Income Taxes - GILTI - Narrative (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Aug. 01, 2021	Aug. 02, 2020	May 02, 2021	May 03, 2020	Apr. 28, 2019
Income Taxes [Line Items]
U.S. Federal income tax rate	21.00%	21.00%
Effective income tax rate	28.70%	283.70%
GILTI [Member]
Income Taxes [Line Items]
Non-cash income tax benefit		$ 3.5		$ 3.5	$ 3.5
GILTI [Member] | Canada [Member]
Income Taxes [Line Items]
Minimum effective income tax rate required to meet the high-tax exception provision	18.90%
GILTI [Member] | Haiti [Member]
Income Taxes [Line Items]
Effective income tax rate	0.00%
Minimum effective income tax rate required to meet the high-tax exception provision	18.90%
GILTI [Member] | Haiti [Member] | Economic Zone [Member]
Income Taxes [Line Items]
Effective income tax rate	0.00%
Income tax rate exemption for available period	first fifteen years
Income tax rate exemption for remaining period	10 years
GILTI [Member] | High Tax Exception [Member]
Income Taxes [Line Items]
Minimum percentage of high tax exception foreign effective income tax rate to current year earnings of us federal income tax rate	90.00%	90.00%	90.00%	90.00%	90.00%
U.S. Federal income tax rate	21.00%	21.00%	21.00%	21.00%	21.00%
Effective income tax rate	18.90%	18.90%	18.90%	18.90%	18.90%