Investments - Securities Available for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,415,533	$ 1,907,255
Gross Unrealized Gains	776	207
Gross Unrealized Losses	(6,737)	(8,229)
Allowance for Credit Losses	(479)	(21)
Fair value	1,409,093	1,899,212
Certificates of deposit
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	145,813	317,331
Gross Unrealized Gains	21	6
Gross Unrealized Losses	(306)	(921)
Allowance for Credit Losses	0	0
Fair value	145,528	316,416
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	296,186	371,907
Gross Unrealized Gains	225	7
Gross Unrealized Losses	(3,685)	(3,243)
Allowance for Credit Losses	0	0
Fair value	292,726	368,671
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	343,077	708,694
Gross Unrealized Gains	62	16
Gross Unrealized Losses	(109)	(1,145)
Allowance for Credit Losses	0	0
Fair value	343,030	707,565
Government bonds, Non-US
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	6,258	18,196
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(150)	(241)
Allowance for Credit Losses	0	0
Fair value	6,108	17,955
Government bonds, US
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	561,761	438,947
Gross Unrealized Gains	366	0
Gross Unrealized Losses	(1,871)	(2,020)
Allowance for Credit Losses	0	0
Fair value	560,256	436,927
Securitization notes receivable and certificates
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	26,330	52,180
Gross Unrealized Gains	0	178
Gross Unrealized Losses	(616)	(659)
Allowance for Credit Losses	(479)	(21)
Fair value	25,235	51,678
Certificates Of Deposit, Corporate Bonds, Non-US Government Bonds And Commercial Paper \| Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Fair value	350,100	$ 303,800
Agency bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	35,092
Gross Unrealized Gains	102
Gross Unrealized Losses	0
Allowance for Credit Losses	0
Fair value	35,194
Other
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,016
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Allowance for Credit Losses	0
Fair value	$ 1,016

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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
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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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-Publisher FASB
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