CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 115,350	$ 100,742	$ 285,267	$ 276,968
Other comprehensive income (loss):
Foreign currency translation adjustment	(3,500)	4,025	(1,255)	3,659
Change in fair value of interest rate swap agreements, net of tax	7,373	(10,001)	(6,417)	4,012
Total other comprehensive income (loss), net of tax	3,873	(5,976)	(7,672)	7,671
Comprehensive income	$ 119,223	$ 94,766	$ 277,595	$ 284,639