Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill Intangible Assets (Details)

v3.7.0.1
Intangible Assets and Goodwill Intangible Assets (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2017
Jun. 30, 2016
Sep. 30, 2016
Acquired Finite-Lived Intangible Assets [Line Items]        
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)     $ 2.2  
Finite-Lived Intangible Assets, Gross $ 575.2 $ 575.2   $ 585.4
Accumulated amortization on intangible assets (187.0) (187.0)   (174.2)
Indefinite and Finite Lived Intangible Assets, Gross 703.2     715.7
Trade Names [Member]        
Acquired Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Gross 0.2 0.2   0.2
Accumulated amortization on intangible assets (0.1) (0.1)   (0.1)
Customer Relationships [Member]        
Acquired Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Gross 450.9 450.9   459.5
Accumulated amortization on intangible assets (110.4) (110.4)   (100.7)
Technology-Based Intangible Assets [Member]        
Acquired Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Gross 75.9 75.9   77.9
Accumulated amortization on intangible assets (35.5) (35.5)   (33.3)
Computer Software, Intangible Asset [Member]        
Acquired Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Gross 47.8 47.8   47.4
Accumulated amortization on intangible assets (40.7) (40.7)   (39.8)
Other Intangible Assets [Member]        
Acquired Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Gross 0.4 0.4   0.4
Accumulated amortization on intangible assets (0.3) (0.3)   (0.3)
Trade Names [Member]        
Acquired Finite-Lived Intangible Assets [Line Items]        
Indefinite-Lived Intangible Assets (Excluding Goodwill) 128.0 $ 128.0   $ 130.3
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   21 years    
Customer Concentration Risk [Member] | Trade Names [Member]        
Acquired Finite-Lived Intangible Assets [Line Items]        
Indefinite-Lived Intangible Assets (Excluding Goodwill) $ 13.0 $ 13.0