| 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 six months ended June 30, 2015:
 
 |  
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
   | 
 Revenue- 
generating 
contracts 
 | 
   | 
 Client / 
vendor 
relationships 
 | 
   | 
 Non-compete 
agreements 
 | 
   | 
 Venue 
management 
and 
leaseholds 
 | 
   | 
Technology  | 
   | 
 Trademarks 
and 
naming 
rights 
 | 
   | 
Other  | 
   | 
Total  | 
 
   | 
(in thousands)  | 
 
Balance as of December 31, 2014:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Gross carrying amount  | 
$  | 
635,127  | 
 
  | 
   | 
$  | 
355,992  | 
 
  | 
   | 
$  | 
123,552  | 
 
  | 
   | 
$  | 
83,322  | 
 
  | 
   | 
$  | 
15,330  | 
 
  | 
   | 
$  | 
24,266  | 
 
  | 
   | 
$  | 
3,581  | 
 
  | 
   | 
$  | 
1,241,170  | 
 
  | 
 
Accumulated amortization  | 
(272,071  | 
)  | 
   | 
(123,195  | 
)  | 
   | 
(98,512  | 
)  | 
   | 
(50,490  | 
)  | 
   | 
(4,246  | 
)  | 
   | 
(8,701  | 
)  | 
   | 
(1,242  | 
)  | 
   | 
(558,457  | 
)  | 
 
Net  | 
363,056  | 
 
  | 
   | 
232,797  | 
 
  | 
   | 
25,040  | 
 
  | 
   | 
32,832  | 
 
  | 
   | 
11,084  | 
 
  | 
   | 
15,565  | 
 
  | 
   | 
2,339  | 
 
  | 
   | 
682,713  | 
 
  | 
 
Gross carrying amount:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Acquisitions—     current year  | 
115,097  | 
 
  | 
   | 
15,000  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
17,950  | 
 
  | 
   | 
42,470  | 
 
  | 
   | 
—  | 
 
  | 
   | 
190,517  | 
 
  | 
 
Acquisitions—  prior year  | 
(4,246  | 
)  | 
   | 
(1,523  | 
)  | 
   | 
1,500  | 
 
  | 
   | 
—  | 
 
  | 
   | 
11  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(4,258  | 
)  | 
 
Foreign exchange  | 
(7,470  | 
)  | 
   | 
(4,124  | 
)  | 
   | 
—  | 
 
  | 
   | 
(341  | 
)  | 
   | 
143  | 
 
  | 
   | 
(203  | 
)  | 
   | 
—  | 
 
  | 
   | 
(11,995  | 
)  | 
 
Other (1)
  | 
(16,473  | 
)  | 
   | 
(2,655  | 
)  | 
   | 
—  | 
 
  | 
   | 
(6,212  | 
)  | 
   | 
—  | 
 
  | 
   | 
(9  | 
)  | 
   | 
—  | 
 
  | 
   | 
(25,349  | 
)  | 
 
Net change  | 
86,908  | 
 
  | 
   | 
6,698  | 
 
  | 
   | 
1,500  | 
 
  | 
   | 
(6,553  | 
)  | 
   | 
18,104  | 
 
  | 
   | 
42,258  | 
 
  | 
   | 
—  | 
 
  | 
   | 
148,915  | 
 
  | 
 
Accumulated amortization:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Amortization   | 
(36,676  | 
)  | 
   | 
(25,371  | 
)  | 
   | 
(5,904  | 
)  | 
   | 
(4,506  | 
)  | 
   | 
(1,761  | 
)  | 
   | 
(1,718  | 
)  | 
   | 
(194  | 
)  | 
   | 
(76,130  | 
)  | 
 
Foreign exchange  | 
2,839  | 
 
  | 
   | 
961  | 
 
  | 
   | 
—  | 
 
  | 
   | 
333  | 
 
  | 
   | 
(39  | 
)  | 
   | 
182  | 
 
  | 
   | 
—  | 
 
  | 
   | 
4,276  | 
 
  | 
 
Other (1)
  | 
16,473  | 
 
  | 
   | 
2,655  | 
 
  | 
   | 
—  | 
 
  | 
   | 
6,172  | 
 
  | 
   | 
—  | 
 
  | 
   | 
12  | 
 
  | 
   | 
—  | 
 
  | 
   | 
25,312  | 
 
  | 
 
Net change  | 
(17,364  | 
)  | 
   | 
(21,755  | 
)  | 
   | 
(5,904  | 
)  | 
   | 
1,999  | 
 
  | 
   | 
(1,800  | 
)  | 
   | 
(1,524  | 
)  | 
   | 
(194  | 
)  | 
   | 
(46,542  | 
)  | 
 
