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Summary of Significant Accounting Policies - Schedule of Unrealized Loss Recognized in AOCI (Details) - USD ($) $ in Millions | 12 Months Ended
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Sep. 28, 2019 | Sep. 29, 2018 | Sep. 30, 2017
Derivative [Line Items] |  |  |
(Loss) gain recognized in other comprehensive (loss) income, net | $ (4.5) | $ (5.7) | $ 0.8
Interest rate caps - derivative |  |  |
Derivative [Line Items] |  |  |
(Loss) gain recognized in other comprehensive (loss) income, net | (8.0) | (5.7) | 0.8
Interest Rate Swap [Member] |  |  |
Derivative [Line Items] |  |  |
(Loss) gain recognized in other comprehensive (loss) income, net | $ 3.5 | $ 0.0 | $ 0.0

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