PROPERTY AND EQUIPMENT (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
PROPERTY AND EQUIPMENT
Depreciation expense	$ 650.2	$ 526.9	$ 440.5
Capitalized interest	20.6	18.8	13.8
Capitalized labor costs included in fixed assets	$ 89.2	$ 79.9	$ 64.5