Acquisitions, Goodwill And Other Intangible Assets (Schedule Of Goodwill By Reportable Segment) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($)
Segment Reporting Information
Net balance – beginning of period	$ 543,180
Acquisitions	20,198
Measurement period adjustments	600
Foreign currency translation	(1,940)
Net balance – end of period	562,038
OEM Segment
Segment Reporting Information
Net balance – beginning of period	379,463
Acquisitions	16,966
Measurement period adjustments	538
Foreign currency translation	(1,737)
Net balance – end of period	395,230
Aftermarket Segment
Segment Reporting Information
Net balance – beginning of period	163,717
Acquisitions	3,232
Measurement period adjustments	62
Foreign currency translation	(203)
Net balance – end of period	$ 166,808