Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data (Unaudited)

Selected Quarterly Financial Data (Unaudited)

	Three Months Ended
	March 31, 2012			June 30, 2012		September 30, 2012		December 31, 2012
	(in millions except per share data)
Revenues:
Manufacturing	$	754.1		$	803.2	$	748.0	$	862.2
Leasing	142.1			192.3		159.3		150.7
	896.2			995.5		907.3		1,012.9
Operating costs:
Costs of revenues:
Manufacturing	645.7			665.8		630.7		707.7
Leasing	73.4			112.1		84.3		80.5
Other	11.1			14.4		13.1		12.7
	730.2			792.3		728.1		800.9
Selling, engineering, and administrative expenses	50.7			53.0		55.8		64.6
Gain on disposition of property, plant, and equipment	7.4			2.3		17.3		11.5
Operating profit	122.7			152.5		140.7		158.9
Net income from continuing operations	52.4			66.1		62.4		71.0
Discontinued operations, net of tax	(0.1		)	1.4		0.7		(0.2		)
Net income	52.3			67.5		63.1		70.8
Net income attributable to Trinity Industries, Inc.	52.9			67.8		63.2		71.3
Net income attributable to Trinity Industries, Inc. per common share:
Basic:
Continuing operations	$	0.66		$	0.82	$	0.79	$	0.90
Discontinued operations	—			0.02		0.01		—
	$	0.66		$	0.84	$	0.80	$	0.90
Diluted:
Continuing operations	$	0.66		$	0.82	$	0.79	$	0.90
Discontinued operations	—			0.02		0.01		—
	$	0.66		$	0.84	$	0.80	$	0.90

	Three Months Ended
	March 31, 2011			June 30, 2011		September 30, 2011		December 31, 2011
	(in millions except per share data)
Revenues:
Manufacturing	$	473.3		$	546.1	$	609.2	$	758.3
Leasing	119.8			128.2		147.4		156.0
	593.1			674.3		756.6		914.3
Operating costs:
Costs of revenues:
Manufacturing	393.0			466.8		518.3		661.2
Leasing	60.5			63.3		78.6		87.9
Other	8.1			7.4		7.1		5.3
	461.6			537.5		604.0		754.4
Selling, engineering, and administrative expenses	45.8			43.7		50.0		54.5
Gain on disposition of property, plant, and equipment	1.6			2.3		2.0		34.1
Operating profit	87.3			95.4		104.6		139.5
Net income from continuing operations	26.8			31.6		31.1		57.3
Discontinued operations, net of tax	(1.2		)	0.0		0.5		(0.4		)
Net income	25.6			31.6		31.6		56.9
Net income attributable to Trinity Industries, Inc.	24.2			30.0		31.9		56.1
Net income (loss) attributable to Trinity Industries, Inc. per common share:
Basic:
Continuing operations	$	0.32		$	0.37	$	0.39	$	0.71
Discontinued operations	(0.02		)	—		0.01		(0.01		)
	$	0.30		$	0.37	$	0.40	$	0.70
Diluted:
Continuing operations	$	0.32		$	0.37	$	0.39	$	0.71
Discontinued operations	(0.02		)	—		0.01		(0.01		)
	$	0.30		$	0.37	$	0.40	$	0.70

Amounts previously reported have been adjusted to reflect discontinued operations resulting from the expected sale of the Company's ready-mix concrete operations. See Note 2 Acquisitions and Divestitures.