Stock-Based Compensation Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 31, 2012
Stock Based compensation expense
Income tax effect	$ (67,000)	$ (32,600)	$ (31,200)
Employee Stock Purchase Plan [Member]
Stock Based compensation expense
Stock-based compensation effect on income before taxes	94,314	77,862	67,418
Income tax effect	(27,327)	(22,137)	(19,214)
Net stock-based compensation effect on net income	66,987	55,725	48,204
Employee Stock Purchase Plan [Member] | Cost of Revenues [Member]
Stock Based compensation expense
Stock-based compensation effect on income before taxes	7,602	6,356	5,630
Employee Stock Purchase Plan [Member] | Research and Development [Member]
Stock Based compensation expense
Stock-based compensation effect on income before taxes	46,197	37,937	32,310
Employee Stock Purchase Plan [Member] | Selling, General and Administrative Expenses [Member]
Stock Based compensation expense
Stock-based compensation effect on income before taxes	$ 40,515	$ 33,569	$ 29,478