Common Stock and Stock Plans (Details 4) (USD $)	12 Months Ended	185 Months Ended
Mar. 30, 2012	Apr. 01, 2011	Apr. 02, 2010	Mar. 30, 2012
Summary of the Company's restricted stock unit activity
Restricted stock units outstanding, shares beginning balance	1,549,463	1,389,615	814,211
Restricted stock units awarded, shares	684,692	630,056	831,250	3,053,239
Restricted stock units forfeited, shares	(36,474)	(37,035)	(21,807)
Restricted stock units released, shares	(472,311)	(433,173)	(234,039)
Restricted stock units outstanding, shares ending balance	1,725,370	1,549,463	1,389,615	1,725,370
Restricted stock units vested and deferred, shares	69,601			69,601
Restricted stock units outstanding, Weighted Average Grant Date Fair Value per Share, beginning balance	$ 32.41
Restricted stock units awarded, Weighted Average Grant Date Fair Value per Share	$ 44.28	$ 41.48	$ 29.19
Restricted stock units forfeited, Weighted Average Grant Date Fair Value per Share	$ 33.07			$ 33.07
Restricted stock units released, Weighted Average Grant Date Fair Value per Share	$ 44.11
Restricted stock units outstanding, Weighted Average Grant Date Fair Value per Share, ending balance	$ 37.57	$ 32.41		$ 37.57
Restricted stock units vested and deferred, Weighted Average Grant Date Fair Value	$ 26.71

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

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- Definition

The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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

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-Paragraph A240

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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-Publisher FASB

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-Name Accounting Standards Codification

-Topic 718

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-Paragraph 2

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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-Paragraph A240

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-Topic 718

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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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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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The number of equity-based payment instruments, excluding stock (or unit) options, which are vested and deferred as of the balance sheet date.

+ References

No definition available.

+ Details

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Share based compensation arrangement by share based payment award equity instruments other than options vested and deferred weighted average grant date fair value.

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No definition available.

+ Details

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