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Earnings Per Common Share (Tables)
12 Months Ended
Dec. 31, 2017
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, 2017
 
(in millions, except per share amounts)
 
Income
(Loss)
 
Average
Shares
 
EPS
Net income attributable to Trinity Industries, Inc.
$
702.5

 
 
 
 
Unvested restricted share participation
(15.4
)
 
 
 
 
Net income attributable to Trinity Industries, Inc. – basic
687.1

 
148.6

 
$
4.62

Effect of dilutive securities:
 
 
 
 
 
Nonparticipating unvested restricted shares and stock options

 
0.5

 
 
Convertible subordinated notes
0.3

 
2.9

 
 
Net income attributable to Trinity Industries, Inc. – diluted
$
687.4

 
152.0

 
$
4.52

 
Year Ended
December 31, 2016
 
(in millions, except per share amounts)
 
Income
(Loss)
 
Average
Shares
 
EPS
Net income attributable to Trinity Industries, Inc.
$
343.6

 
 
 
 
Unvested restricted share participation
(9.4
)
 
 
 
 
Net income attributable to Trinity Industries, Inc. – basic
334.2

 
148.4

 
$
2.25

Effect of dilutive securities:
 
 
 
 
 
Nonparticipating unvested restricted shares and stock options

 

 
 
Convertible subordinated notes

 
0.2

 
 
Net income attributable to Trinity Industries, Inc. – diluted
$
334.2

 
148.6

 
$
2.25

 
Year Ended
December 31, 2015
 
(in millions, except per share amounts)
 
Income
(Loss)
 
Average
Shares
 
EPS
Net income attributable to Trinity Industries, Inc.
$
796.5

 
 
 
 
Unvested restricted share participation
(24.1
)
 
 
 
 
Net income attributable to Trinity Industries, Inc. – basic
772.4

 
150.2

 
$
5.14

Effect of dilutive securities:
 
 
 
 
 
Nonparticipating unvested restricted shares and stock options

 

 
 
Convertible subordinated notes
0.3

 
2.0

 
 
Net income attributable to Trinity Industries, Inc. – diluted
$
772.7

 
152.2

 
$
5.08