Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net Income	$ 43,951	$ 37,592
Defined Benefit Pension and Postretirement Benefit Plans:
Amortization of loss, before tax	144	169
Amortization of prior service credit, before tax	(45)	(45)
Total Other Comprehensive Income, Before Tax	99	124
Tax Attributes of Items in Other Comprehensive Income:
Amortization of loss, tax	(34)	(40)
Amortization of prior service credit, tax	11	11
Total Tax Expense	(23)	(29)
Other Comprehensive Income, Net of Tax	76	95
Comprehensive Income	$ 44,027	$ 37,687