Revenue - Schedule of Activity of Contract Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	$ 26.3	$ 24.6	$ 23.4	[1]
Capitalized contract cost, Additions	3.9	4.0	3.3
Capitalized contract cost, Amortization	(2.5)	(2.3)	(2.1)
Capitalized contract cost, net, ending Balance	27.7	26.3	24.6
Fulfillment Costs [Member]
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	5.2	5.0	4.8	[1]
Capitalized contract cost, Additions	0.5	0.6	0.6
Capitalized contract cost, Amortization	(0.5)	(0.4)	(0.4)
Capitalized contract cost, net, ending Balance	5.2	5.2	5.0
Costs of Acquisition [Member]
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	21.1	19.6	18.6	[1]
Capitalized contract cost, Additions	3.4	3.4	2.7
Capitalized contract cost, Amortization	(2.0)	(1.9)	(1.7)
Capitalized contract cost, net, ending Balance	$ 22.5	$ 21.1	$ 19.6

[1] The beginning balance includes amounts transferred from the Disposal Group for fulfillment costs and costs of acquisition of $0.9 million and $0.3 million, respectively.