Segment Information (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Operating income for reportable segments	$ 473,151	$ 357,858	$ 205,454
Adjustments for:
Intangible amortization	30,805	31,879	34,365
Operating income	473,151	357,858	205,454
Interest expense, net	21,639	26,263	30,592
Other expense (income), net	1,701	1,805	(2,200)
Income before income taxes	449,811	329,790	177,062
Reportable Segments
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Operating income for reportable segments	576,843	458,525	346,988
Adjustments for:
Operating income	576,843	458,525	346,988
Service Center Based Distribution Segment [Member]
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Operating income for reportable segments	373,439	301,881	225,206
Adjustments for:
Intangible amortization	2,857	3,435	5,426
Impairment - Service Center Based Distribution	0	0	49,528
Operating income	373,439	301,881	225,206
Engineered Solutions Segment
Reconciliation of operating income for reportable segments to the consolidated income before income taxes
Operating income for reportable segments	203,404	156,644	121,782
Adjustments for:
Intangible amortization	27,948	28,444	28,938
Operating income	203,404	156,644	121,782
Corporate and Other [Member]
Adjustments for:
Corporate and other expense, net	$ 72,887	$ 68,788	$ 57,642