Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data (Unaudited)

Selected Quarterly Financial Data (Unaudited)

	Three Months Ended
	March 31, 2016		June 30, 2016		September 30, 2016		December 31, 2016
	(in millions except per share data)
Revenues:
Manufacturing	$	1,010.1	$	888.8	$	938.5	$	926.0
Leasing	177.8		296.1		173.2		177.8
	1,187.9		1,184.9		1,111.7		1,103.8
Operating costs:
Costs of revenues:
Manufacturing	793.9		719.1		745.4		761.2
Leasing	96.0		178.6		81.9		80.0
	889.9		897.7		827.3		841.2
Selling, engineering, and administrative expenses	96.5		106.7		102.3		101.9
Gains on disposition of property	1.9		11.1		1.5		2.9
Operating profit	203.4		191.6		183.6		163.6
Net income	102.1		98.8		89.6		74.2
Net income attributable to Trinity Industries, Inc.	97.2		94.6		84.2		67.6
Net income attributable to Trinity Industries, Inc. per common share:
Basic	$	0.64	$	0.62	$	0.55	$	0.44
Diluted	$	0.64	$	0.62	$	0.55	$	0.44

	Three Months Ended
	March 31, 2015		June 30, 2015		September 30, 2015		December 31, 2015
	(in millions except per share data)
Revenues:
Manufacturing	$	1,382.5	$	1,445.4	$	1,295.6	$	1,177.6
Leasing	244.2		231.4		246.6		369.4
	1,626.7		1,676.8		1,542.2		1,547.0
Operating costs:
Costs of revenues:
Manufacturing	1,084.5		1,101.8		976.0		881.6
Leasing	126.6		117.8		133.4		234.5
	1,211.1		1,219.6		1,109.4		1,116.1
Selling, engineering, and administrative expenses	98.3		114.4		126.6		137.1
Gains on disposition of property	15.8		40.1		58.7		64.2
Operating profit	333.1		382.9		364.9		358.0
Net income	189.0		220.8		212.2		204.0
Net income attributable to Trinity Industries, Inc.	180.2		212.0		204.3		200.0
Net income attributable to Trinity Industries, Inc. per common share:
Basic	$	1.15	$	1.36	$	1.32	$	1.30
Diluted	$	1.13	$	1.33	$	1.31	$	1.30