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Severance - Schedule of Restructuring and Related Costs (Details) - Cost of services provided (exclusive of depreciation and amortization) / Selling and general corporate expenses $ in Millions | 9 Months Ended
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Jun. 30, 2023 USD ($)
Restructuring Cost and Reserve [Line Items] |
Severance costs | $ 36.3
Corporate |
Restructuring Cost and Reserve [Line Items] |
Severance costs | 0.6
FSS United States |
Restructuring Cost and Reserve [Line Items] |
Severance costs | 3.3
FSS International |
Restructuring Cost and Reserve [Line Items] |
Severance costs | 25.8
Uniform |
Restructuring Cost and Reserve [Line Items] |
Severance costs | $ 6.6

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