Equity Compensation (Summary of Effect of Stock-Based Compensation) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 27, 2021	Mar. 28, 2020	Mar. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect on pre-tax income	$ 56,762	$ 53,757	$ 49,689
Income Tax Benefit	(9,558)	(9,336)	(5,748)
Total stock-based compensation expense (net of taxes)	$ 47,204	$ 44,421	$ 43,941
Share based compensation effects on basic earnings per share (in dollars per share)	$ 0.81	$ 0.76	$ 0.73
Share based compensation effects on diluted earnings per share (in dollars per share)	$ 0.79	$ 0.73	$ 0.71
Cost of sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect on pre-tax income	$ 900	$ 908	$ 877
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect on pre-tax income	37,483	33,859	29,115
Sales, general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect on pre-tax income	$ 18,379	$ 18,990	$ 19,697