Contract Assets and Liabilities (Narrative) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]
Contract with customer, asset, period decrease	$ 17,100,000
Contract with customer, asset, impairment loss	0	$ 0
Decrease in contract with customer, liability	11,500,000
Contract with customer, liability, revenue recognized	$ 14,400,000	$ 5,000,000