Summary of Significant Accounting Policies (Accumulated Other Comprehensive Income) (Details) - USD ($)	12 Months Ended
	Apr. 02, 2016	Mar. 28, 2015	Mar. 29, 2014
Accounting Policies [Abstract]
Unrealized gain on available-for-sale investments, before tax	$ 1,300,000	$ 106,000	$ 126,000
Tax on unrealized gain on available-for-sale investments	539,000	38,000	44,000
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	$ 785,000	$ 68,000	$ 82,000