Goodwill and Other Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013
Other intangible assets
Amortized intangible assets, carrying amount	$ 390.7	$ 328.9
Amortized intangible assets, accumulated amortization	185.6	159.8
Amortized intangible assets, net	205.1	169.1
Intangible assets not subject to amortization	43.7	43.7
Total other intangible assets, carrying amount	434.4	372.6
Total other intangible assets, net	248.8	212.8
Goodwill and Other Intangible Assets (Textual) [Abstract]
Estimated amortization expense in 2014	30.9
Estimated amortization expense in 2015	31.7
Estimated amortization expense in 2016	30.1
Estimated amortization expense in 2017	26.8
Estimated amortization expense in 2018	19.0
Computer software products [Member]
Other intangible assets
Amortized intangible assets, carrying amount	162.5	146.9
Amortized intangible assets, accumulated amortization	80.7	73.1
Amortized intangible assets, net	81.8	73.8
Customer relationships [Member]
Other intangible assets
Amortized intangible assets, carrying amount	92.4	77.4
Amortized intangible assets, accumulated amortization	44.7	37.1
Amortized intangible assets, net	47.7	40.3
Technology [Member]
Other intangible assets
Amortized intangible assets, carrying amount	85.0	66.1
Amortized intangible assets, accumulated amortization	37.0	30.9
Amortized intangible assets, net	48.0	35.2
Trademarks [Member]
Other intangible assets
Amortized intangible assets, carrying amount	34.7	26.4
Amortized intangible assets, accumulated amortization	13.7	10.7
Amortized intangible assets, net	21.0	15.7
Other [Member]
Other intangible assets
Amortized intangible assets, carrying amount	16.1	12.1
Amortized intangible assets, accumulated amortization	9.5	8.0
Amortized intangible assets, net	$ 6.6	$ 4.1