DEBT - Leverage Ratio (Details)	3 Months Ended
	Sep. 30, 2018
Pricing Tier One | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	2.00%
Pricing Tier One | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.00%
Pricing Tier Two | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.75%
Pricing Tier Two | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.75%
Pricing Tier Three | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.50%
Pricing Tier Three | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.50%
Pricing Tier Four | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.25%
Pricing Tier Four | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.25%
Pricing Tier Five | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.125%
Pricing Tier Five | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.125%
Pricing Tier Six | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.00%
Pricing Tier Six | Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.00%