Segment and Geographic Area Information - Schedule of Revenue by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net revenues	$ 1,613.5	$ 1,563.4	$ 1,531.2	$ 1,469.7	$ 1,430.9	$ 1,350.3	$ 1,310.8	$ 1,279.8	$ 6,177.8	$ 5,371.8	$ 4,833.8
Application Software
Segment Reporting Information [Line Items]
Net revenues									3,186.9	2,639.5	2,366.7
Network Software
Segment Reporting Information [Line Items]
Net revenues									1,439.4	1,378.5	1,223.8
Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									1,551.5	1,353.8	1,243.3
Canada
Segment Reporting Information [Line Items]
Net revenues									254.6	222.3	198.1
Canada | Application Software
Segment Reporting Information [Line Items]
Net revenues									63.7	57.8	51.2
Canada | Network Software
Segment Reporting Information [Line Items]
Net revenues									99.5	95.9	85.2
Canada | Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									91.4	68.6	61.7
Europe
Segment Reporting Information [Line Items]
Net revenues									453.2	424.6	432.7
Europe | Application Software
Segment Reporting Information [Line Items]
Net revenues									260.7	241.2	248.2
Europe | Network Software
Segment Reporting Information [Line Items]
Net revenues									64.2	65.7	59.2
Europe | Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									128.3	117.7	125.3
Asia
Segment Reporting Information [Line Items]
Net revenues									75.1	73.3	64.0
Asia | Application Software
Segment Reporting Information [Line Items]
Net revenues									4.6	4.9	3.7
Asia | Network Software
Segment Reporting Information [Line Items]
Net revenues									14.6	12.2	10.9
Asia | Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									55.9	56.2	49.4
Rest of the world
Segment Reporting Information [Line Items]
Net revenues									90.5	86.3	81.1
Rest of the world | Application Software
Segment Reporting Information [Line Items]
Net revenues									34.6	35.1	37.1
Rest of the world | Network Software
Segment Reporting Information [Line Items]
Net revenues									9.2	7.5	6.5
Rest of the world | Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									46.7	43.7	37.5
Non-U.S.
Segment Reporting Information [Line Items]
Net revenues									873.4	806.5	775.9
Non-U.S. | Application Software
Segment Reporting Information [Line Items]
Net revenues									363.6	339.0	340.2
Non-U.S. | Network Software
Segment Reporting Information [Line Items]
Net revenues									187.5	181.3	161.8
Non-U.S. | Technology Enabled Products
Segment Reporting Information [Line Items]
Net revenues									$ 322.3	$ 286.2	$ 273.9