Segment Data (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	$ 969,068	$ 1,002,041
Sales	2,078,184	2,012,456	$ 1,841,441
Total operating income	192,417	218,140	102,168
Interest expense	28,496	25,914	46,375
Other expense (income), net	4,300	(14,507)	(8,867)
Income before income taxes	159,621	206,733	64,660
Depreciation and Amortization	134,025	131,678	126,488
Assets	2,547,234	2,573,524	2,665,761
Capital Expenditures	$ 94,385	96,924	127,302
Sales To a Single Customer Did Not Aggretage More Than	0.05
Industrial [Member]
Segment Reporting Information [Line Items]
Sales	$ 1,269,765	1,227,273	1,150,746
Total operating income	135,763	121,386	45,855
Depreciation and Amortization	90,880	87,986	81,796
Assets	1,460,757	1,469,835	1,532,177
Capital Expenditures	58,384	64,055	103,812
Infrastructure [Member]
Segment Reporting Information [Line Items]
Sales	808,419	785,183	690,695
Total operating income	59,757	98,871	59,461
Depreciation and Amortization	43,144	43,691	44,661
Assets	734,944	768,226	698,766
Capital Expenditures	36,001	32,869	23,490
Corporate [Member]
Segment Reporting Information [Line Items]
Total operating income	(3,103)	(2,117)	(3,148)
Depreciation and Amortization	1	1	31
Assets	$ 351,533	$ 335,463	$ 434,818