Summary of Significant Accounting Policies (Accumulated Other Comprehensive Income) (Details) (USD $)	12 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 31, 2012
Accounting Policies [Abstract]
Unrealized gain on available-for-sale investments, before tax	$ 126,000	$ 362,000	$ 176,000
Tax on unrealized gain on available-for-sale investments	44,000	124,000	60,000
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	$ 82,000	$ 238,000	$ 116,000