Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets Intangible Assets (Details)

v3.5.0.2
Goodwill and Intangible Assets Intangible Assets (Details) - USD ($)
$ in Millions
9 Months Ended
Jun. 30, 2016
Sep. 30, 2015
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 584.6 $ 480.2
Finite-Lived Intangible Assets, Accumulated Amortization 166.3 144.8
Indefinite and Finite Lived Intangible Assets, Gross 714.7 604.4
Trade Names [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 0.2 0.2
Finite-Lived Intangible Assets, Accumulated Amortization 0.1 0.1
Customer Relationships [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 459.7 374.0
Finite-Lived Intangible Assets, Accumulated Amortization 94.6 78.7
Technology-Based Intangible Assets [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 78.5 62.3
Finite-Lived Intangible Assets, Accumulated Amortization 32.0 28.0
Computer Software, Intangible Asset [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 45.8 43.3
Finite-Lived Intangible Assets, Accumulated Amortization 39.3 37.7
Other Intangible Assets [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 0.4 0.4
Finite-Lived Intangible Assets, Accumulated Amortization 0.3 0.3
Trade Names [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Indefinite-Lived Intangible Assets (Excluding Goodwill) $ 130.1 $ 124.2
Minimum    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Asset, Useful Life 3 years  
Maximum    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Asset, Useful Life 22 years