Accrued Liabilities (Details) - USD ($)	Dec. 30, 2017	Apr. 01, 2017
Accrued liabilities
Customer deposits	$ 22,492,000	$ 15,986,000
Salaries, wages and benefits	20,314,000	22,029,000
Unearned insurance premiums	16,083,000	17,488,000
Estimated warranties	16,040,000	15,479,000
Accrued volume rebates	9,715,000	5,686,000
Company repurchase option on certain loans sold	6,516,000	5,858,000
Insurance loss reserves	4,956,000	5,239,000
Accrued insurance	4,358,000	4,113,000
Deferred margin	2,906,000	2,906,000
Accrued taxes	1,174,000	1,682,000
Reserve for repurchase commitments	1,634,000	1,749,000
Capital lease obligation	1,141,000	0
Other	16,332,000	11,574,000
Total accrued liabilities	$ 123,661,000	$ 109,789,000