Marketable Securities & Fair Value Measurements - Available-for-sale Measured at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Marketable Securities [Abstract]
Short-term available-for-sale debt securities	$ 88,375	$ 129,908
Long-term available-for-sale debt securities	4,810	5,748
Recurring
Marketable Securities [Abstract]
Available-for-sale debt securities	93,185	135,656
Total marketable securities	93,409	135,968
Amortized Cost	93,452	135,646
Unrealized Gains	0	23
Unrealized Losses	(267)	(13)
Recurring \| Commercial Paper [Member]
Marketable Securities [Abstract]
Available-for-sale debt securities	36,800	47,361
Total marketable securities	36,800	47,361
Amortized Cost	36,800	47,361
Unrealized Gains	0	0
Unrealized Losses	0	0
Recurring \| US Government Debt Securities [Member]
Marketable Securities [Abstract]
Available-for-sale debt securities	14,927	20,230
Total marketable securities	14,927	20,230
Amortized Cost	14,994	20,229
Unrealized Gains	0	1
Unrealized Losses	(67)	0
Recurring \| Corporate Debt Securities [Member]
Marketable Securities [Abstract]
Available-for-sale debt securities	27,051	57,134
Total marketable securities	27,051	57,134
Amortized Cost	27,193	57,134
Unrealized Gains	0	12
Unrealized Losses	(142)	(12)
Recurring \| Asset-backed Securities [Member]
Marketable Securities [Abstract]
Available-for-sale debt securities	14,407	10,931
Total marketable securities	14,407	10,931
Amortized Cost	14,465	10,922
Unrealized Gains	0	10
Unrealized Losses	(58)	(1)
Recurring \| Equity Funds [Member]
Marketable Securities [Abstract]
Total marketable securities	$ 224	$ 312

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

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