Goodwill and Other Intangible Assets (Details 1) - USD ($) $ in Millions	Jun. 30, 2015	Sep. 30, 2014
Other intangible assets
Amortized intangible assets, carrying amount	$ 404.7	$ 392.1
Amortized intangible assets, accumulated amortization	207.2	189.6
Amortized intangible assets, net	197.5	202.5
Intangible assets not subject to amortization	43.7	43.7
Total other intangible assets, carrying amount	448.4	435.8
Total other intangible assets, net	241.2	246.2
Goodwill and Other Intangible Assets (Textual) [Abstract]
Estimated amortization expense in 2015	29.7
Estimated amortization expense in 2016	30.9
Estimated amortization expense in 2017	26.9
Estimated amortization expense in 2018	20.9
Estimated amortization expense in 2019	17.6
Computer software products [Member]
Other intangible assets
Amortized intangible assets, carrying amount	182.4	169.1
Amortized intangible assets, accumulated amortization	88.7	82.5
Amortized intangible assets, net	93.7	86.6
Customer relationships [Member]
Other intangible assets
Amortized intangible assets, carrying amount	89.9	89.8
Amortized intangible assets, accumulated amortization	49.7	45.4
Amortized intangible assets, net	40.2	44.4
Technology [Member]
Other intangible assets
Amortized intangible assets, carrying amount	84.3	84.0
Amortized intangible assets, accumulated amortization	43.0	38.2
Amortized intangible assets, net	41.3	45.8
Trademarks [Member]
Other intangible assets
Amortized intangible assets, carrying amount	33.1	33.7
Amortized intangible assets, accumulated amortization	16.0	14.0
Amortized intangible assets, net	17.1	19.7
Other [Member]
Other intangible assets
Amortized intangible assets, carrying amount	15.0	15.5
Amortized intangible assets, accumulated amortization	9.8	9.5
Amortized intangible assets, net	$ 5.2	$ 6.0