Net (Loss) Income Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Basic net (loss) income per share:
Net income attributable to AGCO Corporation and subsidiaries	$ (10.1)	$ 7.8
Weighted average number of common shares outstanding, shares	79.5	83.0
Basic net income per share attributable to AGCO Corporation and subsidiaries, dollars per share	$ (0.13)	$ 0.09
Diluted net (loss) income per share:
Dilutive SSARs, performance share awards and restricted stock awards, shares	0.0	0.1
Weighted average number of common shares and common share equivalents outstanding for purposes of computing diluted income per share, shares	79.5	83.1
Diluted net income per share attributable to AGCO Corporation and subsidiaries, dollars per share	$ (0.13)	$ 0.09
Total shares excluded from computation of earnings per share	0.6
Stock Appreciation Rights (SARs) [Member]
Diluted net (loss) income per share:
SSARs excluded from earnings per share computation, shares	0.3	1.5