INTANGIBLE ASSETS (Schedule of Identifiable Acquisition Related Intangible Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2019	Jun. 30, 2018
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount, Finite-Lived Intangible Assets	$ 1,601.0	$ 1,599.7
Accumulated Amortization	(500.2)	(406.2)
Total Net	1,100.8	1,193.5
Intangible Assets, Gross (Excluding Goodwill)	1,619.0	1,618.3
Intangible Assets, Net	1,118.8	1,212.1
Certifications [Member]
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount, Indefinite-Lived Intangibles	3.5	3.5
Intangible Assets, Net	3.5	3.5
Indefinite-Lived Underlying Rights [Member]
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount, Indefinite-Lived Intangibles	14.5	15.1
Intangible Assets, Net	14.5	15.1
Customer Relationships [Member]
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount, Finite-Lived Intangible Assets	1,597.6	1,597.0
Accumulated Amortization	(498.7)	(405.6)
Total Net	1,098.9	1,191.4
Finite-Lived Underlying Rights [Member]
Schedule Of Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount, Finite-Lived Intangible Assets	3.4	2.7
Accumulated Amortization	(1.5)	(0.6)
Total Net	$ 1.9	$ 2.1