Accrued Liabilities (Details) - USD ($)	Dec. 31, 2016	Apr. 02, 2016
Accrued liabilities
Salaries, wages and benefits	$ 19,316,000	$ 20,675,000
Customer deposits	13,904,000	14,039,000
Unearned insurance premiums	16,283,000	15,528,000
Estimated warranties	15,401,000	13,371,000
Accrued Volume Rebates	6,619,000	4,647,000
Liabilities Related To Consumer Loans Sold	5,571,000	3,497,000
Accrued Insurance, Current	4,017,000	3,969,000
Liability for Unpaid Claims and Claims Adjustment Expense, Reported and Incurred but Not Reported (IBNR) Claims	3,022,000	5,990,000
Deferred Margin Current	3,706,000	2,823,000
Accrued Income Taxes	1,227,000	1,282,000
Assets Sold under Agreements to Repurchase, Repurchase Liability	1,644,000	1,660,000
Capital Lease Obligations	0	2,387,000
Other	12,386,000	10,446,000
Total accrued liabilities	$ 103,096,000	$ 100,314,000