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Equity Compensation (Summary of Effect of Stock-Based Compensation) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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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

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