Common Stock and Stock Plans (Details 5)	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

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.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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Period Type:	instant