Supplemental Cash Flow and Non-Cash Information (Schedule Of Supplemental Cash Flow and Non-Cash Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Supplemental cash flow information:
Income taxes paid, net	$ 1,654	$ 18,900	$ 6,124	$ 23,328
Interest paid	$ 7,907	$ 7,171	15,306	13,045
Property Plant and Equipment [Member]
Non-cash investing activities:
Unpaid purchases at the end of the period			4,981	7,053
Capitalized Purchased Software Costs [Member]
Non-cash investing activities:
Unpaid purchases at the end of the period			$ 1,320	$ 0