Condensed Consolidated Statements of Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Revenue	$ 1,250.0	$ 1,192.1
Costs and Expenses
Costs of sales and services	688.5	647.4
Gross margin	561.5	544.7
Selling, general and administrative expenses	189.4	183.9
Research and development expenses	67.3	71.2
Restructuring and other charges (income)	13.4	7.8
Total costs and expenses	958.6	910.3
Income from continuing operations before non-operating pension and postretirement charges (income), interest expense, net and income taxes	291.4	281.8
Non-operating pension and postretirement charges (income)	2.2	3.4
Interest expense, net	40.8	34.5
Income (loss) from continuing operations before income taxes	248.4	243.9
Provision (benefit) for income taxes	34.7	36.3
Income (loss) from continuing operations	213.7	207.6
Discontinued operations, net of income taxes	(7.5)	9.6
Net income (loss)	206.2	217.2
Less: Net income (loss) attributable to noncontrolling interests	0.0	1.5
Net income (loss) attributable to FMC stockholders	206.2	215.7
Amounts attributable to FMC stockholders:
Continuing operations, net of income taxes	213.7	206.1
Discontinued operations, net of income taxes	(7.5)	9.6
Net income (loss) attributable to FMC stockholders	$ 206.2	$ 215.7
Basic earnings (loss) per common share attributable to FMC stockholders:
Continuing operations (in USD per share)	$ 1.65	$ 1.56
Discontinued operations (in USD per share)	(0.06)	0.07
Net income (loss) attributable to FMC stockholders (in USD per share)	1.59	1.63
Diluted earnings (loss) per common share attributable to FMC stockholders:
Continuing operations (in USD per share)	1.64	1.55
Discontinued operations (in USD per share)	(0.06)	0.07
Net income (loss) attributable to FMC stockholders (in USD per share)	$ 1.58	$ 1.62