Commitments and Contingencies (Details) - USD ($) $ in Millions	Feb. 23, 2025	May 26, 2024
Workers Compensation and General Liabilities Accrued
Loss Contingencies [Line Items]
Standby letters of credit	$ 80.0	$ 79.5
Surety Bonds and Other Payments
Loss Contingencies [Line Items]
Standby letters of credit	16.5	16.8
Property Lease Guarantee
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss	77.0	71.0
Fair value of potential payments discounted at pre-tax cost of capital related to guarantee obligations	$ 61.5	57.7
Loss contingency accrual		$ 10.6