Consolidated Statements Of Cash Flows Cash Flow Additional Information - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]
Restricted Cash and Cash Equivalents	$ 130	$ 7,900
Cash, cash equivalents and restricted cash at September 30	$ 2,208,516	$ 1,009,076