Goodwill and Related Intangible Assets (Schedule of Acquired Intangible Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Finite-lived intangible assets	$ 166,198	$ 162,472
Total acquired intangible assets, Gross Carrying Amount	223,898	215,172
Accumulated Amortization, Finite-lived intangible assets	78,524	73,668
Total acquired intangible assets, Accumulated Amortization	78,524	73,668
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Finite-lived intangible assets	5,432	5,521
Accumulated Amortization, Finite-lived intangible assets	4,337	4,011
Unpatented technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Finite-lived intangible assets	34,117	38,474
Accumulated Amortization, Finite-lived intangible assets	21,456	20,656
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Finite-lived intangible assets	117,429	108,591
Accumulated Amortization, Finite-lived intangible assets	43,914	39,832
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Finite-lived intangible assets	2,368	2,686
Accumulated Amortization, Finite-lived intangible assets	1,965	1,969
Backlog
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Finite-lived intangible assets	6,852	7,200
Accumulated Amortization, Finite-lived intangible assets	6,852	7,200
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Indefinite-lived intangible assets	57,700	52,700
Accumulated Amortization, Indefinite-lived intangible assets	$ 0	$ 0