TRADE RECEIVABLES - FACTORING (Details) - Factored Receivable - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade receivables, factored	$ 300.1	$ 344.9
Trade receivables, factoring fees	0.6	0.7	$ 0.8
Trade Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade receivables, factored, amounts due from factors	$ 9.9	$ 16.8