Discontinued Operations - Schedule of Net Income from Discontinued Operations (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Mar. 27, 2021	Mar. 28, 2020	Mar. 30, 2019
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net sales		$ 0	$ 0
Cost of sales		0	0
Gross profit		0	0
Selling, general and administrative expenses		552	381
Restructuring charges		0	0
Depreciation and amortization		0	0
Total operating expenses		552	381
Operating (loss) income		(552)	(381)
Interest and other financial costs		0	0
Debt extinguishment charges		0	0
(Loss) income from discontinued operations		(552)	(381)
Income tax expense(benefit)		0	0
(Loss) income from discontinued operations, net of taxes		(552)	(381)
Gain on disposal, net of taxes		0	0
Net (loss) income from discontinued operations,		$ (552)	$ (381)
Weighted average common shares outstanding:
Basic	18,005	17,968	17,961
Diluted	18,005	17,968	17,961
Net (loss) income from discontinued operations per common share:
Basic		$ (0.03)	$ (0.02)
Diluted		$ (0.03)	$ (0.02)

Disposal group including discontinued operation debt extinguishment charges.

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Disposal group including discontinued operation interest and other financial costs.

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Disposal group including discontinued operation selling general and administrative expenses.

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Restructuring costs charged to discontinued operations.

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Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount before tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until its disposal.

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Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.

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Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.

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