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Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income (loss)	$ (213.2)	$ 52.7	$ (714.4)	$ 94.4
Other comprehensive income (loss)
Defined benefit plans, net of tax	1.7	1.1	3.3	1.8
Foreign currency translation adjustments	4.8	4.9	(44.0)	2.4
Changes in cash flow hedges, net of tax	8.7	(15.8)	(26.0)	(18.3)
Other comprehensive income (loss)	15.2	(9.8)	(66.7)	(14.1)
Comprehensive income (loss)	(198.0)	42.9	(781.1)	80.3
Net income attributable to noncontrolling interests	0.0	(0.2)	(0.1)	(0.3)
Foreign currency translation adjustments attributable to noncontrolling interests	0.0	0.0	0.3	0.0
Comprehensive income (loss) attributable to AAM	$ (198.0)	$ 42.7	$ (780.9)	$ 80.0

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