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Revenue Recognition - Contracted Balances (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 27, 2024 | Sep. 29, 2023 | Sep. 30, 2022
Cost of services provided, employee sales commissions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Capitalized contract cost, amortization | $ 9.9 | $ 8.5 | $ 7.0
Depreciation and amortization |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Capitalized contract cost, amortization | 16.7 | 17.7 | 19.5
Depreciation and amortization | Leasehold improvements |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Capitalized contract cost, amortization | 131.0 | 129.8 | 123.9
Cost of services provided, long-term prepaid rent |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Capitalized contract cost, amortization | $ 52.2 | $ 47.5 | $ 34.8

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