Discontinued Operations - Details of Income from Discontinued Operations, Net of Tax (Details) - Vestis - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 30, 2023	Jun. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	$ 696,159	$ 2,069,366
Cost of services provided (exclusive of depreciation and amortization)	560,162	1,688,450
Depreciation and amortization	34,205	101,712
Selling and general corporate expenses	30,922	103,747
Costs and Expenses	625,289	1,893,909
Operating income	70,870	175,457
Interest Expense, net	512	1,323
Income from Discontinued Operations Before Income Taxes	70,358	174,134
Provision for Income Taxes from Discontinued Operations	18,480	44,811
Income from Discontinued Operations, net of tax	$ 51,878	$ 129,323

Disposal Group, Including Discontinued Operation, Costs of Expenses

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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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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