Revenue - Percentages of Sales by Product Line (Details) - Product Line - Sales	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Percentage of Sales by Product Line [Line Items]
Percentage of sales	100.00%	100.00%	100.00%	100.00%
Fasteners
Percentage of Sales by Product Line [Line Items]
Percentage of sales	30.70%	30.50%	30.80%	30.40%
Tools
Percentage of Sales by Product Line [Line Items]
Percentage of sales	8.50%	8.30%	8.40%	8.40%
Cutting tools
Percentage of Sales by Product Line [Line Items]
Percentage of sales	5.10%	5.10%	5.10%	5.20%
Hydraulics & pneumatics
Percentage of Sales by Product Line [Line Items]
Percentage of sales	7.00%	6.90%	6.90%	6.90%
Material handling
Percentage of Sales by Product Line [Line Items]
Percentage of sales	5.80%	5.70%	5.80%	5.70%
Janitorial supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	8.50%	9.10%	8.60%	9.10%
Electrical supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	4.80%	4.80%	4.80%	4.80%
Welding supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	4.40%	4.20%	4.30%	4.20%
Safety supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	21.70%	22.20%	21.60%	22.10%
Other
Percentage of Sales by Product Line [Line Items]
Percentage of sales	3.50%	3.20%	3.70%	3.20%