v3.26.3
Short-Term Borrowings and Long-Term Debt - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Sep. 30, 2025
Aug. 29, 2026
May 30, 2026
Jul. 31, 2021
Debt Instrument [Line Items]        
Liability related to supplier financing program   $ 2.7 $ 1.8  
MillerKnoll Receivables, LLC (the SPE)        
Debt Instrument [Line Items]        
Accounts receivable held by the SPE   56.5    
Line of Credit | Syndicated Line of Credit        
Debt Instrument [Line Items]        
Borrowing capacity       $ 725.0
Term Loan A Due April 2030 | Notes        
Debt Instrument [Line Items]        
Total principal payments   2.5    
Term Loan B Due August 2032 | Notes        
Debt Instrument [Line Items]        
Total principal payments   $ 1.4    
Accounts Receivable Securitization Facility Due September 2028 | Secured Debt        
Debt Instrument [Line Items]        
Debt instrument, term (in years) 3 years      
Aggregate principal amount $ 90.0