Face (par) amount of debt instrument at time of issuance.

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- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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- Definition

This is the principal amount outstanding for securitized loans only (across all types of loans).

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- Definition

Amount of cash outflow for the payment of debt classified as other, maturing after one year or the operating cycle, if longer.

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Debt Textuals (Details) - USD ($)	12 Months Ended
Debt Textuals (Details) - USD ($)	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 780,000,000
Line of credit facility unsecured borrowings amount	250,000,000
Letters of Credit Outstanding, Amount	4,475,000	$ 2,698,000
Debt Instrument, Fee Amount	0.0090
Repayments of Other Long-term Debt	49,553,000	161,738,000	$ 125,420,000
Long-term Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	780,000,000
Long-term Debt	$ 589,250,000	$ 613,625,000
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	1.94%	4.19%
Asset-backed Securities, Securitized Loans and Receivables [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	1.07%	3.33%
Principal Amount Outstanding on Loans Securitized or Asset-backed Financing Arrangement	$ 175,000,000	$ 175,000,000
Prudential Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	170,000,000
Prudential Facility - Series C [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	120,000,000
Long-term Debt	120,000,000	$ 120,000,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		3.19%
Repayments of Other Long-term Debt	40,000,000
Prudential Facility - Series D [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	50,000,000
Long-term Debt	25,000,000	$ 50,000,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		3.21%
Repayments of Other Long-term Debt	25,000,000
Prudential Facility - Series E [Member]
Debt Instrument [Line Items]
Long-term Debt	25,000,000	$ 0
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		3.08%
State of Ohio Assumed Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	2,359,000
Long-term Debt	$ 1,026,000	$ 1,204,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	1.50%
Minimum [Member] \| Prudential Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		0.25%
Maximum [Member] \| Prudential Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		1.25%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility unsecured borrowings amount	$ 250,000,000
Letters of Credit Outstanding, Amount	1,873,000	$ 3,215,000
Line of Credit Facility, Remaining Borrowing Capacity	$ 248,127,000	$ 246,785,000
Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Fees on credit facility	0.10%
Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Fees on credit facility	0.20%