TRADE RECEIVABLES - FACTORING (Details) € in Millions	12 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Sep. 30, 2019 EUR (€)	Mar. 19, 2019 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables Purchase Agreement, aggregate facility limit					$ 150,000,000.0
Receivables Purchase Agreement, recourse obligation retained, percentage (up to)					10.00%
Receivables Purchase Agreement, facility limit | €				€ 93.0
Factored Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade receivables, utilized	$ 133,600,000	$ 123,100,000
Trade receivables, factored	793,800,000	839,800,000
Trade receivables, factoring fees	1,200,000	1,800,000	$ 2,400,000
Factored Receivable | Trade Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade receivables, factored, amounts due from factors	$ 6,300,000	$ 6,200,000