Commitments and Contingencies - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended	12 Months Ended
	Jun. 13, 2014	Feb. 03, 2014	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Sep. 30, 2019
Loss Contingencies [Line Items]
Common stock repurchase value	$ 130.0			$ 3,382.4	$ 3,336.5
Number of common stock shares repurchased (in shares)	3,932,244
Common stock repurchase (price per share)	$ 33.06
Settlement agreement (as defined therein) and tax deduction				1,490.0
U.S federal tax liability, decrease				525.0
Principal contractual obligations including agreements to purchase an estimated amount of goods, including raw materials, or services				86.2
Asset retirement obligation liabilities				10.7	10.5
Assets held for sale				1,141.9	1,036.2
Accretion expense				0.3	0.3	$ 0.3
Buildings
Loss Contingencies [Line Items]
Assets held for sale				3.6	3.6
Leasehold Improvements
Loss Contingencies [Line Items]
Assets held for sale				6.4	$ 6.9
WRG Asbestos PI Trust and WRG Asbestos PD Trust
Loss Contingencies [Line Items]
Original number of shares expected to be issued under settlement agreement, adjusted		18,000,000
Diversey Care | Transition Service Agreement
Loss Contingencies [Line Items]
Other receivables				$ 11.6
Diversey Care | Guarantee Obligation Under Clawback Agreement
Loss Contingencies [Line Items]
Contractual obligation							$ 49.2
North American Foam Trays And Absorbent Pads
Loss Contingencies [Line Items]
Proceeds from sale of businesses		$ 929.7	$ 59.0