Consolidated Statements of Operations (unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Total revenues	$ 1,460.5	$ 932.9
Cost of revenues:
Total cost of revenues	1,074.0	711.1
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	83.6	69.0
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	77.5	6.8
Other	10.9	(0.1)
Total gains on disposition of property, plant, and equipment	88.4	6.7
Total operating profit	391.3	159.5
Other (income) expense:
Interest income	(0.4)	(0.4)
Interest expense	46.3	49.2
Other, net	(0.4)	(2.7)
Other (income) expense, total	45.5	46.1
Income from continuing operations before income taxes	345.8	113.4
Provision for income taxes	112.5	41.2
Net income from continuing operations	233.3	72.2
Discontinued operations:
Gain on sale of discontinued operations, net of provision for income taxes of $- and $5.4	0	7.0
Loss from discontinued operations, net of benefit for income taxes of $0.2 and $0.3	(0.3)	(0.4)
Net income	233.0	78.8
Net income (loss) attributable to noncontrolling interest	6.6	(0.3)
Net income attributable to Trinity Industries, Inc.	226.4	79.1
Basic:
Continuing operations (in dollars per share)	$ 2.91	$ 0.91
Discontinued operations (in dollars per share)	$ 0.00	$ 0.08
Basic (in dollars per share)	$ 2.91	$ 0.99
Diluted:
Continuing operations (in dollars per share)	$ 2.85	$ 0.91
Discontinued operations (in dollars per share)	$ 0.00	$ 0.08
Diluted (in dollars per share)	$ 2.85	$ 0.99
Weighted average number of shares outstanding:
Basic (in shares)	75.1	76.9
Diluted (in shares)	77.0	77.0
Dividends declared per common share (in dollars per share)	$ 0.15	$ 0.11
Manufacturing
Revenues:
Total revenues	1,018.3	798.5
Cost of revenues:
Total cost of revenues	794.7	641.2
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	49.5	42.7
Leasing
Revenues:
Total revenues	442.2	134.4
Cost of revenues:
Total cost of revenues	279.3	69.9
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	11.0	9.7
Other
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	$ 23.1	$ 16.6