10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

(Mark One)
þ	QUARTERLY REPORT PURSUANT TO SECTION 13OR 15(d) OF THE SECURITIES EXCHANGE ACTOF 1934

FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2014

	OR
¨	TRANSITION REPORT PURSUANT TOSECTION 13 OR 15(d) OF THESECURITIES EXCHANGE ACT OF 1934

For the transition period from _________ to _________ .

Commission File Number 1-6903

Trinity Industries, Inc.

(Exact name of registrant as specified in its charter)

Delaware	75-0225040
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)
2525 N. Stemmons Freeway, Dallas, Texas	75207-2401
(Address of principal executive offices)	(Zip Code)

(214) 631-4420

(Registrant's telephone number, including area code)

Indicate by check mark whether the Registrant (1) has filed all reports requiredto be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 duringthe preceding 12 months (or for such shorter period that the Registrant wasrequired to file such reports), and (2) has been subject to such filingrequirements for the past 90 days.  Yes þ No ¨

Indicate by check mark whether the registrant has submitted electronically and postedon its corporate Web site, if any, every Interactive Data File required to besubmitted and posted pursuant to Rule 405 of Regulation S-T(§ 232.405 of this chapter) during the preceding 12 months (or for suchshorter period that the registrant was required to submit and post suchfiles).  Yes þ No ¨

Indicate by check mark whether the registrant is a large accelerated filer, anaccelerated filer, a non-accelerated filer, or a smaller reporting company. See thedefinitions of “large accelerated filer,” “accelerated filer” and “smaller reportingcompany” in Rule 12b-2 of the Exchange Act.

Large accelerated filer þAccelerated filer ¨ Non-accelerated filer ¨Smaller reporting company ¨

(Do not check if a smaller reporting company)

Indicate by check mark whether the Registrant is a shellcompany (as defined in Rule 12b-2 of the Exchange Act).  Yes ¨ No þ

At July 15, 2014 the number of shares of common stock outstanding was 156,060,454.

1

TRINITY INDUSTRIES, INC.

FORM 10-Q

TABLE OF CONTENTS

Caption	Page
PART I FINANCIAL INFORMATION
Item 1. Financial Statements	3
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations	31
Item 3. Quantitative and Qualitative Disclosures About Market Risk	47
Item 4. Controls and Procedures	47
PART II OTHER INFORMATION
Item 1. Legal Proceedings	48
Item 1A. Risk Factors	48
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	48
Item 3. Defaults Upon Senior Securities	48
Item 4. Mine Safety Disclosures	48
Item 5. Other Information	48
Item 6. Exhibits	49
SIGNATURES	50
CERTIFICATIONS

All share and per share information, including dividends, has been retroactively adjusted to reflect the 2-for-1 stock split, except for the statement of stockholders' equity which reflects the stock split by reclassifying from "Capital in Excess of Par Value" to "Common Stock" an amount equal to the par value of the additional shares issued to effect the stock split.

