XML 71 R61.htm IDEA: XBRL DOCUMENT v3.21.2

Segment Data Disaggregation of Revenue (Details)	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	48.00%	46.00%
Transportation [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	17.00%	18.00%
Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	5.00%	5.00%
Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	16.00%	15.00%
Earthworks [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	14.00%	16.00%
Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	47.00%	45.00%
EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	31.00%	31.00%
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	22.00%	24.00%
Infrastructure [Member] | General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	35.00%	34.00%
Infrastructure [Member] | Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	29.00%	25.00%
Infrastructure [Member] | Earthworks [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	36.00%	41.00%
Infrastructure [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	58.00%	55.00%
Infrastructure [Member] | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	19.00%	21.00%
Infrastructure [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	23.00%	24.00%
Metal Cutting | General Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	56.00%	54.00%
Metal Cutting | Transportation [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	28.00%	29.00%
Metal Cutting | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	9.00%	9.00%
Metal Cutting | Energy [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	7.00%	8.00%
Metal Cutting | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	40.00%	39.00%
Metal Cutting | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	38.00%	37.00%
Metal Cutting | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenues, percent	22.00%	24.00%

X

- Definition

Revenues, percent

+ References

No definition available.

+ Details

Name:	kmt_Revenuespercent
Namespace Prefix:	kmt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- 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.

+ Details

Name:	us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_MajorCustomersAxis=kmt_GeneralEngineeringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_MajorCustomersAxis=kmt_TransportationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_MajorCustomersAxis=kmt_AerospaceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_MajorCustomersAxis=kmt_EnergyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_MajorCustomersAxis=kmt_EarthworksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=srt_AmericasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=us-gaap_EMEAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=srt_AsiaPacificMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=kmt_InfrastructureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=kmt_MetalCuttingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: