Equity Compensation (Narrative) (Details) (USD $)	12 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Share based compensation shares available for grant reduction ratio	1.5
Shares reserved for issuance under the Plan	12,600,000
Stock compensation expense	$ 37,549,000us-gaap_ShareBasedCompensation	$ 23,074,000us-gaap_ShareBasedCompensation	$ 21,495,000us-gaap_ShareBasedCompensation
Net amount received from exercise of stock options granted	5,200,000	5,100,000	12,000,000
Total intrinsic value of stock options exercised	12,800,000	12,400,000	48,600,000
Shares of common stock issued for stock option exercises	696,000	834,000	1,746,000
Number of options exercisable	2,670,000	3,000,000
Fair value of options that became vested during the period	4,400,000	4,800,000	4,800,000
Employee Stock Option [Member]
Compensation costs related to equity incentive plans, weighted average recognition period	1 year 3 months 7 days
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	5,000	0	62,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value	86,000		951,000
Restricted Stock Units (RSUs) [Member]
Compensation costs related to equity incentive plans, weighted average recognition period	1 year 6 months
Share based compensation, vesting percentage	100
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	1,224,000	626,000	193,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value	23,900,000	11,100,000
Shares Paid for Tax Withholding for Share Based Compensation	200,000	200,000
Employee Service Share-based Compensation, Cash Flow Effect, Cash Used to Settle Awards	4,600,000	3,900,000
Cash received from cash settled shares	100,000	200,000
Share based compensation, vesting percentage	100
Aggregate Intrinsic value, Vested	93,900,000
Market Stock Unit (MSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Compensation costs related to equity incentive plans, weighted average recognition period	2 years 6 months 4 days
Intrinsic value of awards outstanding	1,200,000
RSAs RSUs and MSUs [Member]
Stock compensation expense	34,000,000	18,600,000	16,300,000
Options RSUs and MSUs [Member]
Compensation costs related to equity incentive plans not yet recognized	$ 40,700,000
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Maximum [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Share based compensation, period from grant date options are exercisable	10 years
Maximum [Member] \| Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Maximum [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	0 years
Minimum [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	0 years
Minimum [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Weighted Average Estimated Fair Value Using Black Scholes Option Valuation Model [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 7.26	$ 10.45	$ 20.43

Cash received from cash settled shares

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value

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No definition available.

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Share based compensation shares available for grant reduction ratio

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Share Based Compensation, Vesting Percentage - RSUs

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Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals.

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No definition available.

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Aggregate cash paid by the entity during the period to settle equity instruments granted under equity-based payment arrangements.

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-Name Accounting Standards Codification

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options.

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No definition available.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

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Number of share options (or share units) exercised during the current period.

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Value of stock issued as a result of the exercise of stock options, after deduction of related income tax (expense) benefit.

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No definition available.

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