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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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