Goodwill and Other Intangible Assets (Schedule of Acquired Identifiable Intangible Assets and Capitalized Purchased Software Costs) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 168,371	$ 169,336
Accumulated Amortization	(121,828)	(118,314)
Net Carrying Amount	46,543	51,022
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	100,118	100,105
Accumulated Amortization	(75,555)	(71,947)
Net Carrying Amount	24,563	28,158
Capitalized Purchased Software Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	44,085	45,062
Accumulated Amortization	(30,351)	(30,463)
Net Carrying Amount	13,734	14,599
Technology Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	15,500	15,500
Accumulated Amortization	(15,500)	(15,500)
Net Carrying Amount	0	0
Trade Names and Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	7,800	7,800
Accumulated Amortization	0	0
Net Carrying Amount	7,800	7,800
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	868	869
Accumulated Amortization	(422)	(404)
Net Carrying Amount	$ 446	$ 465