Summary of Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Schedule of Weighted Average Diluted Shares Outstanding

The effects of potential common stock were determined using the treasury stock method:

	Year ended December 31,
	2023	2022	2021
Basic weighted average shares outstanding	106.6	105.9	105.3
Effect of potential common stock:
Common stock awards	0.8	0.9	1.2
Diluted weighted average shares outstanding	107.4	106.8	106.5

Schedule of Property, Plant and Equipment

Depreciation and amortization are provided for using principally the straight-line method over the estimated useful lives of the assets as follows:

Buildings	20 - 30 years
Machinery and other equipment	8 - 12 years
Computer equipment and software	3 - 5 years

The components of property, plant and equipment at December 31 were as follows:

	2023		2022
Land	$	1.0	$	1.0
Buildings and leasehold improvements	57.7		43.0
Machinery and other equipment	137.2		113.2
Computer equipment	116.4		107.5
Software	76.1		71.9
Property, plant and equipment, gross	388.4		336.6
Accumulated depreciation	(268.8)		(251.3)
Property, plant and equipment, net	$	119.6	$	85.3

Schedule of Disaggregated Revenue

See details in the tables below:

	Year ended December 31, 2023
Revenue stream	Application Software		Network Software		Technology Enabled Products		Total
Software related
Recurring	$	2,454.3	$	1,039.5	$	17.3	$	3,511.1
Reoccurring	137.8		263.4		—		401.2
Non-recurring	594.8		136.5		1.5		732.8
Total Software Revenue	3,186.9		1,439.4		18.8		4,645.1
Product Revenue	—		—		1,532.7		1,532.7
Total Revenue	$	3,186.9	$	1,439.4	$	1,551.5	$	6,177.8

	Year ended December 31, 2022
Revenue stream	Application Software		Network Software		Technology Enabled Products		Total
Software related
Recurring	$	1,946.0	$	981.4	$	12.0	$	2,939.4
Reoccurring	124.2		246.2		—		370.4
Non-recurring	569.3		150.9		1.2		721.4
Total Software Revenue	2,639.5		1,378.5		13.2		4,031.2
Product Revenue	—		—		1,340.6		1,340.6
Total Revenue	$	2,639.5	$	1,378.5	$	1,353.8	$	5,371.8

	Year ended December 31, 2021
Revenue stream	Application Software		Network Software		Technology Enabled Products		Total
Software related
Recurring	$	1,708.0	$	837.5	$	7.8	$	2,553.3
Reoccurring	111.4		249.5		—		360.9
Non-recurring	547.3		136.8		0.8		684.9
Total Software Revenue	2,366.7		1,223.8		8.6		3,599.1
Product Revenue	—		—		1,234.7		1,234.7
Total Revenue	$	2,366.7	$	1,223.8	$	1,243.3	$	4,833.8