Leases - Supplemental Cash Flow and Balance Sheet Information Related to Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Cash paid for amounts included in measurement of lease liabilities:
Operating cash flows related to operating leases	$ 119.3
Operating cash flows related to finance leases	1.0
Financing cash flows related to finance leases	13.7	$ 15.9	$ 16.9
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	204.7
Finance leases	11.6
Operating Leases
Operating lease right-of-use assets	811.1
Accumulated amortization	(75.2)
Operating lease right-of-use assets, net	735.9
Other accrued expenses	68.6
Operating lease liabilities	709.5
Total operating lease liabilities	778.1
Finance Leases
Property and equipment, gross	127.4
Accumulated depreciation	(90.9)
Property and equipment, net	36.5
Other accrued expenses	12.4
Other liabilities	12.6
Total finance lease liabilities	$ 25.0
Weighted Average Remaining Lease Term (Years)
Operating leases	11 years 9 months 22 days
Finance leases	1 year 6 months 29 days
Weighted Average Discount Rate
Operating leases	5.70%
Finance leases	4.60%