Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 160.2	$ 264.0	$ 404.2
Defined benefit pension plans, net of taxes:
Prior service cost arising during the year	(2.6)	(4.7)	0.0
Net loss recognized due to settlement	0.4	0.2	0.4
Net gain recognized due to curtailment	(0.1)	0.0	(0.4)
Net actuarial (loss) gain arising during the year	(62.9)	2.1	(54.8)
Amortization of prior service cost included in net periodic pension cost	1.1	0.4	0.6
Amortization of net actuarial losses included in net periodic pension cost	8.6	6.3	7.3
Derivative adjustments:
Net changes in fair value of derivatives	(7.7)	(4.6)	(1.4)
Net losses reclassified from accumulated other comprehensive loss into income	1.0	2.7	1.5
Foreign currency translation adjustments	82.4	(558.2)	(349.3)
Other comprehensive income (loss), net of reclassification adjustments	20.2	(555.8)	(396.1)
Comprehensive income (loss)	180.4	(291.8)	8.1
Comprehensive (income) loss attributable to noncontrolling interests	(1.7)	4.5	6.5
Comprehensive income (loss) attributable to AGCO Corporation and subsidiaries	$ 178.7	$ (287.3)	$ 14.6