Restructuring Charges and Asset Impairments (Components of Restructuring Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Severance	$ 10,007		$ 34,029
Facilities and other	6,571		8,591
Total	16,578		42,620	$ 12,672
The 2023 Plan
Restructuring Cost and Reserve [Line Items]
Severance	10,007		30,972
Facilities and other	6,571		8,049
Total	16,578		39,021	0
Prior Plan
Restructuring Cost and Reserve [Line Items]
Severance	0	$ 2,846	3,057	9,223
Facilities and other	0	1,418	542	3,449
Total	$ 0	$ 4,264	$ 3,599	$ 12,672