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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 26, 2017
Goodwill and Intangible Assets |
Schedule of changes in the carrying amount of goodwill and intangible assets |
|  | Goodwill |  | Intangible Assets |
Balance as of December 29, 2015 (1) |  | 116,571 |  | 4,827 |
Additions |  | — |  | — |
Amortization expense |  | — |  | (1,205) |
Disposals and other, net |  | — |  | — |
Impairment |  | — |  | — |
Balance as of December 27, 2016 |  | 116,571 |  | 3,622 |
Additions |  | 4,469 |  | — |
Amortization expense |  | — |  | (922) |
Disposals and other, net |  | — |  | — |
Impairment |  | — |  | — |
Balance as of December 26, 2017 |  | 121,040 |  | 2,700 |
| (1) |  | Net of $4.8 million of accumulated goodwill impairment losses.

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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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