Equity Compensation (Summary of Effect of Stock-Based Compensation on Cost of Goods Sold) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Effect on pre-tax income	$ 37,549us-gaap_ShareBasedCompensation	$ 23,074us-gaap_ShareBasedCompensation	$ 21,495us-gaap_ShareBasedCompensation
Income tax benefit	(37,692)	(8,445)	(106)
Total share based compensation expense (benefit) (net of taxes)	(143)	14,629	21,389
Share based compensation effects on basic earnings per share	$ 1.20	$ 0.50	$ 0.33
Share based compensation effects on diluted earnings per share	$ 1.15	$ 0.48	$ 0.32
Share based compensation effects on operating activities cash flow	(143)	14,629	21,389
Share based compensation effects on financing activities cash flow	37,692	8,445	106
Cost of Sales [Member]
Effect on pre-tax income	747	864	751
Research and Development [Member]
Effect on pre-tax income	11,222	10,392	10,549
Selling, General and Administrative [Member]
Effect on pre-tax income	$ 25,580	$ 11,818	$ 10,195

Share Based Compensation Effects On Basic Earnings (Loss) Per Share

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- Definition

Share Based Compensation Effects On Diluted Earnings (Loss) Per Share

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- Definition

The net effect of share based compensation expense on the operating section of the cash flow statement

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No definition available.

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- Definition

The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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No definition available.

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- Definition

Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 20

-Section 55

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11374-113907

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- Definition

Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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