Restructuring Charges (Components of Restructuring Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Restructuring Cost and Reserve [Line Items]
Total	$ 30,694	$ 13,942	$ 64,859	$ 34,768
Continuing Operations
Restructuring Cost and Reserve [Line Items]
Severance	30,403	8,190	63,345	27,769
Facilities and other	291	5,752	1,514	6,999
Total	30,694	13,942	64,859	34,768
2024 Plan
Restructuring Cost and Reserve [Line Items]
Total	36,000
2024 Plan | Continuing Operations
Restructuring Cost and Reserve [Line Items]
Severance	30,403		53,947
Facilities and other	291		291
Total	30,694		54,238
2023 Plan | Continuing Operations
Restructuring Cost and Reserve [Line Items]
Severance	0	8,190	9,398	24,712
Facilities and other	0	5,752	1,223	6,457
Total	$ 0	13,942	$ 10,621	31,169
Prior Plan | Continuing Operations
Restructuring Cost and Reserve [Line Items]
Severance		0		3,057
Facilities and other		0		542
Total		$ 0		$ 3,599