Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 26, 2020	Mar. 28, 2020
Accrued Expenses and Other Current Liabilities
Customer deposits	$ 34,373	$ 22,055
Salaries, wages and benefits	32,338	25,885
Company repurchase options on certain loans sold	29,104	7,444
Unearned insurance premiums	21,223	20,614
Estimated warranties	17,996	18,678
Accrued volume rebates	12,063	9,801
Accrued self-insurance	5,661	5,112
Insurance loss reserves	5,351	5,582
Operating lease liability	4,082	4,170
Reserve for repurchase commitments	2,281	2,679
Accrued taxes	2,212	1,908
Other	19,342	16,002
Total accrued expenses and other current liabilities	$ 186,026	$ 139,930