Revenue - Percentages of Sales by Product Line (Details) - Product Line - Sales	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Percentage of Sales by Product Line [Line Items]
Percentage of sales	100.00%	100.00%
Fasteners
Percentage of Sales by Product Line [Line Items]
Percentage of sales	31.50%	33.60%
Tools
Percentage of Sales by Product Line [Line Items]
Percentage of sales	8.60%	8.50%
Cutting tools
Percentage of Sales by Product Line [Line Items]
Percentage of sales	5.30%	5.40%
Hydraulics & pneumatics
Percentage of Sales by Product Line [Line Items]
Percentage of sales	6.70%	6.60%
Material handling
Percentage of Sales by Product Line [Line Items]
Percentage of sales	5.50%	5.60%
Janitorial supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	8.50%	8.10%
Electrical supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	4.60%	4.60%
Welding supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	4.20%	4.00%
Safety supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	21.60%	20.40%
Other
Percentage of Sales by Product Line [Line Items]
Percentage of sales	3.50%	3.20%