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Identifiable Intangible Assets Schedule of Intangible Assets and Goodwill (Details) - USD ($) $ in Millions | Sep. 30, 2015 | Sep. 30, 2014
--- | --- | ---
Indefinite-lived intangible assets: |  |
Goodwill | $ 5.4 | $ 5.4
Intangible Assets, Gross (Excluding Goodwill) | 785.5 | 786.0
Accumulated amortization: |  |
Accumulated Amortization | 289.1 | 261.3
Total intangible assets net book value | 507.3 | 533.6
Business Combination-Related Identifiable Intangible [Member] |  |
Accumulated amortization: |  |
Net book value | 496.4 | 524.7
Trademarks and Trade Names [Member] |  |
Indefinite-lived intangible assets: |  |
Trade names and trademarks | 299.6 | 300.0
Software and Software Development Costs [Member] |  |
Capitalized external-use software: |  |
Capitalized Computer Software, Gross | 17.9 | 14.3
Accumulated amortization | 7.0 | 5.4
Net book value | 10.9 | 8.9
Technology-Based Intangible Assets [Member] |  |
Finite-lived intangible assets: |  |
Technology | 80.3 | 80.4
Accumulated amortization: |  |
Accumulated Amortization | 74.2 | 68.1
Customer Relationships [Member] |  |
Finite-lived intangible assets: |  |
Customer relationships and other | 400.2 | 400.2
Accumulated amortization: |  |
Accumulated Amortization | $ 214.9 | $ 193.2

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- Definition Gross carrying amount before accumulated amortization as of the balance sheet date to an asset acquired in a business combination representing a favorable existing relationship with customers having a finite beneficial 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=26713463&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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