Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Manufacturing	$ 643.7	$ 417.9	$ 1,738.2	$ 1,174.2
Leasing	153.1	122.1	413.3	362.9
Total Revenues	796.8	540.0	2,151.5	1,537.1
Cost of revenues:
Manufacturing	548.7	343.7	1,474.7	975.3
Leasing	82.7	63.8	217.2	198.3
Other	7.1	2.1	22.6	8.3
Total cost of revenues	638.5	409.6	1,714.5	1,181.9
Selling, engineering, and administrative expenses:
Manufacturing	35.8	33.7	103.2	99.6
Leasing	6.2	5.4	17.5	14.3
Other	11.5	9.6	30.6	28.7
Total selling, engineering, and administrative expenses	53.5	48.7	151.3	142.6
Gain on disposition of flood-damaged property, plant, and equipment	0.6	10.2	0.6	10.2
Total operating profit	105.4	91.9	286.3	222.8
Other (income) expense:
Interest income	(0.5)	(0.3)	(1.2)	(1.0)
Interest expense	47.9	45.3	136.2	136.3
Other, net	5.3	0.2	4.2	1.1
Nonoperating income (expense), total	52.7	45.2	139.2	136.4
Income before income taxes	52.7	46.7	147.1	86.4
Provision for income taxes	21.1	15.2	58.3	29.5
Net income	31.6	31.5	88.8	56.9
Net income (loss) attributable to noncontrolling interest	(0.3)	1.8	2.7	6.8
Net income attributable to Trinity Industries, Inc.	$ 31.9	$ 29.7	$ 86.1	$ 50.1
Net income attributable to Trinity Industries, Inc. per common share:
Basic	$ 0.40	$ 0.37	$ 1.07	$ 0.63
Diluted	$ 0.40	$ 0.37	$ 1.07	$ 0.63
Weighted average number of shares outstanding:
Basic	77.7	77.0	77.4	76.8
Diluted	77.9	77.1	77.7	76.9
Dividends declared per common share	$ 0.09	$ 0.08	$ 0.26	$ 0.24