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Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Long-term Debt Current and Noncurrent
Long-term Debt, Including Current Maturities	$ 598,544	$ 598,306
Debt Issuance Costs, Net	(4,180)	(6,198)
Long-term Debt, Current Maturities [Abstract]
Long-term Debt, Less Current Maturities	594,364	592,108
2.650% Senior Notes due 2020 [Member]
Long-term Debt Current and Noncurrent
Long-term Debt	299,842	299,823
4.625% Senior Unsecured Notes Due in 2028
Long-term Debt Current and Noncurrent
Long-term Debt	298,702	298,483
Long-term Debt, Current Maturities [Abstract]
Debt Instrument, Unamortized Discount	1,300	$ 1,500
Two Point Eight Percent Senior Unsecured Notes Due In Two Thousand And Thirty One
Long-term Debt, Current Maturities [Abstract]
Debt Instrument, Unamortized Discount	$ 200

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Amount, after accumulated amortization, of debt discount.

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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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