Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

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LONG-TERM DEBT / INTEREST EXPENSE - Interest Rate Swaps (Details)	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Jun. 13, 2018 USD ($) interest_rate_swap
Debt Instrument
Notional amount				$ 500,000,000
Interest rate swaps
Debt Instrument
Number of interest rate swaps \| interest_rate_swap					2
Interest Rate Swap One
Debt Instrument
Notional amount				275,000,000	$ 275,000,000
Floor interest rate (percentage)					0.00%
Interest Rate Swap Two
Debt Instrument
Notional amount				$ 225,000,000	$ 225,000,000
Floor interest rate (percentage)					0.75%
Forecast \| Interest Rate Swap Two
Debt Instrument
Notional amount	$ 75,000,000	$ 125,000,000	$ 175,000,000