| Goodwill, indefinite-lived intangible assets, and amortizable intangible assets |
The following table displays goodwill, indefinite-lived intangible assets, and amortizable intangible assets at September 29, 2013 and December 30, 2012: | | | | | | | | | | | | | | | | | In thousands of dollars | Sept. 29, 2013 | | Dec. 30, 2012 | | Gross | | Accumulated Amortization | | Gross | | Accumulated Amortization | | | | | | | | | Goodwill | $ | 2,859,310 |
| | $ | — |
| | $ | 2,846,869 |
| | $ | — |
| Indefinite-lived intangibles: | | | | | | | | Mastheads and trade names | 94,490 |
| | — |
| | 95,308 |
| | — |
| Television station FCC licenses | 255,304 |
| | — |
| | 255,304 |
| | — |
| Amortizable intangible assets: | | | | | | | | Customer relationships | 321,321 |
| | 217,795 |
| | 313,567 |
| | 197,300 |
| Other | 47,939 |
| | 23,020 |
| | 56,965 |
| | 23,931 |
|
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| Changes in the Company's net goodwill |
The following table summarizes the changes in the Company’s net goodwill balance through September 29, 2013. | | | | | | | | | | | | | | | | | In thousands of dollars | Publishing | | Broadcasting | | Digital | | Total | | | | | | | | | Balance at Dec. 30, 2012: | | | | | | | | Goodwill | $ | 7,754,959 |
| | $ | 1,618,602 |
| | $ | 722,781 |
| | $ | 10,096,342 |
| Accumulated impairment losses | (7,132,817 | ) | | — |
| | (116,656 | ) | | (7,249,473 | ) | Net balance at Dec. 30, 2012 | 622,142 |
| | 1,618,602 |
| | 606,125 |
| | 2,846,869 |
| Activity during the period: | | | | | | | | Acquisitions and adjustments | 1,121 |
| | — |
| | 28,116 |
| | 29,237 |
| Dispositions | — |
| | (19,000 | ) | | — |
| | (19,000 | ) | Foreign currency exchange rate changes | (300 | ) | | (110 | ) | | 2,614 |
| | 2,204 |
| Total | 821 |
| | (19,110 | ) | | 30,730 |
| | 12,441 |
| Balance at Sept. 29, 2013: | | | | | | | | Goodwill | 7,752,219 |
| | 1,599,492 |
| | 753,511 |
| | 10,105,222 |
| Accumulated impairment losses | (7,129,256 | ) | | — |
| | (116,656 | ) | | (7,245,912 | ) | Net balance at Sept. 29, 2013 | $ | 622,963 |
| | $ | 1,599,492 |
| | $ | 636,855 |
| | $ | 2,859,310 |
|
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