v3.26.3
Operating Segments - Schedule of Segment Reporting (Details) - USD ($)
$ in Millions
3 Months Ended
Aug. 29, 2026
Aug. 30, 2025
Segment Reporting    
Net sales $ 923.4 $ 955.7
Adjusted operating earnings 65.7 60.1
Net earnings attributable to redeemable noncontrolling interests 1.0 0.9
Income tax expense 7.6 7.6
Other expense, net 1.3 7.5
Interest and other investment income (0.9) (1.1)
Interest expense 16.2 18.4
Restructuring charges 6.5 0.5
Amortization of Knoll purchased intangibles 5.7 6.1
CEO transition costs 1.7 0.0
Net earnings attributable to MillerKnoll, Inc. 26.6 20.2
Depreciation and amortization 34.5 35.4
Capital expenditures 32.5 30.7
Operating Segments    
Segment Reporting    
Adjusted operating earnings 79.4 78.4
Corporate    
Segment Reporting    
Adjusted operating expenses 13.7 18.3
Adjusted operating earnings (13.7) (18.3)
North America Contract    
Segment Reporting    
Net sales 505.6 533.9
North America Contract | Operating Segments    
Segment Reporting    
Net sales 505.6 533.9
Adjusted cost of sales 308.3 337.9
Adjusted operating expenses 143.4 134.9
Adjusted operating earnings 53.9 61.1
Depreciation and amortization 20.0 20.8
Capital expenditures 15.1 15.8
International Contract    
Segment Reporting    
Net sales 156.8 167.5
International Contract | Operating Segments    
Segment Reporting    
Net sales 156.8 167.5
Adjusted cost of sales 99.8 108.3
Adjusted operating expenses 49.8 44.9
Adjusted operating earnings 7.2 14.3
Depreciation and amortization 5.5 5.9
Capital expenditures 4.9 4.5
Global Retail    
Segment Reporting    
Net sales 261.0 254.3
Global Retail | Operating Segments    
Segment Reporting    
Net sales 261.0 254.3
Adjusted cost of sales 129.5 141.4
Adjusted operating expenses 113.2 109.9
Adjusted operating earnings 18.3 3.0
Depreciation and amortization 9.0 8.7
Capital expenditures $ 12.5 $ 10.4