Interim Financial Statements (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Unbilled receivables	$ 248,900		$ 301,700
Contract liabilities	157,100		170,600
Deferred revenue and customer advances	80,558		$ 81,459
Revenue recognized	$ 21,500	$ 28,900
Minimum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue expected timing of satisfaction, period	1 year
Maximum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue expected timing of satisfaction, period	5 years