Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Computation of basic and diluted net income attributable to Trinity Industries, Inc.

The computation of basic and diluted net income attributable to Trinity Industries, Inc. follows.

	Year Ended December 31, 2018
	(in millions, except per share amounts)
	Income (Loss)			Average Shares	EPS
Net income from continuing operations attributable to Trinity Industries, Inc.	$	105.2
Unvested restricted share participation	(2.2		)
Net income from continuing operations attributable to Trinity Industries, Inc. – basic	103.0			144.0	$	0.72
Effect of dilutive securities:
Nonparticipating unvested restricted shares and stock options	—			1.0
Convertible subordinated notes	—			1.4
Net income from continuing operations attributable to Trinity Industries, Inc. – diluted	$	103.0		146.4	$	0.70
Net income from discontinued operations, net of taxes	$	54.1
Unvested restricted share participation	(0.6		)
Net income from discontinued operations, net of taxes – basic	53.5			144.0	$	0.37
Effect of dilutive securities:
Nonparticipating unvested restricted shares and stock options	—			1.0
Convertible subordinated notes	—			1.4
Net income from discontinued operations, net of taxes – diluted	$	53.5		146.4	$	0.37

	Year Ended December 31, 2017
	(in millions, except per share amounts)
	Income (Loss)			Average Shares	EPS
Net income from continuing operations attributable to Trinity Industries, Inc.	$	599.1
Unvested restricted share participation	(13.5		)
Net income from continuing operations attributable to Trinity Industries, Inc. – basic	585.6			148.6	$	3.94
Effect of dilutive securities:
Nonparticipating unvested restricted shares and stock options	—			0.5
Convertible subordinated notes	0.3			2.9
Net income from continuing operations attributable to Trinity Industries, Inc. – diluted	$	585.9		152.0	$	3.85
Net income from discontinued operations, net of taxes	$	103.4
Unvested restricted share participation	(1.9		)
Net income from discontinued operations, net of taxes – basic	101.5			148.6	$	0.68
Effect of dilutive securities:
Nonparticipating unvested restricted shares and stock options	—			0.5
Convertible subordinated notes	—			2.9
Net income from discontinued operations, net of taxes – diluted	$	101.5		152.0	$	0.67

	Year Ended December 31, 2016
	(in millions, except per share amounts)
	Income (Loss)			Average Shares	EPS
Net income from continuing operations attributable to Trinity Industries, Inc.	$	182.1
Unvested restricted share participation	(5.8		)
Net income from continuing operations attributable to Trinity Industries, Inc. – basic	176.3			148.4	$	1.19
Effect of dilutive securities:
Nonparticipating unvested restricted shares and stock options	—			—
Convertible subordinated notes	—			0.2
Net income from continuing operations attributable to Trinity Industries, Inc. – diluted	$	176.3		148.6	$	1.19
Net income from discontinued operations, net of taxes	$	161.5
Unvested restricted share participation	(3.6		)
Net income from discontinued operations, net of taxes – basic	157.9			148.4	$	1.06
Effect of dilutive securities:
Nonparticipating unvested restricted shares and stock options	—			—
Convertible subordinated notes	—			0.2
Net income from discontinued operations, net of taxes – diluted	$	157.9		148.6	$	1.06