Summary of Accounting Policies - Narrative (Details) shares in Thousands, $ in Millions		1 Months Ended	12 Months Ended
	Aug. 04, 2023 USD ($)	Nov. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) reporting_unit shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares	Nov. 22, 2022 USD ($)
Summary Of Accounting Policies [Line Items]
Cash equivalents, at carrying value			$ 0.9	$ 0.4
Antidilutive securities excluded from computation of earnings per share (in shares) | shares			419	726	834
Cash paid, net of cash acquired			$ 3,612.9	$ 2,052.7	$ 4,280.1
Proceeds from sale of equity investment			245.6	0.0	0.0
Income taxes			417.9	374.7	296.4
Equity investments gain, net			$ 234.6	165.4	0.0
Number of reporting units | reporting_unit			23
Goodwill			$ 19,312.9	17,118.8	15,946.1
Research, development and engineering costs			748.1	646.1	529.8
Allowance for doubtful accounts receivable and sales returns and allowances net current			21.6	22.2
Deferred commission, current			40.5	35.0
Deferred commission, non-current			50.0	36.7
Deferred commissions expense			32.2	29.3	$ 30.7
Remaining performance obligations			4,754.9
Capitalized computer software, net			$ 116.9	102.6
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Summary Of Accounting Policies [Line Items]
Remaining performance obligations, percentage (as a percent)			65.00%
Remaining performance obligations, expected timing of revenue recognition			12 months
Software licenses
Summary Of Accounting Policies [Line Items]
Subscription term (in years)			1 year
Minimum
Summary Of Accounting Policies [Line Items]
Goodwill			$ 17.5
Minimum | Software licenses
Summary Of Accounting Policies [Line Items]
Number of days for payment (in days)			30 days
Minimum | PCS
Summary Of Accounting Policies [Line Items]
Number of days for payment (in days)			30 days
Minimum | Engineered products
Summary Of Accounting Policies [Line Items]
Number of days for payment (in days)			30 days
Maximum
Summary Of Accounting Policies [Line Items]
Goodwill			$ 3,363.7
Maximum | Software licenses
Summary Of Accounting Policies [Line Items]
Number of days for payment (in days)			60 days
Maximum | PCS
Summary Of Accounting Policies [Line Items]
Number of days for payment (in days)			60 days
Maximum | Engineered products
Summary Of Accounting Policies [Line Items]
Number of days for payment (in days)			60 days
Certinia Inc.
Summary Of Accounting Policies [Line Items]
Proceeds from sale of equity investment			$ 245.6
Equity investments gain, net			$ (9.8)	(5.2)
Equity method investment fair value				$ 119.8
Indicor
Summary Of Accounting Policies [Line Items]
Equity method investment, ownership percentage			45.50%	47.30%		49.00%
Equity investments gain, net			$ 96.4	$ 140.9
Equity method investment fair value						$ 535.0
Certinia Inc.
Summary Of Accounting Policies [Line Items]
Equity method investment, ownership percentage	18.20%
Cash paid, net of cash acquired	$ 125.0
Equity method investment, realized gain (loss) on disposal		$ 135.6
Certinia Inc. | Disposal group, disposed of by sale, not discontinued operations
Summary Of Accounting Policies [Line Items]
Income taxes		$ 30.2