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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Aug. 01, 2020	Jul. 27, 2019
Income taxes
Provision for income taxes	$ 1,207	$ 2,133
Effective tax benefit rate (as a percent)	9.60%	10.40%

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
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-SubTopic 10
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X

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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