Earnings Per Share (EPS) (Tables)

12 Months Ended

Dec. 31, 2020

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table sets forth the computation of our basic and diluted EPS available to shareholders of common stock (excluding participating securities):


	2020		2019		2018
	(in millions, except per share data)
Numerator
Net loss attributable to AAM	$	(561.3)	$	(484.5)	$	(57.5)
Less: Net loss allocated to participating securities	—		—		—
Net loss attributable to common shareholders - Basic and Dilutive	$	(561.3)	$	(484.5)	$	(57.5)



Denominators
Basic common shares outstanding -
Weighted-average shares outstanding	117.9		115.6		115.0
Less: Participating securities	(4.8)		(3.3)		(3.4)
Weighted-average common shares outstanding	113.1		112.3		111.6

Effect of dilutive securities -

Dilutive stock-based compensation	—		—		—


Diluted shares outstanding -
Adjusted weighted-average shares after assumed conversions	113.1		112.3		111.6

Basic EPS	$	(4.96)	$	(4.31)	$	(0.51)

Diluted EPS	$	(4.96)	$	(4.31)	$	(0.51)