Summary of Significant Accounting Policies Receivables (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Credit Loss [Abstract]
Accounts Receivable, Credit Loss Expense (Reversal)	$ 1.3
Allowance for Loan and Lease Loss, Recovery of Bad Debts	0.5
Allowance for Loan and Lease Losses, Write-offs	0.2
Accounts Receivable, Allowance for Credit Loss	$ 11.1	$ 10.6