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Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Millions	Jul. 01, 2017	Sep. 24, 2016	Jun. 25, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 5,482.8	$ 5,324.9
Accumulated Amortization	2,647.0	2,681.5
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	4,467.5	3,983.7	$ 6.2
Accumulated Amortization	2,107.5	1,991.6
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	107.0	3.7
Accumulated Amortization	0.0	0.0
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	552.2	1,098.9
Accumulated Amortization	384.2	546.2
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	310.2	236.2
Accumulated Amortization	151.6	141.6
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	1.5	0.0
Accumulated Amortization	0.1	0.0
Distribution agreement
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	42.0	0.0
Accumulated Amortization	1.5	0.0
Business licenses
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	2.4	2.4
Accumulated Amortization	$ 2.1	$ 2.1

X

- Definition

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=66006027&loc=d3e16323-109275

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
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