
 
  | 
   | 
61,057  | 
 
  | 
 
Acquisitions—prior year  | 
(6,724  | 
)  | 
   | 
—  | 
 
  | 
   | 
35,464  | 
 
  | 
   | 
1,120  | 
 
  | 
   | 
—  | 
 
  | 
   | 
29,860  | 
 
  | 
 
Foreign exchange  | 
23,308  | 
 
  | 
   | 
10,457  | 
 
  | 
   | 
1,429  | 
 
  | 
   | 
2,278  | 
 
  | 
   | 
4,857  | 
 
  | 
   | 
42,329  | 
 
  | 
 
Other (2)
  | 
(6,714  | 
)  | 
   | 
(93,652  | 
)  | 
   | 
(4,900  | 
)  | 
   | 
(5,517  | 
)  | 
   | 
(253  | 
)  | 
   | 
(111,036  | 
)  | 
 
Net change  | 
28,965  | 
 
  | 
   | 
(60,560  | 
)  | 
   | 
31,993  | 
 
  | 
   | 
10,588  | 
 
  | 
   | 
11,224  | 
 
  | 
   | 
22,210  | 
 
  | 
 
Accumulated amortization:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Amortization   | 
(94,797  | 
)  | 
   | 
(61,550  | 
)  | 
   | 
(13,315  | 
)  | 
   | 
(13,869  | 
)  | 
   | 
(19,035  | 
)  | 
   | 
(202,566  | 
)  | 
 
Foreign exchange  | 
(9,918  | 
)  | 
   | 
(4,460  | 
)  | 
   | 
(560  | 
)  | 
   | 
(764  | 
)  | 
   | 
(2,463  | 
)  | 
   | 
(18,165  | 
)  | 
 
Other (2)
  | 
11,504  | 
 
  | 
   | 
93,438  | 
 
  | 
   | 
4,918  | 
 
  | 
   | 
5,525  | 
 
  | 
   | 
370  | 
 
  | 
   | 
115,755  | 
 
  | 
 
Net change  | 
(93,211  | 
)  | 
   | 
27,428  | 
 
  | 
   | 
(8,957  | 
)  | 
   | 
(9,108  | 
)  | 
   | 
(21,128  | 
)  | 
   | 
(104,976  | 
)  | 
 
Balance as of December 31, 2017:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Gross carrying amount  | 
789,363  | 
 
  | 
   | 
341,449  | 
 
  | 
   | 
126,331  | 
 
  | 
   | 
63,666  | 
 
  | 
   | 
135,231  | 
 
  | 
   | 
1,456,040  | 
 
  | 
 
Accumulated amortization  | 
(410,011  | 
)  | 
   | 
(186,357  | 
)  | 
   | 
(32,681  | 
)  | 
   | 
(22,745  | 
)  | 
   | 
(74,981  | 
)  | 
   | 
(726,775  | 
)  | 
 
Net  | 
379,352  | 
 
  | 
   | 
155,092  | 
 
  | 
   | 
93,650  | 
 
  | 
   | 
40,921  | 
 
  | 
   | 
60,250  | 
 
  | 
   | 
729,265  | 
 
  | 
 
Gross carrying amount:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Acquisitions—current year  | 
6,128  | 
 
  | 
   | 
84,146  | 
 
  | 
   | 
2,067  | 
 
  | 
   | 
30,029  | 
 
  | 
   | 
15,402  | 
 
  | 
   | 
137,772  | 
 
  | 
 
Acquisitions—prior year  | 
4,447  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
1,900  | 
 
  | 
   | 
6,347  | 
 
  | 
 
Dispositions  | 
—  | 
 
  | 
   | 
(11,812  | 
)  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(18,754  | 
)  | 
   | 
(30,566  | 
)  | 
 
Foreign exchange  | 
(14,426  | 
)  | 
   | 
(7,378  | 
)  | 
   | 
(1,756  | 
)  | 
   | 
(1,626  | 
)  | 
   | 
(3,209  | 
)  | 
   | 
(28,395  | 
)  | 
 
Other (2)
  | 
(92,549  | 
)  | 
   | 
(12,633  | 
)  | 
   | 
(2,935  | 
)  | 
   | 
(6,658  | 
)  | 
   | 
(10,407  | 
)  | 
   | 
(125,182  | 
)  | 
 
Net change  | 
(96,400  | 
)  | 
   | 
52,323  | 
 
  | 
   | 
(2,624  | 
)  | 
   | 
21,745  | 
 
  | 
   | 
(15,068  | 
)  | 
   | 
(40,024  | 
)  | 
 
Accumulated amortization:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
  | 
   | 
   | 
 
Amortization   | 
(81,291  | 
)  | 
   | 
(52,879  | 
)  | 
   | 
(12,633  | 
)  | 
   | 
(23,727  | 
)  | 
   | 
(20,123  | 
)  | 
   | 
(190,653  | 
)  | 
 
