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Revenue from Contract with Customers (Tables)

9 Months Ended

Dec. 25, 2020

Revenue from Contract with Customer [Abstract]

Net Sales by Core End Market and Application

Net sales by core end market and application:

			Three-Month Period Ended												Nine-Month Period Ended
			December 25, 2020						December 27, 2019						December 25, 2020						December 27, 2019
Core end market:
Automotive			$	113,902					$	99,074					$	279,759					$	289,681
Industrial			23,654						21,358						65,710						56,095
Other			26,893						15,070						70,630						53,399
Other applications:
Wafer foundry products			—						16,634						—						49,622
Distribution of Sanken products			—						7,666						—						26,688
Total net sales			$	164,449					$	159,802					$	416,099					$	475,485

Revenue from External Customers by Products and Services

Net sales by product:

			Three-Month Period Ended												Nine-Month Period Ended
			December 25, 2020						December 27, 2019						December 25, 2020						December 27, 2019
Power integrated circuits (“PIC”)			$	54,406					$	43,665					$	146,276					$	123,900
Magnetic sensors (“MS”)			109,457						91,837						268,956						275,275
Photonics			586						—						867						—
Wafer foundry products			—						16,634						—						49,622
Distribution of Sanken products			—						7,666						—						26,688
Total net sales			$	164,449					$	159,802					$	416,099					$	475,485

Revenue from External Customers by Geographic Areas

Net sales by geography:

			Three-Month Period Ended												Nine-Month Period Ended
			December 25, 2020						December 27, 2019						December 25, 2020						December 27, 2019
Americas:
United States			$	23,934					$	27,498					$	57,892					$	86,746
Other Americas			5,620						4,722						10,797						15,930
EMEA:
Europe			28,239						24,341						70,459						76,622
Asia:
Japan			26,439						46,010						72,570						131,950
Greater China			46,172						35,284						116,178						95,244
South Korea			17,606						14,119						43,733						41,413
Other Asia			16,439						7,828						44,470						27,580
Total net sales			$	164,449					$	159,802					$	416,099					$	475,485

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

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- Definition

Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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- Definition

Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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