Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 158.1	$ 6.3	$ 284.4	$ 212.4
Other comprehensive loss, net of reclassification adjustments:
Foreign currency translation adjustments	(30.3)	(62.7)	(275.4)	(46.1)
Defined benefit pension plans, net of tax	3.4	2.8	10.3	8.8
Deferred gains and losses on derivatives, net of tax	(1.1)	(1.6)	3.9	(0.9)
Other comprehensive loss, net of reclassification adjustments	(28.0)	(61.5)	(261.2)	(38.2)
Comprehensive income (loss)	130.1	(55.2)	23.2	174.2
Comprehensive loss (income) attributable to noncontrolling interests	1.4	2.0	12.7	(0.4)
Comprehensive income (loss) attributable to AGCO Corporation and subsidiaries	$ 131.5	$ (53.2)	$ 35.9	$ 173.8