Derivative Financial Instruments - Fair Values of Derivative Instruments (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 27, 2019	Dec. 28, 2018
Derivatives, Fair Value [Line Items]
Foreign currency forward contracts, assets	$ 1.7	$ 1.6
Interest rate swaps, asset	0.0	0.0
Total	1.7	1.6
Foreign currency forward contracts, liability	0.7	0.8
Interest rate swaps, liability	30.3	7.6
Total	31.0	8.4
Fair value of hedges recognized as a net gain in AOCI that will be transferred to earnings during the next 12 months	1.0
Interest rate cash flow hedge gain (loss) to be reclassified during next 10 years	$ 31.0
Reclassification period	9 years
Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Foreign currency forward contracts, assets	$ 1.7	1.6
Interest rate swaps, asset	0.0	0.0
Total	1.7	1.6
Accounts payable and accrued expenses
Derivatives, Fair Value [Line Items]
Foreign currency forward contracts, liability	0.7	0.8
Interest rate swaps, liability	0.0	0.0
Total	0.7	0.8
Other non-current liabilities
Derivatives, Fair Value [Line Items]
Foreign currency forward contracts, liability	0.0	0.0
Interest rate swaps, liability	30.3	7.6
Total	$ 30.3	$ 7.6