Revenue - Schedule of Activity of Contract Assets (Details) - USD ($) $ in Millions	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2021	Sep. 07, 2021	Dec. 31, 2023	Dec. 31, 2022
Capitalized Contract Cost [Line Items]
Capitalized contract cost, net, beginning balance (remeasured upon Merger)	$ 0.0			$ 5.0
Capitalized contract cost, net, beginning balance	24.6	$ 26.8	$ 18.2
Capitalized contract cost, Additions	5.4	12.7	17.1	17.7
Capitalized contract cost, Amortization	(0.4)	(14.9)	(8.5)	(4.5)
Capitalized contract cost, net, ending Balance (remeasured upon Merger)	5.0	0.0
Capitalized contract cost, net, ending Balance		24.6	26.8	18.2
Fulfillment Costs [Member]
Capitalized Contract Cost [Line Items]
Capitalized contract cost, net, beginning balance (remeasured upon Merger)	0.0			1.4
Capitalized contract cost, net, beginning balance	5.4	7.4	5.2
Capitalized contract cost, Additions	1.5	5.1	4.2	4.8
Capitalized contract cost, Amortization	(0.1)	(7.1)	(2.2)	(1.0)
Capitalized contract cost, net, ending Balance (remeasured upon Merger)	1.4	0.0
Capitalized contract cost, net, ending Balance		5.4	7.2	5.2
Cost of Acquisition [Member]
Capitalized Contract Cost [Line Items]
Capitalized contract cost, net, beginning balance (remeasured upon Merger)	0.0			3.6
Capitalized contract cost, net, beginning balance	19.2	19.4	13.0
Capitalized contract cost, Additions	3.9	7.6	12.9	12.9
Capitalized contract cost, Amortization	(0.3)	(7.8)	(6.3)	(3.5)
Capitalized contract cost, net, ending Balance (remeasured upon Merger)	3.6	0.0
Capitalized contract cost, net, ending Balance		19.2	19.6	13.0
Operating Segments [Member] | Network [Member]
Capitalized Contract Cost [Line Items]
Capitalized contract cost, net, beginning balance (remeasured upon Merger)	0.0			4.0
Capitalized contract cost, net, beginning balance	17.1	19.3	14.5
Capitalized contract cost, Additions	4.2	9.7	14.0	13.5
Capitalized contract cost, Amortization	(0.2)	(11.9)	(6.3)	(3.0)
Capitalized contract cost, net, ending Balance (remeasured upon Merger)	4.0	0.0
Capitalized contract cost, net, ending Balance		17.1	22.2	14.5
Operating Segments [Member] | Network [Member] | Fulfillment Costs [Member]
Capitalized Contract Cost [Line Items]
Capitalized contract cost, net, beginning balance (remeasured upon Merger)	0.0			0.7
Capitalized contract cost, net, beginning balance	0.8	3.5	2.5
Capitalized contract cost, Additions	0.7	2.5	2.2	2.2
Capitalized contract cost, Amortization	0.0	(5.2)	(0.8)	(0.4)
Capitalized contract cost, net, ending Balance (remeasured upon Merger)	0.7	0.0
Capitalized contract cost, net, ending Balance		0.8	3.9	2.5
Operating Segments [Member] | Network [Member] | Cost of Acquisition [Member]
Capitalized Contract Cost [Line Items]
Capitalized contract cost, net, beginning balance (remeasured upon Merger)	0.0			3.3
Capitalized contract cost, net, beginning balance	16.3	15.8	12.0
Capitalized contract cost, Additions	3.5	7.2	11.8	11.3
Capitalized contract cost, Amortization	(0.2)	(6.7)	(5.5)	(2.6)
Capitalized contract cost, net, ending Balance (remeasured upon Merger)	3.3	0.0
Capitalized contract cost, net, ending Balance		16.3	18.3	12.0
Operating Segments [Member] | IT Services and Hardware [Member]
Capitalized Contract Cost [Line Items]
Capitalized contract cost, net, beginning balance (remeasured upon Merger)	0.0			1.0
Capitalized contract cost, net, beginning balance	7.5	7.5	3.7
Capitalized contract cost, Additions	1.2	3.0	3.1	4.2
Capitalized contract cost, Amortization	(0.2)	(3.0)	(2.2)	(1.5)
Capitalized contract cost, net, ending Balance (remeasured upon Merger)	1.0	0.0
Capitalized contract cost, net, ending Balance		7.5	4.6	3.7
Operating Segments [Member] | IT Services and Hardware [Member] | Fulfillment Costs [Member]
Capitalized Contract Cost [Line Items]
Capitalized contract cost, net, beginning balance (remeasured upon Merger)	0.0			0.7
Capitalized contract cost, net, beginning balance	4.6	3.9	2.7
Capitalized contract cost, Additions	0.8	2.6	2.0	2.6
Capitalized contract cost, Amortization	(0.1)	(1.9)	(1.4)	(0.6)
Capitalized contract cost, net, ending Balance (remeasured upon Merger)	0.7	0.0
Capitalized contract cost, net, ending Balance		4.6	3.3	2.7
Operating Segments [Member] | IT Services and Hardware [Member] | Cost of Acquisition [Member]
Capitalized Contract Cost [Line Items]
Capitalized contract cost, net, beginning balance (remeasured upon Merger)	0.0			0.3
Capitalized contract cost, net, beginning balance	2.9	3.6	1.0
Capitalized contract cost, Additions	0.4	0.4	1.1	1.6
Capitalized contract cost, Amortization	(0.1)	(1.1)	(0.8)	(0.9)
Capitalized contract cost, net, ending Balance (remeasured upon Merger)	$ 0.3	0.0
Capitalized contract cost, net, ending Balance		$ 2.9	$ 1.3	$ 1.0