Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
May 02, 2020	Apr. 27, 2019	Apr. 28, 2018
Current:
Federal	$ 625	$ (2,142)	$ 1,646
State	297	384	868
Foreign	761	1,151	1,205
Deferred:
Federal	(2,028)	(2,725)	3,693
State	(321)	(390)	27
Foreign	166	(264)	(572)
Income tax (benefit) expense	$ (500)	$ (3,986)	$ 6,867

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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