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Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2017 | Dec. 31, 2016 | Dec. 26, 2015
Carrying amount of intangible assets [Abstract] |  |  |
Net Carrying Amount | $ 42,008 |  |
Amortization | 3,100 | $ 4,300 | $ 4,100
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
2018 | 3,338 |  |
2019 | 3,253 |  |
2020 | 3,017 |  |
2021 | 2,747 |  |
2022 | 2,851 |  |
Thereafter | 26,802 |  |
Net Carrying Amount | 42,008 |  |
Customer relationships [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 36,518 | 29,833 |
Accumulated Amortization | (4,644) | (2,845) |
Net Carrying Amount | 31,874 | 26,988 |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Net Carrying Amount | 31,874 | 26,988 |
Non-compete agreements [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 2,834 | 5,926 |
Accumulated Amortization | (1,497) | (4,063) |
Net Carrying Amount | 1,337 | 1,863 |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Net Carrying Amount | 1,337 | 1,863 |
Patents and technology [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 7,673 | 5,922 |
Accumulated Amortization | (1,868) | (1,179) |
Net Carrying Amount | 5,805 | 4,743 |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Net Carrying Amount | 5,805 | 4,743 |
Trade names and licenses [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 4,977 | 4,087 |
Accumulated Amortization | (1,575) | (1,032) |
Net Carrying Amount | 3,402 | 3,055 |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Net Carrying Amount | 3,402 | 3,055 |
Other [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 213 | 213 |
Accumulated Amortization | (623) | (694) |
Net Carrying Amount | (410) | (481) |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Net Carrying Amount | (410) | (481) |
Other intangible assets [Member] |  |  |
Carrying amount of intangible assets [Abstract] |  |  |
Gross Carrying Amount | 52,215 | 45,981 |
Accumulated Amortization | (10,207) | (9,813) |
Net Carrying Amount | 42,008 | 36,168 |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Net Carrying Amount | $ 42,008 | $ 36,168 |

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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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