Schedule II - Valuation and Qualifying Accounts, Allowances (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Mar. 30, 2019
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning of Year	$ 3,239	$ 3,170	$ 3,170
Additions	0	79	0
Deductions	90	10	0
End of Year	3,149	3,239	3,170
Valuation allowance for deferred tax assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning of Year	150,907	118,773	101,383
Additions	21,610	34,488	17,390
Deductions	0	2,354	0
End of Year	$ 172,517	$ 150,907	$ 118,773