Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Segment financial information
Net sales	$ 3,810,676	$ 3,235,919	$ 3,245,652
Operating income for reportable segments	357,858	205,454	88,989
Assets used in the business	2,452,588	2,271,807	2,283,551
Depreciation and amortization of property	21,676	20,780	21,196
Capital expenditures	18,124	15,852	20,115
Service Center Based Distribution Segment [Member]
Segment financial information
Net sales	2,565,604	2,199,533	2,241,949
Operating income for reportable segments	301,881	225,206	211,667
Assets used in the business	1,455,293	1,332,720	1,314,011
Depreciation and amortization of property	17,509	17,155	17,133
Capital expenditures	14,486	13,735	17,063
Fluid Power & Flow Control Segment [Member]
Segment financial information
Net sales	1,245,072	1,036,386	1,003,703
Operating income for reportable segments	156,644	121,782	109,847
Assets used in the business	997,295	939,087	969,540
Depreciation and amortization of property	4,167	3,625	4,063
Capital expenditures	3,638	2,117	3,052
Reportable Segments
Segment financial information
Operating income for reportable segments	$ 458,525	$ 346,988	$ 321,514