Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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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.

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No definition available.

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The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Derivative Financial Instruments and Risk Management - Additional Information (Detail) - USD ($)	9 Months Ended
	Oct. 27, 2018	Nov. 30, 2017	Feb. 28, 2017
Cross Currency Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Principal amount of debt	$ 15,000,000
Derivative notional amount	6,700,000
Derivative fair value	500,000
Amount of gain reclassify from Accumulated OCI into income during next 12 months	300,000
Cross Currency Interest Rate Contract [Member] \| Other Assets [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative notional amount	12,000,000
Derivative fair value	200,000
Cross Currency Interest Rate Contract [Member] \| Swap [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative notional amount			$ 8,900,000
Term Loan [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Principal amount of debt	$ 15,000,000
Term Loan [Member] \| Bank of America, N.A. [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Principal amount of debt		$ 15,000,000	$ 9,200,000