LONG-TERM DEBT (Redemption Rights) (Details) - Unsecured Notes [Member]	12 Months Ended
	Jun. 30, 2019
6.00% Senior Notes due 2023 [Member] | Debt Instrument Redemption, Period One [Member]
Debt Instrument [Line Items]
Redemption price	103.00%
6.00% Senior Notes due 2023 [Member] | Debt Instrument Redemption, Period Two [Member]
Debt Instrument [Line Items]
Redemption price	101.50%
6.00% Senior Notes due 2023 [Member] | Debt Instrument Redemption Period Three And Thereafter [Member]
Debt Instrument [Line Items]
Redemption price	100.00%
6.375% Senior Notes due 2025 [Member] | Debt Instrument Redemption, Period One [Member]
Debt Instrument [Line Items]
Redemption price	103.188%
6.375% Senior Notes due 2025 [Member] | Debt Instrument Redemption, Period Two [Member]
Debt Instrument [Line Items]
Redemption price	102.125%
6.375% Senior Notes due 2025 [Member] | Debt Instrument Redemption Period Three [Member]
Debt Instrument [Line Items]
Redemption price	101.063%
6.375% Senior Notes due 2025 [Member] | Debt Instrument Redemption Period Four And Thereafter [Member]
Debt Instrument [Line Items]
Redemption price	100.00%
5.75% Senior Notes due 2027 [Member] | Debt Instrument Redemption, Period One [Member]
Debt Instrument [Line Items]
Redemption price	102.875%
5.75% Senior Notes due 2027 [Member] | Debt Instrument Redemption, Period Two [Member]
Debt Instrument [Line Items]
Redemption price	101.917%
5.75% Senior Notes due 2027 [Member] | Debt Instrument Redemption Period Three [Member]
Debt Instrument [Line Items]
Redemption price	100.958%
5.75% Senior Notes due 2027 [Member] | Debt Instrument Redemption Period Four And Thereafter [Member]
Debt Instrument [Line Items]
Redemption price	100.00%