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Commitments and Contingencies d (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended		6 Months Ended
	Jun. 13, 2014	Feb. 03, 2014	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Share repurchased, value	$ 130.0		$ 3,346.3		$ 3,346.3		$ 3,382.4
Number of shares repurchased (in shares)	3,932,244		0	1,154,047	0	1,560,633
Shares acquired, average price per share (in usd per share)	$ 33.06
Tax settlement deductions under examination			$ 1,490.0		$ 1,490.0
Decrease in liability from prior year			$ 525.0		$ 525.0
William Russell Grace Asbestos PI Trust and William Russell Grace Asbestos PD Trust
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Original number of shares expected to be issued under settlement agreement adjusted		18,000,000
Diversey \| Guarantee Obligation Under Clawback Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Contractual obligation							$ 49.2
North American Foam Trays and Absorbent Pads
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business		$ 929.7