v3.26.1
Summary of Significant Accounting Policies - Concentrations of Credit Risk and Significant Customers - Additional Information (Details) - USD ($)
12 Months Ended
Mar. 27, 2026
Mar. 28, 2025
Mar. 29, 2024
Concentration Risk [Line Items]      
Net sales $ 890,096,000 $ 725,006,000 $ 1,049,367,000
Greater China      
Concentration Risk [Line Items]      
Net sales 249,417,000 183,033,000 274,851,000
Japan      
Concentration Risk [Line Items]      
Net sales 150,946,000 153,842,000 175,713,000
Taiwan      
Concentration Risk [Line Items]      
Net sales 89,038    
South Korea      
Concentration Risk [Line Items]      
Net sales $ 77,976,000 $ 73,702,000 $ 113,877,000
Revenue Benchmark | Customer Concentration Risk | Sanken Electric Co., Ltd.      
Concentration Risk [Line Items]      
Concentration risk, percentage     0.60%
Revenue Benchmark | Customer Concentration Risk | Largest Distributor      
Concentration Risk [Line Items]      
Concentration risk, percentage 9.40% 9.30% 10.20%
Revenue Benchmark | Geographic Concentration Risk | Non-US      
Concentration Risk [Line Items]      
Concentration risk, percentage 89.70% 87.20% 85.80%
Revenue Benchmark | Geographic Concentration Risk | Greater China      
Concentration Risk [Line Items]      
Concentration risk, percentage 28.00% 25.20% 26.20%
Revenue Benchmark | Geographic Concentration Risk | Japan      
Concentration Risk [Line Items]      
Concentration risk, percentage 17.00% 21.20% 16.70%
Revenue Benchmark | Geographic Concentration Risk | Taiwan      
Concentration Risk [Line Items]      
Concentration risk, percentage 10.00%    
Revenue Benchmark | Geographic Concentration Risk | South Korea      
Concentration Risk [Line Items]      
Concentration risk, percentage   10.20% 10.90%