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Summary of Significant Accounting Policies - Concentrations of Credit Risk and Significant Customers (Details) - Revenue Benchmark	12 Months Ended
	Mar. 28, 2025	Mar. 29, 2024	Mar. 31, 2023
Customer Concentration Risk | Sanken Electric Co., Ltd.
Concentration Risk [Line Items]
Concentration risk, percentage		0.60%	16.50%
Customer Concentration Risk | Largest Distributor
Concentration Risk [Line Items]
Concentration risk, percentage	9.30%	10.20%	10.80%
Geographic Concentration Risk | Non-US
Concentration Risk [Line Items]
Concentration risk, percentage	87.20%	85.80%	86.50%
Geographic Concentration Risk | Greater China
Concentration Risk [Line Items]
Concentration risk, percentage	25.20%	26.20%	26.10%
Geographic Concentration Risk | Japan
Concentration Risk [Line Items]
Concentration risk, percentage	21.20%	16.70%	16.50%
Geographic Concentration Risk | South Korea
Concentration Risk [Line Items]
Concentration risk, percentage	10.20%	10.90%

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