LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	May 29, 2022	May 30, 2021	May 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Cash used for operating activities	$ 29.1	$ 30.9	$ 26.8
Cash paid for amounts included in the measurement of lease liabilities:
Cash used for financing activities	1.1	1.7	2.6
Noncash investing and financing activities:
Asset obtained in exchange for new operating lease obligations	1.4	$ 5.2	41.4
Assets obtained in exchange for new finance lease obligations	$ 0.5		$ 2.2