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Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 25, 2021	Mar. 26, 2021
Finite-Lived Intangible Assets [Line Items]
Gross	$ 58,635	$ 56,953
Accumulated Amortization	22,334	20,587
Net Carrying Amount	36,301	36,366
Patents
Finite-Lived Intangible Assets [Line Items]
Gross	33,703	32,751
Accumulated Amortization	13,013	12,307
Net Carrying Amount	$ 20,690	$ 20,444
Weighted- Average Lives	10 years	10 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross	$ 6,923	$ 6,193
Accumulated Amortization	6,610	5,865
Net Carrying Amount	$ 313	$ 328
Weighted- Average Lives	9 years	9 years
Process technology
Finite-Lived Intangible Assets [Line Items]
Gross	$ 13,100	$ 13,100
Accumulated Amortization	924	651
Net Carrying Amount	$ 12,176	$ 12,449
Weighted- Average Lives	12 years	12 years
Indefinite-lived and legacy process technology
Finite-Lived Intangible Assets [Line Items]
Gross	$ 4,050	$ 4,050
Accumulated Amortization	1,650	1,650
Net Carrying Amount	2,400	2,400
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross	200	200
Accumulated Amortization	34	24
Net Carrying Amount	$ 166	$ 176
Weighted- Average Lives	5 years	5 years
Legacy trademarks
Finite-Lived Intangible Assets [Line Items]
Gross	$ 627	$ 627
Accumulated Amortization	71	58
Net Carrying Amount	556	569
Other
Finite-Lived Intangible Assets [Line Items]
Gross	32	32
Accumulated Amortization	32	32
Net Carrying Amount	$ 0	$ 0

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-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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