Deferred Compensation Plan - Narrative (Detail) - USD ($)	12 Months Ended
Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Retirement Benefits [Abstract]
Percentage of deferred salary and commissions (up to)	25.00%
Percentage of bonuses (up to)	100.00%
Percentage of deferred matching contribution amount	25.00%
Matching contribution on deferred amount (up to)	$ 10,000
Vesting schedule	5 years
Assets held in mutual funds	$ 1,911,000	$ 1,905,000
Assets held in mutual funds, current	355,000	545,000
Distributions from the deferred compensation plan aggregated	$ 686,000	$ 849,000	$ 289,000

Deferred Compensation Arrangement Matching Contribution Percentage

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- Definition

Deferred Compensation Plan Maximum Percentage Deferred Of Annual Base Salary

+ References

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- Definition

Deferred Compensation Plan Maximum Percentage Deferred Of Annual Bonus

+ References

No definition available.

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- Definition

The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(b))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate within one year of the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited.

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- Definition

Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement.

+ References

No definition available.

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- Definition

Amount of distribution made to individual in accordance with deferred compensation arrangement.

+ References

No definition available.

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- Definition

Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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