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Intangible Assets - Amortized Intangible Assets (Details) - USD ($) $ in Thousands | Oct. 01, 2017 | Dec. 31, 2016
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 61,322 | $ 52,668
Accumulated Amortization | 46,895 | 44,356
Net Carrying Value | 14,427 | 8,312
Distribution networks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 38,060 | 38,060
Accumulated Amortization | 38,060 | 37,422
Net Carrying Value | 0 | 638
Completed technologies |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 13,687 | 8,003
Accumulated Amortization | 3,571 | 2,098
Net Carrying Value | 10,116 | 5,905
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 9,205 | 6,605
Accumulated Amortization | 5,203 | 4,836
Net Carrying Value | 4,002 | $ 1,769
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 370 |
Accumulated Amortization | 61 |
Net Carrying Value | $ 309 |

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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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