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Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 26, 2020	Dec. 25, 2020	Mar. 27, 2020
Finite-Lived Intangible Assets [Line Items]
Gross		$ 56,037	$ 36,867
Accumulated Amortization		19,617	16,909
Net Carrying Amount		36,420	19,958
Patents
Finite-Lived Intangible Assets [Line Items]
Gross		31,852	29,115
Accumulated Amortization		11,661	9,834
Net Carrying Amount		$ 20,191	19,281
Weighted- Average Lives	10 years	10 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross		$ 6,193	5,462
Accumulated Amortization		5,823	5,335
Net Carrying Amount		$ 370	127
Weighted- Average Lives	9 years	9 years
Process technology
Finite-Lived Intangible Assets [Line Items]
Gross		$ 17,150	1,650
Accumulated Amortization		2,028	1,650
Net Carrying Amount		$ 15,122	0
Weighted- Average Lives		12 years
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross		$ 810	608
Accumulated Amortization		73	58
Net Carrying Amount		$ 737	550
Weighted- Average Lives		5 years
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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