Accrued Liabilities (Details) (USD $)	Sep. 27, 2014	Mar. 29, 2014
Accrued liabilities
Salaries, wages and benefits	$ 15,753,000	$ 15,780,000
Unearned insurance premiums	12,644,000	11,326,000
Customer deposits	11,028,000	10,827,000
Estimated warranties	9,393,000	9,262,000
Deferred margin	4,439,000	4,074,000
Accrued insurance	3,572,000	4,082,000
Accrued Volume Rebates	3,296,000	2,540,000
Liabilities Related To Consumer Loans Sold	3,072,000	3,435,000
Liability for Unpaid Claims and Claims Adjustment Expense, Reported and Incurred but Not Reported (IBNR) Claims	2,136,000	986,000
Taxes Payable, Current	1,970,000	1,766,000
Assets Sold under Agreements to Repurchase, Repurchase Liability	1,850,000	1,845,000
Other	6,691,000	7,596,000
Total accrued liabilities	$ 75,844,000	$ 73,519,000