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Acquisitions, Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended					12 Months Ended
	Nov. 30, 2022	Mar. 31, 2022	Oct. 31, 2021	Sep. 30, 2021	Apr. 30, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition
Cash consideration						$ 25,851	$ 108,470	$ 194,107
Measurement period adjustments						5,868	13,287
Goodwill						589,550	567,063	543,180
Payment of contingent consideration related to acquisitions						31,857	60,228	22,830
Acquisitions Completed During The Three Months Ended March 31, 2023
Business Acquisition
Holdback payment						200
Way Interglobal Network LLC
Business Acquisition
Purchase price	$ 54,761					39,315
Measurement period adjustments						4,205
Goodwill	$ 4,978					9,183
Stampede
Business Acquisition
Purchase price			$ 39,700
Furrion
Business Acquisition
Cash consideration				$ 50,500
Holdback payment				31,300
Purchase price				$ 146,700
Percentage of outstanding shares acquired				100.00%
Business Combination, Acquisition Related Costs						2,300
Schaudt
Business Acquisition
Purchase price					$ 29,400
Percentage of outstanding shares acquired					100.00%
Ranch Hand
Business Acquisition
Cash consideration					$ 56,900
Contingent consideration arrangements, range of outcomes, high					$ 3,000
Other Acquisitions
Business Acquisition
Cash consideration						25,800	5,000	17,800
Holdback payment								$ 2,100
Holdback payment, term								2 years
Contingent consideration arrangements, range of outcomes, high								$ 2,000
Goodwill						16,800	800	8,600
Payment of contingent consideration related to acquisitions						500	1,000	600
Identifiable intangible assets								7,800
Girard Systems and Girard Products LLC
Business Acquisition
Cash consideration		$ 50,000
Holdback payment		20,000
Purchase price		70,700
Business Combination, Consideration Transferred, True Up Payment		$ 700
Veada
Business Acquisition
Percentage of outstanding shares acquired					100.00%
OEM Segment
Business Acquisition
Measurement period adjustments						5,708	10,917
Goodwill						421,701	399,736	379,463
Operating Segments | OEM Segment
Business Acquisition
Accumulated impairment						$ 50,500	$ 50,500	$ 50,500

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