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Goodwill and Intangibles, including DAC and VOBA - Summary of Definite Lived Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Dec. 30, 2012 | Sep. 30, 2012
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Cost | $ 1,218.8 | $ 1,038.0
Accumulated Amortization | 184.7 | 164.1
Net | 1,034.1 | 873.9
Customer relationships [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Cost | 875.5 | 796.2
Accumulated Amortization | 127.0 | 113.0
Net | 748.5 | 683.2
Intangible assets, Amortizable Life | 20 years |
Trade names [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Cost | 165.9 | 150.8
Accumulated Amortization | 31.9 | 28.3
Net | 134.0 | 122.5
Technology assets [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Cost | 177.4 | 91.0
Accumulated Amortization | 25.8 | 22.8
Net | $ 151.6 | $ 68.2
Minimum [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Intangible assets, Amortizable Life | 1 year |
Minimum [Member] | Customer relationships [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Intangible assets, Amortizable Life | 15 years |
Minimum [Member] | Trade names [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Intangible assets, Amortizable Life | 1 year |
Minimum [Member] | Technology assets [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Intangible assets, Amortizable Life | 4 years |
Maximum [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Intangible assets, Amortizable Life | 20 years |
Maximum [Member] | Customer relationships [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Intangible assets, Amortizable Life | 20 years |
Maximum [Member] | Trade names [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Intangible assets, Amortizable Life | 12 years |
Maximum [Member] | Technology assets [Member] |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |
Intangible assets, Amortizable Life | 17 years |

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- 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=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. + Details
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- Definition 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 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. + Details
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- Definition 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 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. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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