Shares under stock options and stock appreciation rights, number of shares charged to reserve per granted share.

No definition available.

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- Definition

Shares under stock options and stock appreciation rights, share basis for number shares charged to reserve.

+ References

No definition available.

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- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 30
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ 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
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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-Publisher FASB
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-Topic 718
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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested 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)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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

Percentage of vesting of award under share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation Plans - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
	Sep. 04, 2020	Dec. 29, 2020	Dec. 31, 2019	Jan. 01, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares charged to reserve per granted share		1
Share basis for number shares charged to reserve		1
Expiration term of stock options		10 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares charged to reserve per granted share		1.5
Stock granted for foregone cash compensation for salary reductions	$ 0.8
Restricted Stock Units (RSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting of grants, restricted stock	62,500
Stock Options and Time-based RSUs [Member] \| Vesting Period One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		1 year
Stock Options and Time-based RSUs [Member] \| Vesting Period Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		3 years
Stock Options and Time-based RSUs [Member] \| Vesting Period Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		5 years
Stock Options and Time-based RSUs [Member] \| Cliff Vesting Third Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		33.00%
Stock Options and Time-based RSUs [Member] \| Cliff Vesting Fifth Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		67.00%
Stock Options and Time-based RSUs [Member] \| Cliff Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		5 years
Performance Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting of grants, restricted stock		29,000	28,000	0
Unrecognized stock-based compensation expense		$ 1.5
Unrecognized stock-based compensation expenses recognition period (in years)		3 years
Performance Based Restricted Stock Units \| Minimum \| Cliff Vesting Third Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		0.00%
Performance Based Restricted Stock Units \| Maximum \| Cliff Vesting Third Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		150.00%
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expense		$ 1.7
Unrecognized stock-based compensation expenses recognition period (in years)		5 years
Time-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting of grants, restricted stock		156,000	118,000	102,000
Unrecognized stock-based compensation expense		$ 9.6
Unrecognized stock-based compensation expenses recognition period (in years)		5 years