v3.26.1
Segment and net sales information - Schedule of Disaggregation of Net Sales (Details) - Customer Concentration Risk - Disaggregation of Net Sales
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Concentration risk, percentage 100.00% 100.00% 100.00% 100.00%
Waterworks        
Segment Reporting [Line Items]        
Concentration risk, percentage 24.00% 24.00% 23.00% 23.00%
Ferguson Home        
Segment Reporting [Line Items]        
Concentration risk, percentage 20.00% 21.00% 20.00% 21.00%
Commercial/Mechanical        
Segment Reporting [Line Items]        
Concentration risk, percentage 16.00% 15.00% 16.00% 15.00%
Residential Trade Plumbing        
Segment Reporting [Line Items]        
Concentration risk, percentage 14.00% 15.00% 15.00% 15.00%
HVAC        
Segment Reporting [Line Items]        
Concentration risk, percentage 13.00% 12.00% 12.00% 12.00%
Industrial        
Segment Reporting [Line Items]        
Concentration risk, percentage 7.00% 6.00% 7.00% 7.00%
Facilities Supply        
Segment Reporting [Line Items]        
Concentration risk, percentage 4.00% 4.00% 4.00% 4.00%
Fire & Fabrication        
Segment Reporting [Line Items]        
Concentration risk, percentage 2.00% 3.00% 3.00% 3.00%