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Fair Value Measurements - Financial Assets Measured at Fair Value on Recurring Basis - Additional Information (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2022
Cash
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash deposits	$ 113.2	$ 113.9

X

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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