Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Long-term Debt Current and Noncurrent
Long-term Debt, Including Current Maturities	$ 598,780	$ 598,544
Debt Issuance Costs, Net	(3,608)	(4,180)
Long-term Debt, Current Maturities [Abstract]
Long-term Debt, Less Current Maturities	595,172	594,364
2.650% Senior Notes due 2020 [Member]
Long-term Debt Current and Noncurrent
Long-term Debt	299,860	299,842
4.625% Senior Unsecured Notes Due in 2028
Long-term Debt Current and Noncurrent
Long-term Debt	298,920	298,702
Long-term Debt, Current Maturities [Abstract]
Debt Instrument, Unamortized Discount	1,100	$ 1,300
Two Point Eight Percent Senior Unsecured Notes Due In Two Thousand And Thirty One
Long-term Debt, Current Maturities [Abstract]
Debt Instrument, Unamortized Discount	$ 100