Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Mar. 31, 2012
Net current deferred tax assets
Warranty reserves	$ 2,999	$ 3,662
Inventory	1,381	761
Salaries and wages	1,182	1,065
Insurance reserves	693	624
Repurchase reserves	665	424
Goodwill	0	270
Other	(196)	(149)
Total net current deferred tax assets	6,724	6,657
Net long-term deferred tax (liabilities) assets
Goodwill	(25,018)	(22,505)
Loan discount	10,736	13,488
Property, plant, equipment and depreciation	(5,141)	(4,693)
Net operating loss carryforwards	5,077	4,004
Other intangibles	(3,107)	(3,805)
Deferred margin	1,732	1,927
Stock based compensation	1,263	983
Bond discount	(1,046)	(1,218)
Salaries and wages	860	0
Buydown points	(717)	(1,060)
Reserves related to consumer loans sold	478	315
Tax credits	410	418
Other	723	718
Total net long-term deferred tax (liabilities) assets	$ (13,750)	$ (11,428)