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Stock-Based Compensation - Summary of Grants of Common Stock to Outside Directors (Detail) - Common Stock Awards [Member] - Outside Directors [Member] - Immediate Vesting [Member] - $ / shares		1 Months Ended		4 Months Ended	7 Months Ended			10 Months Ended
		May 03, 2020	Apr. 28, 2019	May 03, 2020	May 03, 2020	Apr. 28, 2019	Apr. 29, 2018	May 03, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock Awarded		10,511	2,948	4,972	4,519	3,600	4,800	3,659
Price Per Share	[1]	$ 6.66	$ 19.18	$ 14.08	$ 15.49	$ 23.45	$ 33.20	$ 19.21
[1] Price per share represents closing price of our common stock on the date of grant.

X

- 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=116856206&loc=d3e5070-113901

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X

- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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=116856206&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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