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Revenue from Contract with Customers
 12 Months Ended
Mar. 26, 2021
Revenue from Contract with Customer [Abstract]  
Revenue from Contracts with Customers Revenue from Contracts with CustomersThe Company generates revenue from the sale of magnetic sensor integrated circuits (“ICs”), application-specific analog power semiconductors, wafer foundry products and from the sale of Sanken related products. The following tables summarize net sales disaggregated by core end market and application, by product and by geography for the fiscal years ended March 26, 2021 and March 27, 2020. The categorization of net sales by core end market and application is determined using various characteristics of the product and the application into which the Company’s product will be incorporated. The categorization of net sales by geography is determined based on the location the products are being shipped to.
Net sales by core end market and application:
Fiscal Year Ended
March 26,
2021		March 27,
2020
Core end market:
Automotive$398,298 $395,277 
Industrial94,872 78,399 
Other98,037 68,622 
Other applications:
Wafer foundry products— 72,370 
Distribution of Sanken products— 35,421 
Total net sales$591,207 $650,089 
Net sales by product:
Fiscal Year Ended
March 26,
2021		March 27,
2020
Power integrated circuits (“PIC”)$203,600 $165,911 
Magnetic sensors (“MS”)386,372 376,387 
Photonics1,235 — 
Wafer foundry products— 72,370 
Distribution of Sanken products— 35,421 
Total net sales$591,207 $650,089 
Net sales by geography:
Fiscal Year Ended
March 26,
2021		March 27,
2020
Americas:
United States$82,165 $119,139 
Other Americas16,558 20,883 
EMEA:
Europe103,128 110,126 
Asia:
Japan104,661 184,557 
Greater China157,546 121,807 
South Korea62,075 54,707 
Other Asia65,074 38,870 
Total net sales$591,207 $650,089 
The Company recognizes sales net of returns, credits issued, price protection adjustments and stock rotation rights. At March 26, 2021 and March 27, 2020, these adjustments were $15,412 and $17,473, respectively, and were netted against trade accounts receivable in the consolidated balance sheets. These amounts represent activity of income and charges of $2,061 and $423, respectively, for the fiscal years ended March 26, 2021 and March 27, 2020, respectively.
Unsatisfied performance obligations primarily represent contracts for products with future delivery dates. The Company elected not to disclose the amount of unsatisfied performance obligations as these contracts have original expected durations of less than one year.