Significant Accounting Policies Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) Months	Dec. 31, 2021 USD ($)
Number of months or less of maturity to be considered cash equivalent | Months	3
Allowance for doubtful accounts receivable, current	$ 2.5	$ 2.3
Unbilled receivables,current	$ 117.4	$ 98.1