Stock-Based Compensation - Schedule of Stock Based Compensation Award Activity (Details) - shares		6 Months Ended
Apr. 22, 2020	Jun. 28, 2020
Shares Available for Grants
RSUs granted (in shares)		(418,000)
Forfeited or expired (in shares)		205,000
Options cancelled (in shares)		48,000
2019 Plan
Shares Available for Grants
Balance at end of period (in shares)	550,000	657,876
Additional shares of common stock reserved for issuance (in shares)		550,000
Options cancelled (in shares)		49,000
2019 Plan \| RSUs and Performance RSUs
Shares Available for Grants
Balance at beginning of period (in shares)		272,000
Balance at end of period (in shares)		658,000
2019 Plan \| Restricted Stock Units (RSUs)
Shares Available for Grants
RSUs granted (in shares)		(289,000)
Forfeited or expired (in shares)		163,000
2019 Plan \| Performance Restricted Stock Units
Shares Available for Grants
RSUs granted (in shares)		(129,000)
Forfeited or expired (in shares)		42,000

Share-based compensation arrangement by share-based payment award, available for grant, number of shares.

No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

+ Details

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