Supplemental Cash Flow and Non-Cash Information (Schedule Of Supplemental Cash Flow and Non-Cash Information) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Supplemental cash flow information:
Income taxes paid, net	$ 58,974	$ 38,807
Interest paid	15,461	21,806
Property Plant and Equipment [Member]
Non-cash investing activities:
Unpaid purchases at the end of the period	3,978	3,088
Capitalized Purchased Software Costs [Member]
Non-cash investing activities:
Unpaid purchases at the end of the period	$ 2,053	$ 1,320