Restructuring and Other Related Charges (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Impairment charges	$ 11,600,000
Operating lease impairment charge	9,100,000
Operating lease right-of use assets	2,500,000
Restructuring and other related charges	10,563,000	$ 0	$ 22,537,000	$ 0
Accrued restructuring costs	22,330,000		22,330,000		$ 111,874,000
Accrued liabilities
Restructuring Cost and Reserve [Line Items]
Accrued restructuring costs	20,100,000		20,100,000		108,000,000
Other Noncurrent Liabilities
Restructuring Cost and Reserve [Line Items]
Accrued restructuring costs	2,200,000		2,200,000		$ 3,900,000
2022 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	$ 10,600,000		$ 22,500,000