Acquisitions - Summary of Aggregate Preliminary Estimates of Fair Value of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Apr. 18, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Current assets		$ 3.8
Goodwill	$ 8,580.2	48.3	$ 8,919.4	$ 8,983.1
Other assets		4.9
Total assets acquired		112.1
Current liabilities		1.1
Total liabilities assumed		1.1
Net assets acquired		111.0
2020 Acquisitions [Member]
Business Acquisition [Line Items]
Current assets	30.5
Goodwill	172.6
Other assets	5.1
Total assets acquired	450.3
Current liabilities	4.6
Deferred income taxes	42.0
Total liabilities assumed	46.6
Net assets acquired	403.7
Technology [Member]
Business Acquisition [Line Items]
Intangible assets subject to amortization:		42.8
Technology [Member] | 2020 Acquisitions [Member]
Business Acquisition [Line Items]
Intangible assets subject to amortization:	147.9
Trademarks and trade names [Member] | 2020 Acquisitions [Member]
Business Acquisition [Line Items]
Intangible assets subject to amortization:	1.5
Customer relationships [Member]
Business Acquisition [Line Items]
Intangible assets subject to amortization:		$ 12.3
Customer relationships [Member] | 2020 Acquisitions [Member]
Business Acquisition [Line Items]
Intangible assets subject to amortization:	$ 92.7