Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 39,973	$ 34,370	$ 77,565	$ 65,025
Defined Benefit Pension and Postretirement Benefit Plans:
Amortization of loss, before tax	171	100	340	200
Amortization of prior service credit, before tax	(46)	(46)	(91)	(91)
Total Other Comprehensive Income, Before Tax	125	54	249	109
Tax Attributes of Items in Other Comprehensive Income:
Amortization of loss, tax	(40)	(24)	(80)	(47)
Amortization of prior service credit, tax	10	11	21	21
Total Tax Expense	(30)	(13)	(59)	(26)
Other Comprehensive Income, Net of Tax	95	41	190	83
Comprehensive Income	$ 40,068	$ 34,411	$ 77,755	$ 65,108