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Goodwill (Tables) | 12 Months Ended
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Dec. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in Goodwill | Changes in the goodwill balance were as follows (in thousands):
| December 30, 2017 |  | December 31, 2016
Goodwill, beginning of period | $ | 19,780 |  |  | $ | 20,394 |
Foreign currency translation adjustment | 837 |  |  | (614 | )
Goodwill, end of period | $ | 20,617 |  |  | $ | 19,780 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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