LEASE COMMITMENTS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Operating Leased Assets [Line Items]
Operating leases, rent expense	$ 42.9	$ 20.5	$ 103.6	$ 60.2
Minimum
Operating Leased Assets [Line Items]
Operating leases, renewal term (in years)			2 years
Maximum
Operating Leased Assets [Line Items]
Operating leases, renewal term (in years)			5 years