Condensed Statements of Consolidated Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Net income per the condensed statements of consolidated income	$ 97,217	$ 97,187	$ 282,271	$ 254,524
Other comprehensive income, before tax:
Foreign currency translation adjustments	(5,112)	5,763	(1,685)	255
Post-employment benefits:
Reclassification of net actuarial losses and prior service cost into other (income) expense, net and included in net periodic pension costs	(30)	9	(90)	27
Termination of pension plan	0	0	0	1,031
Unrealized gain (loss) on cash flow hedge	5,105	(2,309)	4,203	10,549
Reclassification of interest from cash flow hedge into interest expense, net	(4,671)	(3,036)	(14,024)	(2,955)
Total other comprehensive (loss) income, before tax	(4,708)	427	(11,596)	8,907
Income tax expense (benefit) related to items of other comprehensive income	135	(1,315)	(2,403)	2,256
Other comprehensive (loss) income, net of tax	(4,843)	1,742	(9,193)	6,651
Comprehensive income, net of tax	$ 92,374	$ 98,929	$ 273,078	$ 261,175