Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2023	Sep. 30, 2023
Goodwill [Roll Forward]
Beginning balance		$ 643,419
Impairment charge		(1,877)
Amortization of "second component" goodwill		(560)
Foreign currency translation		(839)
Ending balance		640,143
Domestic Operations
Goodwill [Roll Forward]
Beginning balance		349,292
Impairment charge		0
Amortization of "second component" goodwill		(560)
Foreign currency translation		0
Ending balance		348,732
International and Other
Goodwill [Roll Forward]
Beginning balance		294,127
Impairment charge	$ (1,900)	(1,877)
Amortization of "second component" goodwill		0
Foreign currency translation		(839)
Ending balance		$ 291,411