Revenue Recognition Revenue Recognition (Details 1)	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
General Industry [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	35.40%	36.00%	35.80%	35.80%
Industrial Machinery [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	12.80%	14.20%	12.70%	14.10%
Food [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	11.50%	10.10%	11.50%	10.20%
Metals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	10.00%	9.90%	10.20%	9.90%
Forest Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	9.20%	9.00%	9.20%	9.40%
Chem/Petrochem [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	7.50%	6.90%	7.20%	6.90%
Cement & Aggregate [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	5.90%	6.00%	5.70%	5.60%
Oil & Gas [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	4.00%	4.20%	3.80%	4.40%
Transportation [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	3.70%	3.70%	3.90%	3.70%
Total
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	100.00%	100.00%	100.00%	100.00%
Service Center Based Distribution Segment [Member] | General Industry [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	34.60%	34.50%	34.80%	34.70%
Service Center Based Distribution Segment [Member] | Industrial Machinery [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	8.00%	9.00%	8.00%	8.90%
Service Center Based Distribution Segment [Member] | Food [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	15.20%	13.70%	15.30%	13.70%
Service Center Based Distribution Segment [Member] | Metals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	10.90%	10.90%	11.10%	10.80%
Service Center Based Distribution Segment [Member] | Forest Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	12.00%	12.00%	11.90%	12.20%
Service Center Based Distribution Segment [Member] | Chem/Petrochem [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	2.90%	2.70%	2.90%	2.70%
Service Center Based Distribution Segment [Member] | Cement & Aggregate [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	7.90%	8.20%	7.60%	7.60%
Service Center Based Distribution Segment [Member] | Oil & Gas [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	5.00%	5.40%	4.70%	5.70%
Service Center Based Distribution Segment [Member] | Transportation [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	3.50%	3.60%	3.70%	3.70%
Service Center Based Distribution Segment [Member] | Total
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	100.00%	100.00%	100.00%	100.00%
Engineered Solutions Segment [Member] | General Industry [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	36.60%	39.60%	37.80%	38.50%
Engineered Solutions Segment [Member] | Industrial Machinery [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	23.00%	25.00%	22.80%	25.10%
Engineered Solutions Segment [Member] | Food [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	3.90%	2.50%	3.50%	2.70%
Engineered Solutions Segment [Member] | Metals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	8.30%	7.60%	8.20%	7.90%
Engineered Solutions Segment [Member] | Forest Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	3.50%	2.70%	3.40%	3.30%
Engineered Solutions Segment [Member] | Chem/Petrochem [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	17.00%	15.70%	16.60%	15.90%
Engineered Solutions Segment [Member] | Cement & Aggregate [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	1.60%	1.40%	1.40%	1.30%
Engineered Solutions Segment [Member] | Oil & Gas [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	2.00%	1.70%	1.90%	1.60%
Engineered Solutions Segment [Member] | Transportation [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	4.10%	3.80%	4.40%	3.70%
Engineered Solutions Segment [Member] | Total
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Customer Industry, Percent	100.00%	100.00%	100.00%	100.00%