Restructuring, Acquisition and Divestiture Related Costs - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 30, 2018	Mar. 31, 2017
Restructuring and Acquisition Related Costs [Line Items]
Restructuring Costs		$ 37
Acquisition and related charges	$ 25	780
Maximum \| Finders' Fees, Legal, Valuation And Other Professional Or Consulting Fees
Restructuring and Acquisition Related Costs [Line Items]
Acquisition and related charges	$ 100	800
2016 Restructuring
Restructuring and Acquisition Related Costs [Line Items]
Restructuring plan	During the third quarter of 2015, the Company initiated the 2016 restructuring program, which included consolidating certain manufacturing operations to optimize its facility footprint and better utilize resources, and reducing redundant costs due to productivity cost savings and business volume reductions. As of March 30, 2018, the Company incurred cumulative costs related to this restructuring plan totaling $6.5 million. The plan was completed in 2017.
Restructuring Costs		$ 33
2016 Restructuring \| Cumulative Restructuring Costs
Restructuring and Acquisition Related Costs [Line Items]
Restructuring Costs	$ 6,500

Restructuring and acquisition related costs.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460

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- Definition

Information pertinent to an understanding of the specified type of restructuring cost, including the facts and circumstances leading to the expected activity, discussion of the level and quantity of personnel to be terminated, and the expected completion date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ 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=98514028&loc=d3e3602-108585

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