XML 43 R33.htm IDEA: XBRL DOCUMENT v3.10.0.1

Basis Of Presentation And Significant Accounting Policies (Narrative) (Details)	9 Months Ended
	Sep. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Scheduled delivery dates, period (within)	1 year
Installation services, completion period	90 days

X

- References

No definition available.

+ Details

Name:	ipgp_RevenueFromContractWithCustomerScheduledDeliveryDatesPeriod
Namespace Prefix:	ipgp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ipgp_RevenueFromContractWithCustomerServiceCompletionPeriod
Namespace Prefix:	ipgp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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