2

PART I

Item 1. Financial Statements

Trinity Industries, Inc. and Subsidiaries

Consolidated Statements of Operations

(unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions, except per share amounts)
Revenues:
Manufacturing	$	1,259.9		$	896.5		$	2,278.2		$	1,695.0
Leasing	225.4			169.6			667.6			304.0
	1,485.3			1,066.1			2,945.8			1,999.0
Operating costs:
Cost of revenues:
Manufacturing	970.2			726.0			1,764.9			1,367.2
Leasing	128.1			86.2			407.4			156.1
	1,098.3			812.2			2,172.3			1,523.3
Selling, engineering, and administrative expenses:
Manufacturing	56.0			47.1			105.5			89.8
Leasing	10.7			8.9			21.7			18.6
Other	29.7			15.5			52.8			32.1
	96.4			71.5			180.0			140.5
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	9.7			1.2			87.2			8.0
Other	1.7			(0.2		)	12.6			(0.3		)
	11.4			1.0			99.8			7.7
Total operating profit	302.0			183.4			693.3			342.9
Other (income) expense:
Interest income	(0.7		)	(0.4		)	(1.1		)	(0.8		)
Interest expense	46.9			46.5			93.2			95.7
Other, net	(1.4		)	0.9			(1.8		)	(1.8		)
	44.8			47.0			90.3			93.1
Income from continuing operations before income taxes	257.2			136.4			603.0			249.8
Provision for income taxes	83.9			47.2			196.4			88.4
Net income from continuing operations	173.3			89.2			406.6			161.4
Discontinued operations:
Gain on sale of discontinued operations, net of provision for income taxes of $-, $-, $- and $5.4	—			0.1			—			7.1
Loss from discontinued operations, net of benefit for income taxes of $-, $0.5, $0.2 and $0.8	(0.2		)	(1.1		)	(0.5		)	(1.5		)
Net income	173.1			88.2			406.1			167.0
Net income attributable to noncontrolling interest	8.9			4.2			15.5			3.9
Net income attributable to Trinity Industries, Inc.	$	164.2		$	84.0		$	390.6		$	163.1
Net income attributable to Trinity Industries, Inc. per common share:
Basic:
Continuing operations	$	1.05		$	0.53		$	2.51		$	0.99
Discontinued operations	—			(0.01		)	—			0.04
	$	1.05		$	0.52		$	2.51		$	1.03
Diluted:
Continuing operations	$	1.01		$	0.53		$	2.43		$	0.99
Discontinued operations	—			(0.01		)	—			0.04
	$	1.01		$	0.52		$	2.43		$	1.03
Weighted average number of shares outstanding:
Basic	151.0			154.0			150.5			154.0
Diluted	157.4			154.1			155.6			154.2
Dividends declared per common share	$	0.100		$	0.065		$	0.175		$	0.120

See accompanying notes to consolidated financial statements.

3

Trinity Industries, Inc. and Subsidiaries

Consolidated Statements of Comprehensive Income

(unaudited)

	Three Months Ended June 30,					Six Months Ended June 30,
	2014			2013		2014			2013
	(in millions)
Net income	$	173.1		$	88.2	$	406.1		$	167.0
Other comprehensive income (loss):
Derivative financial instruments:
Unrealized gains/(losses) arising during the period, net of tax expense/(benefit) of $(0.1), $(0.1), $0.3 and $0.4	(0.6		)	1.5		(1.8		)	0.8
Reclassification adjustments for losses included in net income, net of tax benefit of $1.9, $2.0, $3.9 and $4.8	4.2			4.7		8.5			9.3
Defined benefit plans:
Amortization of net actuarial losses, net of tax benefit of $0.1, $0.5, $0.2 and $1.0	0.2			0.8		0.4			1.5
	3.8			7.0		7.1			11.6
Comprehensive income	176.9			95.2		413.2			178.6
Less: comprehensive income attributable to noncontrolling interest	9.5			5.9		16.8			6.3
Comprehensive income attributable to Trinity Industries, Inc.	$	167.4		$	89.3	$	396.4		$	172.3

See accompanying notes to consolidated financial statements.

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Trinity Industries, Inc. and Subsidiaries

