Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Non-current
Deferred tax asset, inventory and warranty, non-current	$ 11,246	$ 11,524
Deferred Tax Assets Receivables and other non-current assets	(274)	(91)
Deferred compensation	7,574	6,035
Non-current deferred tax liabilities, Intangible assets and investments	(382)
Intangible assets and investments		865
Accrued liabilities	3,006	1,626
Non-current deferred income taxes, net	3,478	1,746
Property, plant and equipment	5,029	5,220
Other comprehensive income	456	219
Tax loss and credit carryforwards	73,805	67,630
Deferred Tax Assets, Other	259
Deferred Tax Liabilities, Other		(219)
Total non-current deferred tax asset	104,197	94,555
Valuation allowance, non-current	(103,315)	(93,875)
Net deferred tax assets	882	$ 680
Increase in valuation allowance	$ (9,400)