REVENUE RECOGNITION- Schedule of Revenue by Reportable Segment and Major Customer Industry (Details)	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
General Industry
Disaggregation of Revenue [Line Items]
Total	37.10%	36.40%
Industrial Machinery
Disaggregation of Revenue [Line Items]
Total	13.50%	12.50%
Food
Disaggregation of Revenue [Line Items]
Total	11.30%	11.50%
Metals
Disaggregation of Revenue [Line Items]
Total	10.00%	10.30%
Forest Products
Disaggregation of Revenue [Line Items]
Total	8.40%	9.20%
Chem/Petrochem
Disaggregation of Revenue [Line Items]
Total	6.30%	6.90%
Cement & Aggregate
Disaggregation of Revenue [Line Items]
Total	5.40%	5.50%
Transportation
Disaggregation of Revenue [Line Items]
Total	4.10%	4.10%
Oil & Gas
Disaggregation of Revenue [Line Items]
Total	3.90%	3.60%
Total
Disaggregation of Revenue [Line Items]
Total	100.00%	100.00%
Service Center | General Industry
Disaggregation of Revenue [Line Items]
Total	34.40%	35.20%
Service Center | Industrial Machinery
Disaggregation of Revenue [Line Items]
Total	7.90%	8.10%
Service Center | Food
Disaggregation of Revenue [Line Items]
Total	15.90%	15.30%
Service Center | Metals
Disaggregation of Revenue [Line Items]
Total	11.50%	11.20%
Service Center | Forest Products
Disaggregation of Revenue [Line Items]
Total	11.80%	11.80%
Service Center | Chem/Petrochem
Disaggregation of Revenue [Line Items]
Total	2.70%	2.90%
Service Center | Cement & Aggregate
Disaggregation of Revenue [Line Items]
Total	7.60%	7.30%
Service Center | Transportation
Disaggregation of Revenue [Line Items]
Total	3.50%	3.80%
Service Center | Oil & Gas
Disaggregation of Revenue [Line Items]
Total	4.70%	4.40%
Service Center | Total
Disaggregation of Revenue [Line Items]
Total	100.00%	100.00%
Engineered Solutions | General Industry
Disaggregation of Revenue [Line Items]
Total	42.50%	39.00%
Engineered Solutions | Industrial Machinery
Disaggregation of Revenue [Line Items]
Total	24.00%	22.60%
Engineered Solutions | Food
Disaggregation of Revenue [Line Items]
Total	2.60%	3.10%
Engineered Solutions | Metals
Disaggregation of Revenue [Line Items]
Total	7.10%	8.20%
Engineered Solutions | Forest Products
Disaggregation of Revenue [Line Items]
Total	2.10%	3.20%
Engineered Solutions | Chem/Petrochem
Disaggregation of Revenue [Line Items]
Total	13.00%	16.20%
Engineered Solutions | Cement & Aggregate
Disaggregation of Revenue [Line Items]
Total	1.20%	1.30%
Engineered Solutions | Transportation
Disaggregation of Revenue [Line Items]
Total	5.20%	4.70%
Engineered Solutions | Oil & Gas
Disaggregation of Revenue [Line Items]
Total	2.30%	1.70%
Engineered Solutions | Total
Disaggregation of Revenue [Line Items]
Total	100.00%	100.00%