Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2015

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.

	Three Months Ended September 30, 2015						Three Months Ended September 30, 2014
	Income (Loss)			Average Shares	EPS		Income (Loss)			Average Shares	EPS
	(in millions, except per share amounts)
Net income attributable to Trinity Industries, Inc.	$	204.3					$	149.4
Unvested restricted share participation	(6.0		)				(4.7		)
Net income attributable to Trinity Industries, Inc. – basic	198.3			150.0	$	1.32	144.7			151.5	$	0.96
Effect of dilutive securities:
Stock options	—			—			—			0.1
Convertible subordinated notes	—			0.9			0.2			8.0
Net income attributable to Trinity Industries, Inc. – diluted	$	198.3		150.9	$	1.31	$	144.9		159.6	$	0.91

	Nine Months Ended September 30, 2015						Nine Months Ended September 30, 2014
	Income (Loss)			Average Shares	EPS		Income (Loss)			Average Shares	EPS
	(in millions, except per share amounts)
Net income attributable to Trinity Industries, Inc.	$	596.5					$	540.0
Unvested restricted share participation	(18.2		)				(17.8		)
Net income attributable to Trinity Industries, Inc. – basic	578.3			150.6	$	3.84	522.2			150.9	$	3.46
Effect of dilutive securities:
Stock options	—			—			—			0.1
Convertible subordinated notes	0.3			2.5			0.6			6.0
Net income attributable to Trinity Industries, Inc. – diluted	$	578.6		153.1	$	3.78	$	522.8		157.0	$	3.33