Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net sales	$ 2,214.7	$ 1,986.3	$ 6,759.8	$ 5,779.1
Cost of goods sold	1,741.0	1,557.7	5,301.8	4,544.8
Gross profit	473.7	428.6	1,458.0	1,234.3
Selling, general and administrative expenses	260.5	233.2	796.9	690.5
Engineering expenses	83.3	80.1	267.2	230.0
Restructuring expenses	1.5	3.0	10.1	8.5
Amortization of intangibles	15.3	14.3	49.2	41.5
Bad debt expense	1.8	0.9	4.7	2.7
Income from operations	111.3	97.1	329.9	261.1
Interest expense, net	7.0	11.6	38.5	33.6
Other expense, net	19.1	18.5	57.8	49.2
Income before income taxes and equity in net earnings of affiliates	85.2	67.0	233.6	178.3
Income tax provision	23.9	16.9	73.8	64.9
Income before equity in net earnings of affiliates	61.3	50.1	159.8	113.4
Equity in net earnings of affiliates	9.4	10.7	26.3	30.8
Net income	70.7	60.8	186.1	144.2
Net loss (income) attributable to noncontrolling interests	0.4	(0.1)	0.7	(2.1)
Net income attributable to AGCO Corporation and subsidiaries	$ 71.1	$ 60.7	$ 186.8	$ 142.1
Net income per common share attributable to AGCO Corporation and subsidiaries:
Basic, in dollars per share	$ 0.90	$ 0.76	$ 2.36	$ 1.79
Diluted, in dollars per share	0.89	0.76	2.33	1.77
Cash dividends declared and paid per common share, in dollars per share	$ 0.15	$ 0.14	$ 0.45	$ 0.42
Weighted average number of common and common equivalent shares outstanding:
Basic, shares	78.7	79.5	79.2	79.5
Diluted, shares	79.7	80.2	80.1	80.1