Segment Data Disaggregation of Revenue (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	46.00%	44.00%	45.00%	44.00%
Transportation [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	18.00%	20.00%	18.00%	20.00%
Aerospace and defense [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	7.00%	6.00%	7.00%	6.00%
Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	17.00%	17.00%	18.00%	17.00%
Earthworks [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	12.00%	13.00%	12.00%	13.00%
Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	51.00%	48.00%	50.00%	48.00%
EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	30.00%	32.00%	30.00%	31.00%
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	19.00%	20.00%	20.00%	21.00%
Infrastructure [Member] | General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	36.00%	32.00%	34.00%	32.00%
Infrastructure [Member] | Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	33.00%	34.00%	34.00%	32.00%
Infrastructure [Member] | Earthworks [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	31.00%	34.00%	32.00%	36.00%
Infrastructure [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	67.00%	65.00%	66.00%	65.00%
Infrastructure [Member] | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	16.00%	16.00%	15.00%	16.00%
Infrastructure [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	17.00%	19.00%	19.00%	19.00%
WIDIA [Member] | General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	100.00%	100.00%	100.00%	100.00%
WIDIA [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	46.00%	46.00%	46.00%	46.00%
WIDIA [Member] | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	26.00%	26.00%	25.00%	26.00%
WIDIA [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	28.00%	28.00%	29.00%	28.00%
Industrial [Member] | General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	45.00%	43.00%	44.00%	43.00%
Industrial [Member] | Transportation [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	33.00%	36.00%	34.00%	37.00%
Industrial [Member] | Aerospace and defense [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	13.00%	12.00%	13.00%	11.00%
Industrial [Member] | Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	9.00%	9.00%	9.00%	9.00%
Industrial [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	40.00%	38.00%	40.00%	38.00%
Industrial [Member] | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	41.00%	43.00%	40.00%	42.00%
Industrial [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	19.00%	19.00%	20.00%	20.00%