Capitalized Contract Costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Capitalized Contract Cost [Line Items]
Deferred commissions and costs to fulfill a contract - amortization expense	$ 5.1	$ 7.7	$ 21.5	$ 20.4
Costs to fulfill contract	38.8		38.8		$ 56.2
Deferred Commissions
Capitalized Contract Cost [Line Items]
Deferred commissions	4.1		4.1		$ 6.7
Deferred commissions and costs to fulfill a contract - amortization expense	$ 0.5	$ 0.6	$ 2.4	$ 2.2