Derivatives - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Sep. 28, 2019
Derivative [Line Items]
Interest Rate Cap Agreements Aggregate Premium Payable	$ 1.5		$ 3.7
Borrowed principal	1,000.0
Loss reclassified from accumulated other comprehensive loss to the statement of income	(1.3)	$ (0.7)
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	(1.5)
Interest Rate Cash Flow Hedge Asset at Fair Value	0.0		$ 0.1
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	0.0	(1.7)
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax	1.5	$ 3.4
Notional Amount	77.0
Interest Rate Swap
Derivative [Line Items]
Derivative notional amount	$ 1,000.0
Variable interest rate	1.23%
Interest rate swap at fair value	$ 10.4
Foreign Exchange Option
Derivative [Line Items]
Derivative notional amount	124.2
Net unrealized loss	$ 1.5