Nature of Business and Significant Accounting Policies -Textual (Details) $ in Thousands	12 Months Ended
	Mar. 29, 2020 Segment	Mar. 31, 2019	Apr. 01, 2018 USD ($)
Number of reportable segments (segment) | Segment	3
Number of Weeks in Fiscal Year	364 days	364 days	364 days
Number of weeks in next fiscal year	364 days
Percentage of LIFO Inventory	72.00%
Percentage of FIFO inventory	28.00%
Tax effects reclassified from other comprehensive income to retained earnings | $			$ 100
Maximum [Member]
Number of Weeks in Fiscal Year	371 days
Minimum [Member]
Number of Weeks in Fiscal Year	364 days
Average [Member]
Finite-lived intangible asset, useful life	14 years