Acquisitions - Schedule of Severance Expense Recognized (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Combination Separately Recognized Transactions [Line Items]
Total severance expense	$ 31.3	$ 16.2	$ 21.9
Total Cost of Revenues
Business Combination Separately Recognized Transactions [Line Items]
Total severance expense	17.7	10.1	12.5
Total Cost of Revenues | Cost of software-enabled services
Business Combination Separately Recognized Transactions [Line Items]
Total severance expense	16.2	8.2	11.4
Total Cost of Revenues | Cost of license, maintenance and other related
Business Combination Separately Recognized Transactions [Line Items]
Total severance expense	1.5	1.9	1.1
Selling and Marketing
Business Combination Separately Recognized Transactions [Line Items]
Total severance expense	3.6	3.1	1.6
Research and Development
Business Combination Separately Recognized Transactions [Line Items]
Total severance expense	4.2	2.4	5.6
General and Administrative
Business Combination Separately Recognized Transactions [Line Items]
Total severance expense	5.8	0.6	2.2
Total Operating Expenses
Business Combination Separately Recognized Transactions [Line Items]
Total severance expense	$ 13.6	$ 6.1	$ 9.4