Debt covenant required secured leverage ratio.

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- Definition

Debt covenant secured leverage ratio declined each period.

+ References

No definition available.

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- Definition

Debt instrument annual principal payment percentage.

+ References

No definition available.

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- Definition

Debt instrument floor interest rate percentage.

+ References

No definition available.

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- Definition

Line of credit facility fixed charge coverage ratio

+ References

No definition available.

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- Definition

Line of credit facility maximum future incremental borrowing capacity amount.

+ References

No definition available.

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- Definition

Line of credit facility maximum future incremental facility amount.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

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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

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- Definition

Amount of increase (decrease) of the credit facility.

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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.

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Long-Term Debt - Additional Information (Detail) - USD ($)					12 Months Ended
	Mar. 29, 2019	Jul. 18, 2018	Dec. 22, 2017	Apr. 25, 2017	Oct. 31, 2020	Jul. 31, 2022	Apr. 30, 2020	Apr. 29, 2020	Jan. 31, 2020	Jan. 30, 2020	Oct. 31, 2019	Oct. 18, 2019	Oct. 17, 2019
Debt Instrument [Line Items]
Debt issuance costs								$ 200,000	$ 400,000			$ 200,000
Weighted-average interest rate on term loan					1.85%
Secured leverage declined basis points								0.25%
Weighted-average interest rate					1.85%
Maximum [Member]
Debt Instrument [Line Items]
Secured leverage net ratio							1.25%	5.25%	5.00%	4.00%		4.00%	3.50%
Maximum [Member] \| Scenario, Forecast
Debt Instrument [Line Items]
Secured leverage net ratio						4.25%
April 2017 Asset Based Lending Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 350,000,000.0
Debt issuance costs			$ 400,000	4,900,000					$ 400,000
Additional increase in borrowing capacity				$ 100,000,000.0
Debt instrument maturity date				Apr. 25, 2022
Additional increase in borrowing capacity			$ 100,000,000.0
Available current borrowing capacity					$ 283,400,000
April 2017 Asset Based Lending Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument applicable interest rate margins			0.75%
April 2017 Asset Based Lending Facility [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Debt instrument applicable interest rate margins			1.75%
Required annual payment percentage			0.00%
April 2017 Asset Based Lending Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 350,000,000.0						450,000,000.0
April 2017 Asset Based Lending Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 450,000,000.0						$ 500,000,000.0
Fixed charge coverage ratio					100.00%
April 2017 Asset Based Lending Facility [Member] \| Swing Lines Loan [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 30,000,000.0
April 2017 Asset Based Lending Facility [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				35,000,000.0
Term Loan [Member]
Debt Instrument [Line Items]
Debt issuance costs	$ 800,000	$ 600,000		$ 2,000,000.0	$ 1,700,000						$ 2,200,000
Debt instrument maturity date					Apr. 25, 2022
Additional increase in borrowing capacity	50,000,000.0	50,000,000.0
Required annual payment percentage				0.25%
Weighted-average interest rate on term loan					5.25%
Debt principal amount				$ 75,000,000.0
Weighted-average interest rate					5.25%
Term Loan [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument applicable interest rate margins				3.25%
Debt instrument frequency of payment					Quarterly
Term Loan [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Debt instrument applicable interest rate margins				4.25%
Debt instrument , floor interest rate				1.00%
Debt instrument frequency of payment					Monthly or Quarterly
Term Loan [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	125,000,000.0	75,000,000.0
Term Loan [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 175,000,000.0	$ 125,000,000.0
Additional increase in borrowing capacity					$ 125,000,000.0