Dispositions  | 
—  | 
 
  | 
   | 
8,146  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
13,238  | 
 
  | 
   | 
21,384  | 
 
  | 
 
Foreign exchange  | 
7,526  | 
 
  | 
   | 
4,813  | 
 
  | 
   | 
536  | 
 
  | 
   | 
973  | 
 
  | 
   | 
1,979  | 
 
  | 
   | 
15,827  | 
 
  | 
 
Other (2)
  | 
92,774  | 
 
  | 
   | 
12,678  | 
 
  | 
   | 
2,970  | 
 
  | 
   | 
6,673  | 
 
  | 
   | 
10,557  | 
 
  | 
   | 
125,652  | 
 
  | 
 
Net change  | 
19,009  | 
 
  | 
   | 
(27,242  | 
)  | 
   | 
(9,127  | 
)  | 
   | 
(16,081  | 
)  | 
   | 
5,651  | 
 
  | 
   | 
(27,790  | 
)  | 
 
Balance as of December 31, 2018:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Gross carrying amount  | 
692,963  | 
 
  | 
   | 
393,772  | 
 
  | 
   | 
123,707  | 
 
  | 
   | 
85,411  | 
 
  | 
   | 
120,163  | 
 
  | 
   | 
1,416,016  | 
 
  | 
 
Accumulated amortization  | 
(391,002  | 
)  | 
   | 
(213,599  | 
)  | 
   | 
(41,808  | 
)  | 
   | 
(38,826  | 
)  | 
   | 
(69,330  | 
)  | 
   | 
(754,565  | 
)  | 
 
Net  | 
$  | 
301,961  | 
 
  | 
   | 
$  | 
180,173  | 
 
  | 
   | 
$  | 
81,899  | 
 
  | 
   | 
$  | 
46,585  | 
 
  | 
   | 
$  | 
50,833  | 
 
  | 
   | 
$  | 
661,451  | 
 
  | 
 
  
___________________  
(1)  Other primarily includes intangible assets for non-compete, venue management and leasehold agreements.
 
(2) Other primarily includes netdowns of fully amortized or impaired assets.
 
 
 | 
| Changes in Goodwill by Segment | 
The following table presents the changes in the carrying amount of goodwill in each of the Company’s reportable segments for the years ended December 31, 2018 and 2017:
 
 
 |  
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
   | 
Concerts  | 
   | 
 Sponsorship 
&  Advertising 
 | 
   | 
Ticketing  | 
   | 
Total  | 
 
   | 
(in thousands)  | 
 
Balance as of December 31, 2016:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Goodwill   | 
$  | 
1,017,020  | 
 
  | 
   | 
$  | 
395,826  | 
 
  | 
   | 
$  | 
739,105  | 
 
  | 
   | 
$  | 
2,151,951  | 
 
  | 
 
Accumulated impairment losses   | 
(404,863  | 
)  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(404,863  | 
)  | 
 
                 Net  | 
612,157  | 
 
  | 
   | 
395,826  | 
 
  | 
   | 
739,105  | 
 
  | 
   | 
1,747,088  | 
 
  | 
 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Acquisitions—current year  | 
10,265  | 
 
  | 
   | 
5,438  | 
 
  | 
   | 
11,139  | 
 
  | 
   | 
26,842  | 
 
  | 
 
Acquisitions—prior year  | 
(21,614  | 
)  | 
   | 
(9,822  | 
)  | 
   | 
882  | 
 
  | 
   | 
(30,554  | 
)  | 
 
Impairment  | 
(20,000  | 
)  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(20,000  | 
)  | 
 
Foreign exchange  | 
10,242  | 
 
  | 
   | 
10,311  | 
 
  | 
   | 
10,660  | 
 
  | 
   | 
31,213  | 
 
  | 
 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Balance as of December 31, 2017:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Goodwill   | 
1,015,913  | 
 
  | 
   | 
401,753  | 
 
  | 
   | 
761,786  | 
 
  | 
   | 
2,179,452  | 
 
  | 
 
Accumulated impairment losses   | 
(424,863  | 
)  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(424,863  | 
)  | 
 
                 Net  | 
591,050  | 
 
  | 
   | 
401,753  | 
 
  | 
   | 
761,786  | 
 
  | 
   | 
1,754,589  | 
 
  | 
 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Acquisitions—current year  | 
42,841  | 
 
  | 
   | 
3,902  | 
 
  | 
   | 
5,875  | 
 
  | 
   | 
52,618  | 
 
  | 
 
Acquisitions—prior year  | 
53,541  | 
 
  | 
   | 
1,697  | 
 
  | 
   | 
—  | 
 
  | 
   | 
55,238  | 
 
  | 
 
Dispositions  | 
(7,053  | 
)  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(7,053  | 
)  | 
 
Impairment  | 
(10,500  | 
)  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(10,500  | 
)  | 
 
Foreign exchange  | 
(10,638  | 
)  | 
   | 
(6,603  | 
)  | 
   | 
(4,708  | 
)  | 
   | 
(21,949  | 
)  | 
 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Balance as of December 31, 2018:  | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Goodwill  | 
1,094,604  | 
 
  | 
   | 
400,749  | 
 
  | 
   | 
762,953  | 
 
  | 
   | 
2,258,306  | 
 
  | 
 
Accumulated impairment losses  | 
(435,363  | 
)  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(435,363  | 
)  | 
 
                 Net  | 
$  | 
659,241  | 
 
  | 
   | 
$  | 
400,749  | 
 
  | 
   | 
$  | 
762,953  | 
 
  | 
   | 
$  | 
1,822,943  | 
 
  | 
 
  
 
 
 
 |