Goodwill and Intangible Assets Schedule of Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Finite-Lived Intangible Assets, Gross	$ 341.9	$ 244.6
Finite-Lived Intangible Assets, Accumulated Amortization	(142.1)	(113.9)
Finite-Lived Intangible Assets, Net	$ 199.8	$ 130.7
Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	12 years 6 months	11 years 7 months 6 days
Finite-Lived Intangible Assets, Gross	$ 271.0	$ 176.1
Finite-Lived Intangible Assets, Accumulated Amortization	(97.2)	(74.5)
Finite-Lived Intangible Assets, Net	$ 173.8	$ 101.6
Technology & Other Intangibles [Member]
Finite-Lived Intangible Asset, Useful Life	8 years	8 years
Finite-Lived Intangible Assets, Gross	$ 39.5	$ 39.5
Finite-Lived Intangible Assets, Accumulated Amortization	(34.9)	(31.4)
Finite-Lived Intangible Assets, Net	$ 4.6	$ 8.1
Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	5 years 4 months 24 days	6 years 7 months 6 days
Finite-Lived Intangible Assets, Gross	$ 9.2	$ 6.9
Finite-Lived Intangible Assets, Accumulated Amortization	(4.1)	(2.4)
Finite-Lived Intangible Assets, Net	5.1	4.5
Trade Names [Member]
Finite-Lived Intangible Assets, Gross	22.2	22.1
Finite-Lived Intangible Assets, Accumulated Amortization	(5.9)	(5.6)
Finite-Lived Intangible Assets, Net	$ 16.3	$ 16.5