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Goodwill and Intangible Assets - Components of Amortizable Intangible Assets (Detail) - USD ($) $ in Thousands | Dec. 26, 2020 | Mar. 28, 2020
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Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | $ 62,106 | $ 61,438
Accumulated amortization | (22,834) | (18,081)
Amortizable intangibles, net | 39,272 | 43,357
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 48,845 | 48,370
Accumulated amortization | (16,847) | (13,118)
Amortizable intangibles, net | 31,998 | 35,252
Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 13,261 | 13,068
Accumulated amortization | (5,987) | (4,963)
Amortizable intangibles, net | $ 7,274 | $ 8,105

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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