STOCK-BASED COMPENSATION - Unrecognized Compensation Expense (Details) $ in Millions	9 Months Ended
	Feb. 27, 2022 USD ($)
Unrecognized compensation expense, net of estimated forfeitures
Unrecognized compensation expense	$ 35.1
Remaining weighted average recognition period	2 years
Restricted Stock Units (RSUs)
Unrecognized compensation expense, net of estimated forfeitures
Unrecognized compensation expense	$ 27.7
Remaining weighted average recognition period	2 years
Performance shares
Unrecognized compensation expense, net of estimated forfeitures
Unrecognized compensation expense	$ 7.4
Remaining weighted average recognition period	1 year 10 months 24 days