Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at the beginning of period	$ 1,301,070	$ 1,310,421	$ 1,391,530
Reclassification adjustment for gain on available-for-sale marketable securities	0	(126)	0
Accumulated other comprehensive income reclassifications for realized loss on foreign currency translation adjustments	349	0	(293,360)
Reclassification from other comprehensive income	6,695	0	0
Balance at the end of period	1,505,067	1,301,070	1,310,421
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at the beginning of period	(7,365)	(9,055)	(137,290)
Reclassification adjustment for gain on available-for-sale marketable securities		(126)
Accumulated other comprehensive income reclassifications for realized loss on foreign currency translation adjustments	349		(293,360)
Reclassification from other comprehensive income	6,695
Balance at the end of period	(960)	(7,365)	(9,055)
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at the beginning of period	(670)	(1,383)	(137,389)
Other comprehensive income (loss) - Gross	59	713	(157,354)
Accumulated other comprehensive income reclassifications for realized loss on foreign currency translation adjustments	(349)		293,360
Balance at the end of period	(960)	(670)	(1,383)
Available-for-sale marketable securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at the beginning of period - Gross		242	131
Balance at the beginning of period - Tax		59	32
Balance at the beginning of period		183	99
Other comprehensive income (loss) - Gross		(75)	111
Other comprehensive income (loss) - Tax		18	(27)
Reclassification adjustment for gain on available-for-sale marketable securities		(126)
Balance at the end of period			183
Interest Rate Swap.
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at the beginning of period - Gross	(8,926)	(10,399)
Balance at the beginning of period - Tax	(2,231)	(2,544)
Balance at the beginning of period	(6,695)	(7,855)
Other comprehensive income (loss) - Gross		1,473	(10,399)
Other comprehensive income (loss) - Tax		(313)	2,544
Reclassification from other comprehensive income	$ 6,695
Balance at the end of period		$ (6,695)	$ (7,855)