Concentration of Credit Risk, Major Customers and Suppliers (Details) - Finished goods - Supplier Concentration Risk	12 Months Ended
Mar. 27, 2021	Mar. 28, 2020	Mar. 30, 2019
Contractor
Concentration Risk [Line Items]
Concentration risk (as a percent)	18.00%	20.00%	21.00%
Agent
Concentration Risk [Line Items]
Concentration risk (as a percent)	26.00%	26.00%	24.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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