Consolidated Statements of Operations (unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Total revenues	$ 1,485.3	$ 1,066.1	$ 2,945.8	$ 1,999.0
Cost of revenues:
Total cost of revenues	1,098.3	812.2	2,172.3	1,523.3
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	96.4	71.5	180.0	140.5
Gains (losses) on disposition of property, plant, and equipment:
Net gains on railcar lease fleet sales owned more than one year at the time of sale	9.7	1.2	87.2	8.0
Other	1.7	(0.2)	12.6	(0.3)
Total gains on disposition of property, plant, and equipment	11.4	1.0	99.8	7.7
Total operating profit	302.0	183.4	693.3	342.9
Other (income) expense:
Interest income	(0.7)	(0.4)	(1.1)	(0.8)
Interest expense	46.9	46.5	93.2	95.7
Other, net	(1.4)	0.9	(1.8)	(1.8)
Total other (income) expense	44.8	47.0	90.3	93.1
Income from continuing operations before income taxes	257.2	136.4	603.0	249.8
Provision for income taxes	83.9	47.2	196.4	88.4
Net income from continuing operations	173.3	89.2	406.6	161.4
Discontinued operations:
Gain on sale of discontinued operations, net of provision for income taxes of $-, $-, $- and $5.4	0	0.1	0	7.1
Loss from discontinued operations, net of benefit for income taxes of $-, $0.5, $0.2 and $0.8	(0.2)	(1.1)	(0.5)	(1.5)
Net income	173.1	88.2	406.1	167.0
Net income attributable to noncontrolling interest	8.9	4.2	15.5	3.9
Net income attributable to Trinity Industries, Inc.	164.2	84.0	390.6	163.1
Basic:
Continuing operations (in dollars per share)	$ 1.05	$ 0.53	$ 2.51	$ 0.99
Discontinued operations (in dollars per share)	$ 0.00	$ (0.01)	$ 0.00	$ 0.04
Basic (in dollars per share)	$ 1.05	$ 0.52	$ 2.51	$ 1.03
Diluted:
Continuing operations (in dollars per share)	$ 1.01	$ 0.53	$ 2.43	$ 0.99
Discontinued operations (in dollars per share)	$ 0.00	$ (0.01)	$ 0.00	$ 0.04
Diluted (in dollars per share)	$ 1.01	$ 0.52	$ 2.43	$ 1.03
Weighted average number of shares outstanding:
Basic (in shares)	151.0	154.0	150.5	154.0
Diluted (in shares)	157.4	154.1	155.6	154.2
Dividends declared per common share (in dollars per share)	$ 0.1	$ 0.065	$ 0.175	$ 0.12
Manufacturing
Revenues:
Total revenues	1,259.9	896.5	2,278.2	1,695.0
Cost of revenues:
Total cost of revenues	970.2	726.0	1,764.9	1,367.2
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	56.0	47.1	105.5	89.8
Leasing
Revenues:
Total revenues	225.4	169.6	667.6	304.0
Cost of revenues:
Total cost of revenues	128.1	86.2	407.4	156.1
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	10.7	8.9	21.7	18.6
Other
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	$ 29.7	$ 15.5	$ 52.8	$ 32.1