Acquisitions - Schedule of Business Acquisitions by Acquisition, Consideration (Details) - USD ($) $ in Millions	Sep. 30, 2024	Jun. 03, 2024	Dec. 31, 2023
Business Acquisition [Line Items]
Goodwill	$ 8,206.2		$ 6,609.7
Acquisitions In 2024
Business Acquisition [Line Items]
Accounts receivable	81.2
Inventories	129.2
Other current assets	51.3
Property, plant and equipment	115.0
Goodwill	1,576.0
Other intangible assets	1,091.5
Other assets	21.7
Total current liabilities	(75.4)
Deferred tax liabilities	(197.5)
Other noncurrent liabilities	(25.9)
Total consideration	2,767.1
ILC Dover
Business Acquisition [Line Items]
Accounts receivable	41.5
Inventories	86.6
Other current assets	50.2
Property, plant and equipment	92.6
Goodwill	1,310.1	$ 1,310.1
Other intangible assets	974.7
Other assets	15.8
Total current liabilities	(34.1)
Deferred tax liabilities	(170.2)
Other noncurrent liabilities	(17.5)
Total consideration	2,349.7
Friulair
Business Acquisition [Line Items]
Accounts receivable	14.2
Inventories	13.2
Other current assets	0.5
Property, plant and equipment	7.2
Goodwill	68.6
Other intangible assets	84.5
Other assets	0.0
Total current liabilities	(11.0)
Deferred tax liabilities	(24.6)
Other noncurrent liabilities	(2.8)
Total consideration	149.8
All Others
Business Acquisition [Line Items]
Accounts receivable	25.5		11.7
Inventories	29.4		21.0
Other current assets	0.6		6.2
Property, plant and equipment	15.2		5.0
Goodwill	197.3		126.7
Other intangible assets	32.3		25.4
Other assets	5.9		0.4
Total current liabilities	(30.3)		(19.5)
Deferred tax liabilities	(2.7)		(3.9)
Other noncurrent liabilities	(5.6)		(4.5)
Total consideration	$ 267.6		168.5
Acquisitions In 2023
Business Acquisition [Line Items]
Accounts receivable			52.3
Inventories			99.1
Other current assets			11.2
Property, plant and equipment			65.4
Goodwill			512.2
Other intangible assets			380.9
Other assets			11.1
Total current liabilities			(82.3)
Deferred tax liabilities			(58.7)
Other noncurrent liabilities			(13.7)
Total consideration			977.5
Air Treatment
Business Acquisition [Line Items]
Accounts receivable			26.1
Inventories			43.9
Other current assets			2.1
Property, plant and equipment			18.4
Goodwill			279.9
Other intangible assets			238.6
Other assets			7.6
Total current liabilities			(35.9)
Deferred tax liabilities			(54.8)
Other noncurrent liabilities			(6.9)
Total consideration			519.0
Roots
Business Acquisition [Line Items]
Accounts receivable			14.5
Inventories			34.2
Other current assets			2.9
Property, plant and equipment			42.0
Goodwill			105.6
Other intangible assets			116.9
Other assets			3.1
Total current liabilities			(26.9)
Deferred tax liabilities			0.0
Other noncurrent liabilities			(2.3)
Total consideration			$ 290.0