Acquisitions, Goodwill And Other Intangible Assets (Schedule Of Goodwill By Reportable Segment) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Segment Reporting Information
Net balance – beginning of period	$ 351,114
Acquisitions	37,654
Measurement period adjustments	12,027
Foreign currency translations	(1,435)
Net balance – end of period	399,360
OEM Segment
Segment Reporting Information
Net balance – beginning of period	215,620
Acquisitions	37,654
Measurement period adjustments	(586)
Foreign currency translations	(1,152)
Net balance – end of period	251,536
Aftermarket Segment
Segment Reporting Information
Net balance – beginning of period	135,494
Acquisitions	0
Measurement period adjustments	12,613
Foreign currency translations	(283)
Net balance – end of period	$ 147,824

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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