INTANGIBLE ASSETS (Schedule of Identifiable Acquisition Related Intangible Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2018	Jun. 30, 2017
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	$ 1,599.7
Accumulated Amortization	(406.2)	$ (309.0)
Total Net	1,193.5
Intangible Assets, Gross (Excluding Goodwill)	1,618.3	1,497.6
Intangible Assets, Net	1,212.1	1,188.6
Certifications [Member]
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount, Indefinite-lived Intangibles	3.5	3.5
Indefinite-Lived Underlying Rights [Member]
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount, Indefinite-lived Intangibles		14.8
Customer relationships [member]
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	1,597.0	1,477.7
Accumulated Amortization	(405.6)	(308.6)
Total Net	1,191.4	1,169.1
Trade names [Member]
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount		1.6
Accumulated Amortization		(0.4)
Total Net		1.2
Finite-Lived Underlying rights [Member]
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	2.7	1,479.3
Accumulated Amortization	(0.6)	(309.0)
Total Net	2.1	$ 1,170.3
Gross Carrying Amount, Indefinite-lived Intangibles	$ 15.1