Inventories - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 24, 2021	Dec. 25, 2020	Dec. 24, 2021	Dec. 25, 2020
Inventory Disclosure [Abstract]
Recorded inventory provisions	$ 348	$ 885	$ 5,389	$ 2,958
Disposal Group, Not Discontinued Operations \| Voxtel Product Line
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Recorded inventory provisions	$ 0		$ 3,106

Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

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