Income Taxes - Reconciliation of unrecognized tax benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance July 1	$ 90,669	$ 100,759	$ 86,277
Additions for tax positions related to current year	9,389	7,039	10,145
Additions for tax positions of prior years	6,171	1,415	10,320
Additions for acquisitions	25,957		2,376
Reductions for tax positions of prior years	(3,063)	(140)	(1,996)
Reductions for settlements	(6,923)	(3,127)	(7,165)
Reductions for expiration of statute of limitations	(11,199)	(6,647)	(2,252)
Effect of foreign currency translation - increase	2,502		3,054
Effect of foreign currency translation - decrease		(8,630)
Balance June 30	$ 113,503	$ 90,669	$ 100,759