Selected Quarterly Financial Data (Unadited) (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data (Unaudited)

	Three Months Ended
	March 31, 2013		June 30, 2013			September 30, 2013		December 31, 2013
	(in millions except per share data)
Revenues:
Manufacturing	$	798.5	$	896.5		$	959.7	$	1,065.2
Leasing	134.4		169.6			150.6		190.8
	932.9		1,066.1			1,110.3		1,256.0
Operating costs:
Costs of revenues:
Manufacturing	641.2		726.0			767.0		856.7
Leasing	69.9		86.2			69.3		106.0
	711.1		812.2			836.3		962.7
Selling, engineering, and administrative expenses	69.0		71.5			70.6		80.2
Gain on disposition of property, plant, and equipment	6.7		1.0			2.2		11.3
Operating profit	159.5		183.4			205.6		224.4
Net income from continuing operations	72.2		89.2			105.8		118.9
Discontinued operations, net of tax	6.6		(1.0		)	0.3		0.4
Net income	78.8		88.2			106.1		119.3
Net income attributable to Trinity Industries, Inc.	79.1		84.0			99.6		112.8
Net income (loss) attributable to Trinity Industries, Inc. per common share:
Basic:
Continuing operations	$	0.91	$	1.07		$	1.26	$	1.43
Discontinued operations	0.08		(0.01		)	—		0.01
	$	0.99	$	1.06		$	1.26	$	1.44
Diluted:
Continuing operations	$	0.91	$	1.07		$	1.26	$	1.43
Discontinued operations	0.08		(0.01		)	—		0.01
	$	0.99	$	1.06		$	1.26	$	1.44

	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	656.8			680.2		643.8		720.4
Leasing	73.4			112.1		84.3		80.5
	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