Revenue - Customer Concentration (Details) - Automotive - Customer Concentration Risk	12 Months Ended
May 02, 2020	Apr. 27, 2019	Apr. 28, 2018
GM
Concentration Risk [Line Items]
Percentage of Net Sales	26.80%	35.50%	43.30%
Ford
Concentration Risk [Line Items]
Percentage of Net Sales	10.70%	11.60%	12.30%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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