Other Balance Sheet Items (Components Of Accounts Payable And Accrued Liabilities) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Accounts payable	$ 6.6	$ 9.8
Accrued employee compensation	71.8	37.4
Taxes Payable	36.7	59.0
Interest Payable	24.6	19.5
Deposits	71.9	72.0
accrued fees	14.2	12.7
customer incentives payable	5.3	7.1
Other accrued liabilities	8.1	9.0
Total accounts payable and accrued liabilities	$ 239.2	$ 226.5