Revenue - Percentages of Sales by Product Line (Details) - Product Line - Sales	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
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	31.00%	30.20%	30.60%	30.90%
Tools
Percentage of Sales by Product Line [Line Items]
Percentage of sales	8.20%	8.40%	8.30%	8.50%
Cutting tools
Percentage of Sales by Product Line [Line Items]
Percentage of sales	5.10%	5.30%	5.20%	5.30%
Hydraulics & pneumatics
Percentage of Sales by Product Line [Line Items]
Percentage of sales	6.90%	6.80%	6.90%	6.80%
Material handling
Percentage of Sales by Product Line [Line Items]
Percentage of sales	5.70%	5.70%	5.70%	5.60%
Janitorial supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	9.00%	9.00%	9.10%	8.70%
Electrical supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	4.60%	4.80%	4.70%	4.60%
Welding supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	4.30%	4.20%	4.20%	4.20%
Safety supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	22.10%	22.50%	22.10%	22.00%
Other
Percentage of Sales by Product Line [Line Items]
Percentage of sales	3.10%	3.10%	3.20%	3.40%