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Segment Data Segment Data - Sales by End Market (Details)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
General Engineering [Member]
Revenue from External Customer [Line Items]
Revenues, percent	46.00%	45.00%	41.00%
Transportation [Member]
Revenue from External Customer [Line Items]
Revenues, percent	17.00%	18.00%	20.00%
Energy [Member]
Revenue from External Customer [Line Items]
Revenues, percent	16.00%	17.00%	17.00%
Earthworks [Member]
Revenue from External Customer [Line Items]
Revenues, percent	14.00%	13.00%	14.00%
Aerospace and defense [Member]
Revenue from External Customer [Line Items]
Revenues, percent	7.00%	7.00%	8.00%
Industrial [Member] | General Engineering [Member]
Revenue from External Customer [Line Items]
Revenues, percent	45.00%	44.00%	43.00%
Industrial [Member] | Transportation [Member]
Revenue from External Customer [Line Items]
Revenues, percent	32.00%	34.00%	36.00%
Industrial [Member] | Energy [Member]
Revenue from External Customer [Line Items]
Revenues, percent	9.00%	9.00%	9.00%
Industrial [Member] | Aerospace and defense [Member]
Revenue from External Customer [Line Items]
Revenues, percent	14.00%	13.00%	12.00%
WIDIA [Member] | General Engineering [Member]
Revenue from External Customer [Line Items]
Revenues, percent	100.00%	100.00%	100.00%
Infrastructure [Member] | General Engineering [Member]
Revenue from External Customer [Line Items]
Revenues, percent	34.00%	34.00%	31.00%
Infrastructure [Member] | Energy [Member]
Revenue from External Customer [Line Items]
Revenues, percent	28.00%	33.00%	33.00%
Infrastructure [Member] | Earthworks [Member]
Revenue from External Customer [Line Items]
Revenues, percent	38.00%	33.00%	36.00%

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- Definition

Revenues, percent

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Details

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- Details

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