Intangible Assets (Schedule Of Indefinite-Lived And Definite-Lived Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Indefinite-Lived and Finite-Lived Intangible Assets By Major Class [Line Items]
Cost	$ 594,143	$ 562,544
Accumulated amortization	(271,491)	(212,028)
Net book value	322,652	350,516
Trade names and trademarks [Member]
Indefinite-Lived and Finite-Lived Intangible Assets By Major Class [Line Items]
Cost	54,023	54,400
Accumulated amortization	(2,889)	(2,147)
Net book value	51,134	52,253
Customer relationships [Member]
Indefinite-Lived and Finite-Lived Intangible Assets By Major Class [Line Items]
Cost	245,407	245,984
Accumulated amortization	(85,657)	(65,480)
Net book value	159,750	180,504
Software and technology assets [Member]
Indefinite-Lived and Finite-Lived Intangible Assets By Major Class [Line Items]
Cost	289,078	255,636
Accumulated amortization	(182,303)	(144,309)
Net book value	106,775	111,327
Software Under Development [Member]
Indefinite-Lived and Finite-Lived Intangible Assets By Major Class [Line Items]
Cost	4,535	5,424
Net book value	4,535	5,424
Backlog [Member]
Indefinite-Lived and Finite-Lived Intangible Assets By Major Class [Line Items]
Cost	1,100	1,100
Accumulated amortization	(642)	(92)
Net book value	$ 458	$ 1,008