Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions		Dec. 31, 2017	Dec. 31, 2016
Non-current assets held for sale	[1]	$ 0.0	$ 2,015.1
Non-current liabilities held for sale	[1]	0.0	517.2
Allowance for doubtful accounts		6.5	8.4
Inventory reserves		$ 15.5	$ 13.4
Preferred stock, par value per share (in dollars per share)		$ 0.10	$ 0.10
Preferred stock, shares authorized		50,000,000	50,000,000
Preferred stock, shares issued		0	0
Common stock, par value per share (in dollars per share)		$ 0.10	$ 0.10
Common stock, shares authorized		400,000,000	400,000,000
Common stock, shares issued		230,080,944	227,638,738
Common stock, shares outstanding		168,595,521	193,482,383
Common stock in treasury, shares		61,485,423	34,156,355
Restatement Adjustment
Non-current assets held for sale	[1]		$ (10.9)
Non-current liabilities held for sale			(16.3)
Diversey Care | Discontinued Operations, Held-for-sale
Deferred taxes			72.5
Diversey Care | Discontinued Operations, Held-for-sale | Restatement Adjustment
Deferred taxes			$ 27.2

[1] As of December 31, 2016, $27.2 million of amounts which were previously classified as $10.9 million of non-current assets held for sale and $16.3 million of non-current liabilities held for sale were reclassified to deferred tax assets since the amounts were not transferred as part of the sale of Diversey.