Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

+ Details

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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- Details

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- Details

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- Details

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Debt - Additional Information (Details) - USD ($)		9 Months Ended
Debt - Additional Information (Details) - USD ($)	May 11, 2016	Sep. 28, 2018	Dec. 29, 2017	Aug. 31, 2013
Debt Instrument [Line Items]
Weighted average interest rate on outstanding borrowings		3.68%
Credit facility		$ 100,000,000	$ 100,000,000
Standby letter of credit		5,000,000	5,000,000
Line of credit		0	35,000,000
Vendor Associated Line of Credit
Debt Instrument [Line Items]
Line of credit		$ 0	$ 585,000
Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility				$ 15,000,000
LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		2.26%
LIBOR \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	1.50%
LIBOR \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	2.50%
Prime Rate
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		5.25%
Prime Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	0.50%
Prime Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	1.50%
Term Loan
Debt Instrument [Line Items]
Term loan amount	$ 75,000,000