Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2021

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):


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
	(in millions, except per share data)
Numerator
Net income (loss) attributable to AAM	$	(2.4)	$	117.2	$	52.2	$	(597.3)
Less: Net income attributable to participating securities	—		(5.1)		(2.0)		—


Net income (loss) attributable to common shareholders - Basic and Dilutive	$	(2.4)	$	112.1	$	50.2	$	(597.3)

Denominators
Basic common shares outstanding -
Weighted-average shares outstanding	118.5		118.4		118.5		117.7
Less: Participating securities	(4.4)		(5.1)		(4.6)		(4.7)
Weighted-average common shares outstanding	114.1		113.3		113.9		113.0

Effect of dilutive securities -
Dilutive stock-based compensation	—		—		0.2		—

Diluted shares outstanding -
Adjusted weighted-average shares after assumed conversions	114.1		113.3		114.1		113.0

Basic EPS	$	(0.02)	$	0.99	$	0.44	$	(5.28)

Diluted EPS	$	(0.02)	$	0.99	$	0.44	$	(5.28)