| Goodwill Attributable to Each Segment | 
A summary of the carrying amount of goodwill attributable to each segment as well as the changes in such amounts are as follows: 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | SGK Brand Solutions |   | Memorialization |   | Industrial Technologies |   | Consolidated |  
|   |   |   |   |   |   |   |   |  
| Goodwill | $ | 491,895 | 
 |   | $ | 347,507 | 
 |   | $ | 69,144 | 
 |   | $ | 908,546 | 
 |  
| Accumulated impairment losses | (5,752 | ) |   | (5,000 | ) |   | — | 
 |   | (10,752 | ) |  
| Balance at September 30, 2017 | 486,143 | 
 |   | 342,507 | 
 |   | 69,144 | 
 |   | 897,794 | 
 |  
|   |   |   |   |   |   |   |   |  
| Additions during period | 8,603 | 
 |   | 17,152 | 
 |   | 21,112 | 
 |   | 46,867 | 
 |  
| Translation and other adjustments | 2,795 | 
 |   | 1,055 | 
 |   | 176 | 
 |   | 4,026 | 
 |  
| Goodwill | 503,293 | 
 |   | 365,714 | 
 |   | 90,432 | 
 |   | 959,439 | 
 |  
| Accumulated impairment losses | (5,752 | ) |   | (5,000 | ) |   | — | 
 |   | (10,752 | ) |  
| Balance at December 31, 2017 | $ | 497,541 | 
 |   | $ | 360,714 | 
 |   | $ | 90,432 | 
 |   | $ | 948,687 | 
 |  | 
| Other Intangible Assets | 
The following tables summarize the carrying amounts and related accumulated amortization for intangible assets as of December 31, 2017 and September 30, 2017, respectively.
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Carrying Amount |   | Accumulated Amortization |   | Net |  
| December 31, 2017: |   |   |   |   |   |  
| Trade names | $ | 168,467 | 
 |   | $ | — | 
 | * | $ | 168,467 | 
 |  
| Trade names | 8,504 | 
 |   | (2,284 | ) |   | 6,220 | 
 |  
| Customer relationships | 364,554 | 
 |   | (90,611 | ) |   | 273,943 | 
 |  
| Copyrights/patents/other | 19,092 | 
 |   | (11,978 | ) |   | 7,114 | 
 |  
|   | $ | 560,617 | 
 |   | $ | (104,873 | ) |   | $ | 455,744 | 
 |  
|   |   |   |   |   |   |  
| 
September 30, 2017:
 |   | 
 |   |   | 
 |   |   | 
 |  
| Trade names | $ | 168,467 | 
 |   | $ | — | 
 | * | $ | 168,467 | 
 |  
| Trade names | 5,522 | 
 |   | (2,030 | ) |   | 3,492 | 
 |  
| Customer relationships | 333,632 | 
 |   | (84,560 | ) |   | 249,072 | 
 |  
| Copyrights/patents/other | 14,787 | 
 |   | (11,436 | ) |   | 3,351 | 
 |  
|      *Not subject to amortization | $ | 522,408 | 
 |   | $ | (98,026 | ) |   | $ | 424,382 | 
 |  |