Condensed Consolidated Financial Statement Details - Other Non-Current Assets (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Contract assets, net	$ 98.0	$ 80.2
Property records database	60.6	60.6
Right-of-use assets	29.0	32.9
Deferred compensation plan related assets	22.7	25.2
Contract credits	22.9	23.6
Prepaid expenses	5.8	4.5
Other	2.2	3.3
Other non-current assets	$ 241.2	$ 230.3