Business Combinations (Fiscal 2013 Acquisitions, Schedule Of Purchase Price Allocation) (Details) (Privately-Held Provider Of Mobile Application Management [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 29, 2013
Business Acquisition [Line Items]
Business acquisition date	Apr. 02, 2012
Total purchase price	$ 28
Goodwill	24
Intangible assets	$ 4
Minimum [Member]
Business Acquisition [Line Items]
Useful lives of intangible assets	5 years
Maximum [Member]
Business Acquisition [Line Items]
Useful lives of intangible assets	9 years