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Postretirement Benefit Plans (Additional Information) (Details)	9 Months Ended
	Sep. 30, 2025 plan
Retirement Benefits [Abstract]
Number of qualified noncontributory defined benefit plans	1

X

- Definition

Number Of Qualified Noncontributory Defined Benefit Plans

+ References

No definition available.

+ Details

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Namespace Prefix:	rog_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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