Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Sep. 30, 2022
Condensed Financial Information Disclosure [Abstract]
Accrued income taxes, current	$ 49,400	$ 48,800
Operating Lease, Liability, Current	28,600	18,500
Contract with Customer, Refund Liability	272,200	226,900
Other miscellaneous current liabilities [Line Items]	49,400	45,000
Other Accrued Liabilities, Current	399,600	339,200
Other Assets, Current	395,800	337,500
Prepaid Expense, Current	268,800	242,300
Other miscellaneous current assets	$ 127,000	$ 95,200