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Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
	Aug. 28, 2020	Dec. 25, 2020	Jun. 26, 2020	Dec. 27, 2019	Dec. 25, 2020	Dec. 27, 2019	Mar. 27, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill		$ 20,249			$ 20,249		$ 1,285
Intangible assets amortization expense		$ 926		$ 422	$ 2,310	$ 1,267
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life			10 years		10 years
Voxtel
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary purchase price	$ 35,081
Goodwill	18,803
Finite-lived intangible assets	13,600
Indefinite-lived intangible assets acquired	$ 2,400

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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