Acquisitions - Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Dec. 31, 2021	Sep. 15, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill from acquisition	$ 1,592.7		$ 1,294.9	$ 1,208.9
U-POL
Business Acquisition [Line Items]
Cash		$ 23.7
Accounts and notes receivable, net		22.5
Inventories		23.3
Prepaid expenses and other current assets, net		3.2
Property, plant and equipment, net		16.4
Identifiable intangible assets		274.0
Other assets		2.0
Accounts payable		(20.9)
Other accrued liabilities		(4.1)
Other liabilities		(0.9)
Deferred income taxes		(68.9)
Net assets before goodwill from acquisition		270.3
Goodwill from acquisition		349.5
Net assets acquired		619.8
U-POL | Previously Reported
Business Acquisition [Line Items]
Cash		23.7
Accounts and notes receivable, net		22.5
Inventories		23.3
Prepaid expenses and other current assets, net		3.2
Property, plant and equipment, net		16.5
Identifiable intangible assets		273.0
Other assets		2.0
Accounts payable		(20.9)
Other accrued liabilities		(3.9)
Other liabilities		(0.9)
Deferred income taxes		(68.4)
Net assets before goodwill from acquisition		270.1
Goodwill from acquisition		349.7
Net assets acquired		619.8
U-POL | Restatement Adjustment
Business Acquisition [Line Items]
Cash		0.0
Accounts and notes receivable, net		0.0
Inventories		0.0
Prepaid expenses and other current assets, net		0.0
Property, plant and equipment, net		(0.1)
Identifiable intangible assets		1.0
Other assets		0.0
Accounts payable		0.0
Other accrued liabilities		(0.2)
Other liabilities		0.0
Deferred income taxes		(0.5)
Net assets before goodwill from acquisition		0.2
Goodwill from acquisition		(0.2)
Net assets acquired		$ 0.0