Restructuring Charges (Summary of Restructuring Reserve by Type of Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Reserve
Beginning balance	$ 7,647	$ 5,747
Amounts charged to expense	61,585	18,715	$ 19,003
Cash payments	(34,443)	(15,406)	(21,990)
Noncash activity	(8,661)	(1,409)
Ending balance	26,128	7,647	5,747
The 2023 Plan
Restructuring Reserve
Beginning balance	0	0
Amounts charged to expense	57,986	0
Cash payments	(23,197)	0
Noncash activity	(8,661)	0
Ending balance	26,128	0	0
Prior Plan
Restructuring Reserve
Beginning balance	7,647	5,747
Amounts charged to expense	3,599	18,715
Cash payments	(11,246)	(15,406)
Noncash activity	0	(1,409)
Ending balance	$ 0	$ 7,647	$ 5,747