Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 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):


	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2020		2019		2020		2019
	(in millions, except per share data)
Numerator
Net income (loss) attributable to AAM	$	(213.2)	$	52.5	$	(714.5)	$	94.1
Less: Net income attributable to participating securities	—		(1.5)		—		(2.7)


Net income (loss) attributable to common shareholders - Basic and Dilutive	$	(213.2)	$	51.0	$	(714.5)	$	91.4

Denominators
Basic common shares outstanding -
Weighted-average shares outstanding	118.4		115.8		117.4		115.6
Less: Participating securities	(5.3)		(3.3)		(4.5)		(3.4)
Weighted-average common shares outstanding	113.1		112.5		112.9		112.2

Effect of dilutive securities -
Dilutive stock-based compensation	—		0.3		—		0.4

Diluted shares outstanding -
Adjusted weighted-average shares after assumed conversions	113.1		112.8		112.9		112.6

Basic EPS	$	(1.88)	$	0.45	$	(6.33)	$	0.81

Diluted EPS	$	(1.88)	$	0.45	$	(6.33)	$	0.81