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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2013
Goodwill and Intangible Assets |
Schedule of changes in the carrying amount of goodwill and intangible assets |
|  | Goodwill |  | Intangible Assets |
--- | --- | --- | --- | --- | ---
Balance as of December 27, 2011 |  |  | 110,946 |  |  | 9,042 |
Additions |  |  | 2,741 |  |  | 1,511 |
Amortization expense |  |  | — |  |  | (1,076 | )
Disposals and other, net |  |  | — |  |  | — |
Impairment |  |  | (252 | ) |  | (213 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance as of December 25, 2012 |  |  | 113,435 |  |  | 9,264 |
Additions |  |  | 3,033 |  |  | 985 |
Amortization expense |  |  | — |  |  | (1,624 | )
Disposals and other, net |  |  | — |  |  | — |
Impairment |  |  | — |  |  | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance as of December 31, 2013 |  |  | 116,468 |  |  | 8,625 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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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=14024403&loc=d3e13816-109267 + Details
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