Other Balance Sheet Items (Components Of Accounts Payable And Accrued Liabilities) (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Balance Sheet Related Disclosures [Abstract]
Accounts payable	$ 8.1	$ 10.6
Deposits	76.1	64.6
Accrued employee compensation	51.0	66.9
Taxes Payable	42.4	65.8
Interest Payable	15.1	19.5
accrued fees	13.9	12.6
customer incentives payable	11.4	8.9
Operating Lease, Liability, Current	4.7	5.2
Other accrued liabilities	2.6	3.7
Total accounts payable and accrued liabilities	$ 225.3	$ 257.8