Segment and Geographic Area Information - Schedule of Revenue by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net revenues	$ 1,430.9	$ 1,350.3	$ 1,310.8	$ 1,279.8	$ 1,256.6	$ 1,232.1	$ 1,189.8	$ 1,155.3	$ 5,371.8	$ 4,833.8	$ 4,022.4
Application Software
Segment Reporting Information [Line Items]
Net revenues									2,639.5	2,366.7	1,785.8
Network Software
Segment Reporting Information [Line Items]
Net revenues									1,378.5	1,223.8	1,069.4
Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									1,353.8	1,243.3	1,167.2
Canada
Segment Reporting Information [Line Items]
Net revenues									222.3	198.1	180.7
Canada | Application Software
Segment Reporting Information [Line Items]
Net revenues									57.8	51.2	43.4
Canada | Network Software
Segment Reporting Information [Line Items]
Net revenues									95.9	85.2	73.6
Canada | Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									68.6	61.7	63.7
Europe
Segment Reporting Information [Line Items]
Net revenues									424.6	432.7	379.8
Europe | Application Software
Segment Reporting Information [Line Items]
Net revenues									241.2	248.2	205.5
Europe | Network Software
Segment Reporting Information [Line Items]
Net revenues									65.7	59.2	50.7
Europe | Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									117.7	125.3	123.6
Asia
Segment Reporting Information [Line Items]
Net revenues									73.3	64.0	59.8
Asia | Application Software
Segment Reporting Information [Line Items]
Net revenues									4.9	3.7	3.3
Asia | Network Software
Segment Reporting Information [Line Items]
Net revenues									12.2	10.9	10.9
Asia | Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									56.2	49.4	45.6
Rest of the world
Segment Reporting Information [Line Items]
Net revenues									86.3	81.1	88.7
Rest of the world | Application Software
Segment Reporting Information [Line Items]
Net revenues									35.1	37.1	37.7
Rest of the world | Network Software
Segment Reporting Information [Line Items]
Net revenues									7.5	6.5	6.0
Rest of the world | Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									43.7	37.5	45.0
Non-U.S.
Segment Reporting Information [Line Items]
Net revenues									806.5	775.9	709.0
Non-U.S. | Application Software
Segment Reporting Information [Line Items]
Net revenues									339.0	340.2	289.9
Non-U.S. | Network Software
Segment Reporting Information [Line Items]
Net revenues									181.3	161.8	141.2
Non-U.S. | Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									$ 286.2	$ 273.9	$ 277.9