SEGMENT INFORMATION - Schedule of Segment financial information (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025
Segment Reporting Information [Line Items]
Assets used in the business	$ 3,185,474	$ 3,003,211	$ 3,175,544
Depreciation and amortization of property	6,486	5,924
Amortization of intangibles	10,203	7,600
Capital expenditures	7,301	5,549
Service Center
Segment Reporting Information [Line Items]
Assets used in the business	1,785,052	1,894,467
Depreciation and amortization of property	4,235	4,419
Amortization of intangibles	730	802
Capital expenditures	6,328	4,435
Engineered Solutions
Segment Reporting Information [Line Items]
Assets used in the business	1,400,422	1,108,744
Depreciation and amortization of property	2,251	1,505
Amortization of intangibles	9,473	6,798
Capital expenditures	$ 973	$ 1,114