EARNINGS PER SHARE - Tabular Disclosure (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Feb. 27, 2022	Feb. 28, 2021	Feb. 27, 2022	Feb. 28, 2021
Numerator:
Net income	$ 106.6	$ 66.1	$ 168.9	$ 252.3
Net income, basic	106.6	66.1	168.9	252.3
Net income, diluted	$ 106.6	$ 66.1	$ 168.9	$ 252.3
Denominator:
Basic weighted average common shares outstanding (in shares)	145.1	146.5	145.8	146.4
Add: Dilutive effect of employee incentive plans (in shares)	0.4	0.7	0.4	0.7
Diluted weighted average common shares outstanding (in shares)	145.5	147.2	146.2	147.1
Earnings per share:
Basic (in dollars per share)	$ 0.73	$ 0.45	$ 1.16	$ 1.72
Diluted (in dollars per share)	$ 0.73	$ 0.45	$ 1.16	$ 1.72