Consolidated Balance Sheets

	June 30, 2014			December 31, 2013
	(unaudited)
	(in millions)
ASSETS
Cash and cash equivalents	$	715.3		$	428.5
Short-term marketable securities	218.5			149.7
Receivables, net of allowance	514.5			372.7
Inventories:
Raw materials and supplies	604.6			477.0
Work in process	307.8			201.4
Finished goods	110.1			136.3
	1,022.5			814.7
Restricted cash, including partially-owned subsidiaries of $90.6 and $77.1	248.5			260.7
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $2,259.9 and $1,887.2	6,240.4			6,275.8
Less accumulated depreciation, including partially-owned subsidiaries of $229.5 and $202.1	(1,569.7		)	(1,505.2		)
	4,670.7			4,770.6
Goodwill	365.4			278.2
Other assets	258.7			238.3
	$	8,014.1		$	7,313.4
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	$	293.0		$	216.3
Accrued liabilities	517.5			567.4
Debt:
Recourse, net of unamortized discount of $67.0 and $74.1	424.5			419.0
Non-recourse:
Wholly-owned subsidiaries	1,260.7			1,314.7
Partially-owned subsidiaries	1,557.3			1,256.1
	3,242.5			2,989.8
Deferred income	38.8			40.8
Deferred income taxes	647.0			650.7
Other liabilities	106.7			99.3
	4,845.5			4,564.3
Stockholders’ equity:
Preferred stock – 1.5 shares authorized and unissued	—			—
Common stock – 200.0 shares authorized	156.1			81.7
Capital in excess of par value	451.1			686.6
Retained earnings	2,233.4			1,870.0
Accumulated other comprehensive loss	(72.1		)	(78.2		)
Treasury stock	(1.0		)	(158.0		)
	2,767.5			2,402.1
Noncontrolling interest	401.1			347.0
	3,168.6			2,749.1
	$	8,014.1		$	7,313.4

See accompanying notes to consolidated financial statements.

5

Trinity Industries, Inc. and Subsidiaries

Consolidated Statements of Cash Flows

(unaudited)

	Six Months Ended June 30,
	2014			2013
	(in millions)
Operating activities:
Net income	$	406.1		$	167.0
Adjustments to reconcile net income to net cash provided by operating activities:
(Income) loss from discontinued operations	0.5			(5.6		)
Depreciation and amortization	111.0			102.4
Stock-based compensation expense	23.5			18.8
Excess tax benefits from stock-based compensation	(23.6		)	(7.8		)
Provision (benefit) for deferred income taxes	(19.6		)	30.7
Net gains on railcar lease fleet sales owned more than one year at the time of sale	(87.2		)	(8.0		)
(Gains) losses on disposition of property, plant, equipment, and other assets	(12.6		)	0.3
Non-cash interest expense	15.0			16.2
Other	(3.0		)	(5.7		)
Changes in assets and liabilities:
(Increase) decrease in receivables	(136.5		)	3.0
(Increase) decrease in inventories	(176.4		)	(37.4		)
(Increase) decrease in restricted cash	25.0			—
(Increase) decrease in other assets	(19.0		)	(29.0		)
Increase (decrease) in accounts payable	73.7			—
Increase (decrease) in accrued liabilities	(21.1		)	16.8
Increase (decrease) in other liabilities	1.2			4.7
Net cash provided by operating activities - continuing operations	157.0			266.4
Net cash provided by operating activities - discontinued operations	0.4			7.2
Net cash provided by operating activities	157.4			273.6
Investing activities:
(Increase) decrease in short-term marketable securities	(68.8		)	(59.9		)
Proceeds from railcar lease fleet sales owned more than one year at the time of sale	242.1			39.1
Proceeds from disposition of property, plant, equipment, and other assets	21.0			0.1
Capital expenditures – leasing, net of sold lease fleet railcars owned one year or less with a net cost of $257.6 and $15.5	(49.5		)	(308.5		)
Capital expenditures – manufacturing and other	(107.5		)	(57.4		)
Acquisitions, net of cash acquired	(118.8		)	(37.2		)
Other	0.4			(0.6		)
Net cash required by investing activities - continuing operations	(81.1		)	(424.4		)
Net cash required by investing activities - discontinued operations	(0.1		)	(0.5		)
Net cash required by investing activities	(81.2		)	(424.9		)
Financing activities:
Proceeds from issuance of common stock, net	0.4			1.6
Excess tax benefits from stock-based compensation	23.6			7.8
Payments to retire debt	(90.1		)	(177.4		)
Proceeds from issuance of debt	332.1			—
(Increase) decrease in restricted cash	(12.8		)	(3.8		)
Shares repurchased	(17.5		)	(40.2		)
Dividends paid to common shareholders	(23.2		)	(17.4		)
Purchase of shares to satisfy employee tax on vested stock	(38.1		)	(9.0		)
Proceeds from sale of interests in partially-owned leasing subsidiaries	—			294.9
Repurchase of noncontrolling interests in partially-owned leasing subsidiary	—			(84.0		)
Contributions from noncontrolling interest	49.6			—
Distributions to noncontrolling interest	(12.3		)	—
Other	(0.5		)	(5.6		)
Net cash provided (required) by financing activities - continuing operations	211.2			(33.1		)
Net cash required by financing activities - discontinued operations	(0.6		)	(0.6		)
Net cash provided (required) by financing activities	210.6			(33.7		)
Net increase (decrease) in cash and cash equivalents	286.8			(185.0		)
Cash and cash equivalents at beginning of period	428.5			573.0
Cash and cash equivalents at end of period	$	715.3		$	388.0

