Revenue - Schedule of Activity of Contract Assets (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	$ 29.2
Capitalized contract cost, Additions	4.0
Capitalized contract cost, Amortization	(5.1)
Capitalized contract cost, net, ending Balance	28.1
Fulfillment Costs [Member]
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	12.1
Capitalized contract cost, Additions	1.4
Capitalized contract cost, Amortization	(2.7)
Capitalized contract cost, net, ending Balance	10.8
Cost of Acquisition [Member]
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	17.1
Capitalized contract cost, Additions	2.6
Capitalized contract cost, Amortization	(2.4)
Capitalized contract cost, net, ending Balance	17.3
Entertainment and Communications [Member]
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	22.8
Capitalized contract cost, Additions	3.2
Capitalized contract cost, Amortization	(4.1)
Capitalized contract cost, net, ending Balance	21.9
Entertainment and Communications [Member] | Fulfillment Costs [Member]
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	8.0
Capitalized contract cost, Additions	0.9
Capitalized contract cost, Amortization	(2.1)
Capitalized contract cost, net, ending Balance	6.8
Entertainment and Communications [Member] | Cost of Acquisition [Member]
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	14.8
Capitalized contract cost, Additions	2.3
Capitalized contract cost, Amortization	(2.0)
Capitalized contract cost, net, ending Balance	15.1
IT Services and Hardware [Member]
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	6.4
Capitalized contract cost, Additions	0.8
Capitalized contract cost, Amortization	(1.0)
Capitalized contract cost, net, ending Balance	6.2
IT Services and Hardware [Member] | Fulfillment Costs [Member]
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	4.1
Capitalized contract cost, Additions	0.5
Capitalized contract cost, Amortization	(0.6)
Capitalized contract cost, net, ending Balance	4.0
IT Services and Hardware [Member] | Cost of Acquisition [Member]
Contract Asset [Roll Forward]
Capitalized contract cost, net, beginning balance	2.3
Capitalized contract cost, Additions	0.3
Capitalized contract cost, Amortization	(0.4)
Capitalized contract cost, net, ending Balance	$ 2.2