Restructuring Charges (Components of Restructuring Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		18 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025
Restructuring Cost and Reserve [Line Items]
Severance		$ 30,134		$ 33,004
Facilities and other		265		1,161
Total	$ 13,806	30,399	$ 15,206	34,165
Continuing Operations
Restructuring Cost and Reserve [Line Items]
Total				34,165
2024 Plan
Restructuring Cost and Reserve [Line Items]
Severance	12,978		13,810
Facilities and other	828		1,396
Total	$ 13,806		$ 15,206		$ 89,000
2024 Plan | Continuing Operations
Restructuring Cost and Reserve [Line Items]
Severance		24,065		24,065
Facilities and other		0		0
Total		24,065		24,065
2023 Plan | Continuing Operations
Restructuring Cost and Reserve [Line Items]
Severance		6,069		8,939
Facilities and other		265		1,161
Total		$ 6,334		$ 10,100