v3.26.1
Related Party and Party-in-Interest Transactions (Details) - EBP 002 - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Shares of Company common stock owned by the Plan (in shares) 1,970,330  
MillerKnoll, Inc. common stock    
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Income related to dividends from shares of Company common stock $ 1,417,296  
Shares of Company common stock owned by the Plan (in shares) 1,970,330 1,827,337