CONSOLIDATED STATEMENT OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net sales	$ 3,505.4	$ 3,470.9
Cost of sales (including special charges of (a))	2,096.7	2,072.3
Selling, general and administrative expenses	1,001.2	1,018.3
Special (gains) and charges	40.3	26.0
Operating income	367.2	354.3
Other (income) expense	(21.2)	(19.4)
Interest expense, net	49.4	56.4
Income before income taxes	339.0	317.3
Provision for income taxes	38.6	69.1
Net income including noncontrolling interest	300.4	248.2
Net income attributable to noncontrolling interest	3.9	0.9
Net income attributable to Ecolab	$ 296.5	$ 247.3
Earnings attributable to Ecolab per common share
Basic (in dollars per share)	$ 1.03	$ 0.86
Diluted (in dollars per share)	$ 1.01	$ 0.84
Weighted-average common shares outstanding
Basic (in shares)	288.2	288.6
Diluted (in shares)	292.3	292.7
Product and sold equipment
Net sales	$ 2,886.3	$ 2,859.6
Cost of sales (including special charges of (a))	1,717.1	1,696.2
Service and lease equipment
Net sales	619.1	611.3
Cost of sales (including special charges of (a))	$ 379.6	$ 376.1