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Balance Sheet Details - Other Current Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Sep. 30, 2022
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Balance Sheet Details [Abstract] |  |
Unbilled receivables | $ 333,816 | $ 319,707
Prepaid expenses | 74,613 | 57,340
Capitalized contract acquisition costs | 33,828 | 34,658
Other1 | 68,022 | 77,609
Other Assets, Current | 510,279 | 489,314
Deposit Assets | $ 47,500 | $ 57,000

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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130533-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045 + Details
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