Goodwill and Other Intangible Assets (Details 1) - USD ($) $ in Millions	Dec. 31, 2015	Sep. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Total, carrying amount	$ 437.5	$ 440.5
Total, net	221.0	229.5
Other intangible assets
Amortized intangible assets, carrying amount	393.8	396.8
Amortized intangible assets, accumulated amortization	216.5	211.0
Amortized intangible assets, net	177.3	185.8
Goodwill and Other Intangible Assets (Textual) [Abstract]
Estimated amortization expense in 2016	29.1
Estimated amortization expense in 2017	25.9
Estimated amortization expense in 2018	19.8
Estimated amortization expense in 2019	17.2
Estimated amortization expense in 2020	14.4
Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets not subject to amortization	43.7	43.7
Computer software products [Member]
Other intangible assets
Amortized intangible assets, carrying amount	182.4	182.4
Amortized intangible assets, accumulated amortization	95.0	91.9
Amortized intangible assets, net	87.4	90.5
Customer relationships [Member]
Other intangible assets
Amortized intangible assets, carrying amount	85.5	87.2
Amortized intangible assets, accumulated amortization	50.7	50.1
Amortized intangible assets, net	34.8	37.1
Technology [Member]
Other intangible assets
Amortized intangible assets, carrying amount	82.8	83.4
Amortized intangible assets, accumulated amortization	45.5	44.1
Amortized intangible assets, net	37.3	39.3
Trademarks [Member]
Other intangible assets
Amortized intangible assets, carrying amount	31.8	32.3
Amortized intangible assets, accumulated amortization	16.7	16.3
Amortized intangible assets, net	15.1	16.0
Other [Member]
Other intangible assets
Amortized intangible assets, carrying amount	11.3	11.5
Amortized intangible assets, accumulated amortization	8.6	8.6
Amortized intangible assets, net	$ 2.7	$ 2.9