Leases (Supplemental Cash Flow Information) (Details) $ in Millions	6 Months Ended
	Nov. 24, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 182.0
Operating cash flows from finance leases	7.3
Financing cash flows from finance leases	2.5
Right-of-use assets obtained in exchange for lease liabilities
Right-of-use assets obtained in exchange for new operating lease liabilities	106.6
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 139.3
Weighted-Average Remaining Lease Term (Years)
Operating leases (years)	17 years 2 months 12 days
Finance leases (years)	19 years 4 months 24 days
Weighted-Average Discount Rate
Operating leases (percent)	4.20%
Finance leases (percent)	5.00%