Balance as of June 30, 2015:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Gross carrying amount  | 
722,035  | 
 
  | 
   | 
362,690  | 
 
  | 
   | 
125,052  | 
 
  | 
   | 
76,769  | 
 
  | 
   | 
33,434  | 
 
  | 
   | 
66,524  | 
 
  | 
   | 
3,581  | 
 
  | 
   | 
1,390,085  | 
 
  | 
 
Accumulated amortization  | 
(289,435  | 
)  | 
   | 
(144,950  | 
)  | 
   | 
(104,416  | 
)  | 
   | 
(48,491  | 
)  | 
   | 
(6,046  | 
)  | 
   | 
(10,225  | 
)  | 
   | 
(1,436  | 
)  | 
   | 
(604,999  | 
)  | 
 
Net  | 
$  | 
432,600  | 
 
  | 
   | 
$  | 
217,740  | 
 
  | 
   | 
$  | 
20,636  | 
 
  | 
   | 
$  | 
28,278  | 
 
  | 
   | 
$  | 
27,388  | 
 
  | 
   | 
$  | 
56,299  | 
 
  | 
   | 
$  | 
2,145  | 
 
  | 
   | 
$  | 
785,086  | 
 
  | 
 
  
_________ 
 | 
 | 
 
(1)   | 
Other includes net downs 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 six months ended June 30, 2015:
 
 |  
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
   | 
Concerts  | 
   | 
Ticketing  | 
   | 
 Artist 
Nation 
 | 
   | 
 Sponsorship 
&  Advertising 
 | 
   | 
Total  | 
 
   | 
(in thousands)  | 
 
Balance as of December 31, 2014:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Goodwill   | 
$  | 
577,891  | 
 
  | 
   | 
$  | 
657,631  | 
 
  | 
   | 
$  | 
345,513  | 
 
  | 
   | 
$  | 
302,865  | 
 
  | 
   | 
$  | 
1,883,900  | 
 
  | 
 
Accumulated impairment losses  | 
(386,915  | 
)  | 
   | 
—  | 
 
  | 
   | 
(17,948  | 
)  | 
   | 
—  | 
 
  | 
   | 
(404,863  | 
)  | 
 
                 Net  | 
190,976  | 
 
  | 
   | 
657,631  | 
 
  | 
   | 
327,565  | 
 
  | 
   | 
302,865  | 
 
  | 
   | 
1,479,037  | 
 
  | 
 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Acquisitions—current year  | 
79,915  | 
 
  | 
   | 
79,277  | 
 
  | 
   | 
4,800  | 
 
  | 
   | 
20,455  | 
 
  | 
   | 
184,447  | 
 
  | 
 
Acquisitions—prior year  | 
(35,844  | 
)  | 
   | 
(4,245  | 
)  | 
   | 
4,461  | 
 
  | 
   | 
4,335  | 
 
  | 
   | 
(31,293  | 
)  | 
 
Foreign exchange  | 
(2,159  | 
)  | 
   | 
(6,779  | 
)  | 
   | 
343  | 
 
  | 
   | 
(4,473  | 
)  | 
   | 
(13,068  | 
)  | 
 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Balance as of June 30, 2015:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Goodwill  | 
619,803  | 
 
  | 
   | 
725,884  | 
 
  | 
   | 
355,117  | 
 
  | 
   | 
323,182  | 
 
  | 
   | 
2,023,986  | 
 
  | 
 
Accumulated impairment losses  | 
(386,915  | 
)  | 
   | 
—  | 
 
  | 
   | 
(17,948  | 
)  | 
   | 
—  | 
 
  | 
   | 
(404,863  | 
)  | 
 
                 Net  | 
$  | 
232,888  | 
 
  | 
   | 
$  | 
725,884  | 
 
  | 
   | 
$  | 
337,169  | 
 
  | 
   | 
$  | 
323,182  | 
 
  | 
   | 
$  | 
1,619,123  | 
 
  | 
 
  
 
 
 
 |