Income Taxes [Line Items]

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- Definition

Tax year being audited in the income tax examination, in CCYY format.

+ References

No definition available.

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax settlement.

+ References

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- Definition

Amount of unrecognized tax benefits.

+ References

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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-Publisher FASB
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-SubTopic 10
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- Definition

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Income Taxes - Uncertainty in Income Taxes - Narrative (Detail) - USD ($)	3 Months Ended
	Apr. 28, 2019	Apr. 29, 2018	Jan. 29, 2017	Apr. 30, 2016	May 03, 2020	Apr. 30, 2017
Income Taxes [Line Items]
Unrecognized tax benefits	$ 903,000	$ 844,000			$ 1,269,000	$ 12,245,000
Unrecognized tax benefits that would favorably impact effective income tax rate if recognized	523,000				1,300,000
Gross amount of interest and penalties due to unrecognized tax benefits	97,000				103,000
Canadian Provincial (Quebec) Returns [Member]
Income Taxes [Line Items]
Income tax examination, final adjustments	4,000
U.S. [Member]
Income Taxes [Line Items]
Income tax examination, final adjustments		$ 0
Earliest Tax Year [Member] \| Canadian Provincial (Quebec) Returns [Member]
Income Taxes [Line Items]
Income tax examination, year under examination			2013
Earliest Tax Year [Member] \| U.S. [Member]
Income Taxes [Line Items]
Income tax examination, year under examination				2014
Latest Tax Year [Member] \| Canadian Provincial (Quebec) Returns [Member]
Income Taxes [Line Items]
Income tax examination, year under examination			2015
Latest Tax Year [Member] \| U.S. [Member]
Income Taxes [Line Items]
Income tax examination, year under examination				2016
Non-current Deferred Income Taxes [Member]
Income Taxes [Line Items]
Unrecognized tax benefits	380,000
Income Taxes Payable - Long-Term [Member]
Income Taxes [Line Items]
Unrecognized tax benefits	$ 523,000				$ 1,300,000