v3.26.3
Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Aug. 29, 2026
Aug. 30, 2025
Numerator:    
Net earnings attributable to MillerKnoll, Inc. - in millions $ 26.6 $ 20.2
Denominator:    
Weighted-average common shares outstanding - basic (in shares) 69,288,857 68,519,141
Potentially dilutive shares resulting from stock plans (in shares) 751,749 675,365
Weighted-average common shares outstanding - diluted (in shares) 70,040,606 69,194,506
Earnings per share attributable to MillerKnoll, Inc. - basic (in dollar per share) $ 0.38 $ 0.29
Earnings per share attributable to MillerKnoll, Inc. - diluted (in dollar per share) $ 0.38 $ 0.29
Anti-dilutive share based awards excluded from the computation of diluted earnings per share (in shares) 1,974,981 4,318,305