Receivables, Net (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Apr. 01, 2017	Dec. 30, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customers, trade	$ 45,286		$ 43,683
Other receivables	2,768		2,930
Gross receivables	48,054		46,613
Less: allowance for doubtful accounts	(171)		(133)
Receivables, net	47,883		$ 46,480
Allowance for doubtful accounts [Abstract]
Bad debt expense	$ 60	$ 30

Allowance for doubtful accounts [Abstract]

No definition available.

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- Definition

Gross receivables

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

+ References

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- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

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- Definition

Amount due from parties in nontrade transactions, classified as other.

+ References

+ Details

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- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130534-203044

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-Section S99
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-Subparagraph (SX 210.5-03.5)
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- Definition

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Subparagraph (SX 210.5-02(4))
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