Investments - Length of Contractual Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Debt Securities, Available-for-sale [Line Items]
Within 1 year, amortized cost	$ 1,178,625	$ 1,604,885
Within 1 year, fair value	1,176,308	1,599,650
Greater than 1 year, less than or equal to 5 years, amortized cost	236,908	302,370
Greater than 1 year, less than or equal to 5 years, fair value	232,785	299,562
Amortized Cost	1,415,533	1,907,255
Total, amortized cost	1,415,533	1,907,255
Fair Value	1,409,093	1,899,212
Certificates of deposit
Debt Securities, Available-for-sale [Line Items]
Within 1 year, amortized cost	145,813	317,331
Within 1 year, fair value	145,528	316,416
Greater than 1 year, less than or equal to 5 years, amortized cost	0	0
Greater than 1 year, less than or equal to 5 years, fair value	0	0
Amortized Cost	145,813	317,331
Fair Value	145,528	316,416
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Within 1 year, amortized cost	161,736	206,208
Within 1 year, fair value	160,486	204,614
Greater than 1 year, less than or equal to 5 years, amortized cost	134,450	165,699
Greater than 1 year, less than or equal to 5 years, fair value	132,240	164,057
Amortized Cost	296,186	371,907
Fair Value	292,726	368,671
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Within 1 year, amortized cost	343,077	708,694
Within 1 year, fair value	343,030	707,565
Greater than 1 year, less than or equal to 5 years, amortized cost	0	0
Greater than 1 year, less than or equal to 5 years, fair value	0	0
Amortized Cost	343,077	708,694
Fair Value	343,030	707,565
Government bonds, Non-US
Debt Securities, Available-for-sale [Line Items]
Within 1 year, amortized cost	4,126	11,895
Within 1 year, fair value	4,019	11,813
Greater than 1 year, less than or equal to 5 years, amortized cost	2,132	6,301
Greater than 1 year, less than or equal to 5 years, fair value	2,089	6,142
Amortized Cost	6,258	18,196
Fair Value	6,108	17,955
Government bonds, US
Debt Securities, Available-for-sale [Line Items]
Within 1 year, amortized cost	491,446	360,757
Within 1 year, fair value	490,718	359,242
Greater than 1 year, less than or equal to 5 years, amortized cost	70,315	78,190
Greater than 1 year, less than or equal to 5 years, fair value	69,538	77,685
Amortized Cost	561,761	438,947
Fair Value	560,256	436,927
Securitization notes receivable and certificates
Debt Securities, Available-for-sale [Line Items]
Within 1 year, amortized cost	0	0
Within 1 year, fair value	0	0
Greater than 1 year, less than or equal to 5 years, amortized cost	26,330	52,180
Greater than 1 year, less than or equal to 5 years, fair value	25,235	51,678
Amortized Cost	26,330	52,180
Total, amortized cost	26,330	52,180
Fair Value	25,235	51,678
Certificates Of Deposit, Corporate Bonds, 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]
Within 1 year, amortized cost	31,411
Within 1 year, fair value	31,511
Greater than 1 year, less than or equal to 5 years, amortized cost	3,681
Greater than 1 year, less than or equal to 5 years, fair value	3,683
Amortized Cost	35,092
Fair Value	35,194
Other
Debt Securities, Available-for-sale [Line Items]
Within 1 year, amortized cost	1,016
Within 1 year, fair value	1,016
Greater than 1 year, less than or equal to 5 years, amortized cost	0
Greater than 1 year, less than or equal to 5 years, fair value	0
Amortized Cost	1,016
Total, amortized cost	1,016
Fair Value	$ 1,016

Debt Securities, Available For Sale, Amortized Cost, Including Credit Loss Allowance

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No definition available.

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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