v2.4.0.6

Other Intangible Assets Net - Other Intangible Assets Net (Detail) (USD $) In Millions, unless otherwise specified	Oct. 26, 2012	Apr. 27, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 348.8	$ 358.4
Accumulated Amortization	(155.7)	(122.4)
Other Intangible Assets, Net	193.1	236.0
Developed Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	282.1	282.1
Accumulated Amortization	(106.9)	(79.0)
Other Intangible Assets, Net	175.2	203.1
Customer Contracts/Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	54.6	59.4
Accumulated Amortization	(40.5)	(32.7)
Other Intangible Assets, Net	14.1	26.7
Trademarks And Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	9.9	14.7
Accumulated Amortization	(6.9)	(9.7)
Other Intangible Assets, Net	3.0	5.0
Covenants Not To Compete
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2.2	2.2
Accumulated Amortization	(1.4)	(1.0)
Other Intangible Assets, Net	$ 0.8	$ 1.2

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275



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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275



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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-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.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275



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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-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.

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