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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parentheticals) - USD ($)
$ in Thousands
Sep. 30, 2022
Sep. 30, 2021
Current assets:    
Cash and cash equivalents $ 378,996 $ 280,543
Restricted cash (included in other current assets) 6,836 4,295
Total cash, cash equivalents and restricted cash 385,832 $ 284,838
Pledged as Collateral    
Current assets:    
Restricted cash (included in other current assets) $ 6,800