Revenue - Percentages of Sales by Product Line (Details) - Product Line - Sales	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 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	30.40%	31.00%	30.70%	30.60%
Tools
Percentage of Sales by Product Line [Line Items]
Percentage of sales	8.60%	8.20%	8.50%	8.30%
Cutting tools
Percentage of Sales by Product Line [Line Items]
Percentage of sales	5.20%	5.10%	5.20%	5.20%
Hydraulics & pneumatics
Percentage of Sales by Product Line [Line Items]
Percentage of sales	7.10%	6.90%	7.00%	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	8.70%	9.00%	8.60%	9.10%
Electrical supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	4.90%	4.60%	4.80%	4.70%
Welding supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	4.50%	4.30%	4.40%	4.20%
Safety supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	21.40%	22.10%	21.60%	22.10%
Other
Percentage of Sales by Product Line [Line Items]
Percentage of sales	3.30%	3.10%	3.40%	3.20%