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Goodwill and Other Intangible Assets, Other Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 26, 2015 | Dec. 27, 2014
Carrying amount of intangible assets [Abstract] |  |  |
Net Carrying Amount | $ 36,168 |  |
Amortization expenses | 4,300 | $ 4,100 | $ 3,500
Amortization expense for intangible assets |  |  |
2017 | 2,996 |  |
2018 | 2,735 |  |
2019 | 2,655 |  |
2020 | 2,458 |  |
2021 | 2,272 |  |
Thereafter | 23,052 |  |
Net Carrying Amount | 36,168 |  |
Customer Relationships [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 29,833 | 30,882 |
Accumulated Amortization | (2,845) | (1,488) |
Net Carrying Amount | 26,988 | 29,394 |
Amortization expense for intangible assets |  |  |
Net Carrying Amount | 26,988 | 29,394 |
Non-compete Agreements [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 5,926 | 6,534 |
Accumulated Amortization | (4,063) | (2,838) |
Net Carrying Amount | 1,863 | 3,696 |
Amortization expense for intangible assets |  |  |
Net Carrying Amount | 1,863 | 3,696 |
Patents and Technology [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 5,922 | 9,798 |
Accumulated Amortization | (1,179) | (5,323) |
Net Carrying Amount | 4,743 | 4,475 |
Amortization expense for intangible assets |  |  |
Net Carrying Amount | 4,743 | 4,475 |
Trade Names and Licenses [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 4,087 | 4,160 |
Accumulated Amortization | (1,032) | (574) |
Net Carrying Amount | 3,055 | 3,586 |
Amortization expense for intangible assets |  |  |
Net Carrying Amount | 3,055 | 3,586 |
Other [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 213 | 213 |
Accumulated Amortization | (694) | (728) |
Net Carrying Amount | (481) | (515) |
Amortization expense for intangible assets |  |  |
Net Carrying Amount | (481) | (515) |
Other Intangible Assets [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 45,981 | 51,587 |
Accumulated Amortization | (9,813) | (10,951) |
Net Carrying Amount | 36,168 | 40,636 |
Amortization expense for intangible assets |  |  |
Net Carrying Amount | $ 36,168 | $ 40,636 |

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- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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