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Segment Data Disaggregation of Revenue (Details) - USD ($)	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	$ 0.44	$ 0.43
Transportation [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.19	0.20
Aerospace and defense [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.07	0.07
Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.17	0.16
Earthworks [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.13	0.14
Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.49	0.48
EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.29	0.31
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.22	0.21
Infrastructure [Member] | General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.32	0.32
Infrastructure [Member] | Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.34	0.31
Infrastructure [Member] | Earthworks [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.34	0.37
Infrastructure [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.65	0.63
Infrastructure [Member] | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.15	0.17
Infrastructure [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.20	0.20
WIDIA [Member] | General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	1.00	1.00
WIDIA [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.45	0.48
WIDIA [Member] | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.24	0.24
WIDIA [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.31	0.28
Industrial [Member] | General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.43	0.42
Industrial [Member] | Transportation [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.35	0.37
Industrial [Member] | Aerospace and defense [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.13	0.12
Industrial [Member] | Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.09	0.09
Industrial [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.39	0.39
Industrial [Member] | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	0.40	0.41
Industrial [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	$ 0.21	$ 0.20

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- Definition

Revenues, percent

+ References

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- Definition

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+ References

No definition available.

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