Acquisitions - Business Acquisitions by Acquisition, Consideration (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Business Acquisition [Line Items]
Goodwill	$ 6,427.2	$ 6,064.2
Air Treatment
Business Acquisition [Line Items]
Accounts receivable	26.1
Inventories	43.9
Other current assets	2.2
Property, plant and equipment	18.4
Goodwill	276.7
Other intangible assets	238.6
Other assets	24.1
Total current liabilities	(35.6)
Deferred tax liabilities	(68.5)
Other noncurrent liabilities	(6.9)
Total consideration	519.0
All Others
Business Acquisition [Line Items]
Accounts receivable	5.9		$ 16.2
Inventories	12.5		20.4
Other current assets	0.5		1.3
Property, plant and equipment	2.7		8.9
Goodwill	75.2		151.9
Other intangible assets	18.4		43.0
Other assets	0.0		0.9
Total current liabilities	(6.5)		(30.7)
Deferred tax liabilities	0.0		(9.7)
Other noncurrent liabilities	(2.8)		(1.9)
Total consideration	105.9		200.3
Total
Business Acquisition [Line Items]
Accounts receivable	32.0
Inventories	56.4
Other current assets	2.7
Property, plant and equipment	21.1
Goodwill	351.9
Other intangible assets	257.0
Other assets	24.1
Total current liabilities	(42.1)
Deferred tax liabilities	(68.5)
Other noncurrent liabilities	(9.7)
Total consideration	$ 624.9
Dosatron International
Business Acquisition [Line Items]
Accounts receivable			1.8
Inventories			6.2
Other current assets			0.1
Property, plant and equipment			0.3
Goodwill			57.4
Other intangible assets			41.9
Other assets			13.8
Total current liabilities			(3.5)
Deferred tax liabilities			(13.8)
Other noncurrent liabilities			0.0
Total consideration			104.2
Total
Business Acquisition [Line Items]
Accounts receivable			18.0
Inventories			26.6
Other current assets			1.4
Property, plant and equipment			9.2
Goodwill			209.3
Other intangible assets			84.9
Other assets			14.7
Total current liabilities			(34.2)
Deferred tax liabilities			(23.5)
Other noncurrent liabilities			(1.9)
Total consideration			$ 304.5