Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012
Net income (loss)	$ 5,801	$ 2,882	$ (28,056)
Changes in market value of investments, net of tax:
Changes in unrealized gain (loss) on investments	(754)	(243)	385
Reclassification adjustment for net realized gains (losses)	201	(82)	(299)
Net change in market value of investments	(553)	(325)	86
Comprehensive income (loss)	$ 5,248	$ 2,557	$ (27,970)