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Goodwill and Other Intangible Assets Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Finite-Lived Intangible Assets, Accumulated Amortization	$ 175,501	$ 184,352
Intangible Assets, Gross (Excluding Goodwill)	242,711	265,773
Goodwill	282,726	271,567	$ 269,551
Metal Cutting [Member]
Goodwill	282,726	271,567	$ 269,551
Technology-Based and other [Member]
Finite-Lived Intangible Assets, Gross	32,699	31,715
Finite-Lived Intangible Assets, Accumulated Amortization	$ 26,243	24,476
Technology-Based and other [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	4 years
Technology-Based and other [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	20 years
Customer Relationships [Member]
Finite-Lived Intangible Assets, Gross	$ 159,722	179,529
Finite-Lived Intangible Assets, Accumulated Amortization	$ 111,184	120,091
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	21 years
Unpatented Technology [Member]
Finite-Lived Intangible Assets, Gross	$ 26,373	31,485
Finite-Lived Intangible Assets, Accumulated Amortization	$ 24,281	27,130
Unpatented Technology [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Unpatented Technology [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	30 years
Trademarks [Member]
Finite-Lived Intangible Assets, Gross	$ 23,917	23,044
Finite-Lived Intangible Assets, Accumulated Amortization	$ 13,793	$ 12,655
Trademarks [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Trademarks [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	20 years

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