Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Apr. 01, 2017
Net long-term deferred tax (liabilities) assets
Goodwill	$ (15,637)	$ (24,847)
Warranty reserves	4,033	5,784
Loan discount	3,662	6,419
Property, plant, equipment and depreciation	(3,575)	(4,569)
Stock-based compensation	2,177	3,054
Salaries and wages	1,741	2,375
Prepaid expenses	(1,585)	(2,494)
Other intangibles	(1,581)	(2,382)
Inventory	1,196	1,466
Deferred revenue	829	1,374
Policy acquisition costs	(571)	(1,001)
Deferred margin	474	1,627
Other	1,260	1,280
Deferred Tax Liabilities, Net	$ (7,577)	$ (11,914)