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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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