Statements of Consolidated Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income per the statements of consolidated income	$ 346,739	$ 257,414	$ 144,757
Other comprehensive income, before tax:
Foreign currency translation adjustments	7,723	(9,862)	24,352
Post-employment benefits:
Actuarial gain on re-measurement	405	2,839	903
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax	1,031	0	0
Reclassification of net actuarial losses and prior service cost into other expense (income), net and included in net periodic pension costs	36	300	270
Unrealized gain on cash flow hedge	18,174	26,204	3,250
Reclassification of interest from cash flow hedge into interest expense	(7,285)	11,361	11,553
Total other comprehensive income, before tax	20,084	30,842	40,328
Income tax expense related to items of other comprehensive income	3,085	10,045	3,990
Other comprehensive income, net of tax	16,999	20,797	36,338
Comprehensive income	$ 363,738	$ 278,211	$ 181,095