See accompanying notes to consolidated financial statements.

6

Trinity Industries, Inc. and Subsidiaries

Consolidated Statement of Stockholders' Equity

(unaudited)

	Common Stock														Treasury Stock
						Capital in Excess of Par Value			Retained Earnings			Accumulated Other Comprehensive Loss								Trinity Stockholders’ Equity			Noncontrolling Interest			Total Stockholders’ Equity
	Shares		$1 Par Value												Shares		Amount
	(in millions, except par value)
Balances at December 31, 2013	81.7		$	81.7		$	686.6		$	1,870.0		$	(78.2	)	(4.3	)	$	(158.0	)	$	2,402.1		$	347.0		$	2,749.1
Net income	—		—			—			390.6			—			—		—			390.6			15.5			406.1
Other comprehensive income	—		—			—			—			5.8			—		—			5.8			1.3			7.1
Cash dividends on common stock	—		—			—			(27.2		)	—			—		—			(27.2		)	—			(27.2		)
Restricted shares, net	—		—			(3.4		)	—			—			0.7		(11.2		)	(14.6		)	—			(14.6		)
Shares repurchased	—		—			—			—			—			(0.2	)	(12.5		)	(12.5		)	—			(12.5		)
Stock options exercised	—		—			(0.2		)	—			—			—		0.6			0.4			—			0.4
Excess tax benefits from stock-based compensation	—		—			23.7			—			—			—		—			23.7			—			23.7
Contributions from noncontrolling interest	—		—			—			—			—			—		—			—			49.6			49.6
Distributions to noncontrolling interest	—		—			—			—			—			—		—			—			(12.3		)	(12.3		)
Retirement of treasury stock	(3.7	)	(3.7		)	(176.6		)	—			—			3.7		180.3			—			—			—
Stock split	78.0		78.0			(78.0		)	—			—			—		—			—			—			—
Other	0.1		0.1			(1.0		)	—			0.3			—		(0.2		)	(0.8		)	—			(0.8		)
Balances at June 30, 2014	156.1		$	156.1		$	451.1		$	2,233.4		$	(72.1	)	(0.1	)	$	(1.0	)	$	2,767.5		$	401.1		$	3,168.6

See accompanying notes to consolidated financial statements.

7

Trinity Industries, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

Note 1. Summary of Significant Accounting Policies

Basis of Presentation

The foregoing consolidated financial statements are unaudited and have been prepared from the books and records of Trinity Industries, Inc. and its consolidated subsidiaries (“Trinity”, “Company”, “we”, or “our”) including the accounts of its wholly-owned subsidiaries and its partially-owned subsidiaries, TRIP Rail Holdings LLC (“TRIP Holdings”) and RIV 2013 Rail Holdings LLC ("RIV 2013"), in which the Company has a controlling interest. In our opinion, all normal and recurring adjustments necessary for a fair presentation of the financial position of the Company as of June 30, 2014, and the results of operations for the three and six months endedJune 30, 2014 and 2013, and cash flows for the six months endedJune 30, 2014 and 2013, have been made in conformity with generally accepted accounting principles. All significant intercompany accounts and transactions have been eliminated. Because of seasonal and other factors, the results of operations for the six months endedJune 30, 2014 may not be indicative of expected results of operations for the year ending December 31, 2014. These interim financial statements and notes are condensed as permitted by the instructions to Form 10-Q and should be read in conjunction with the audited consolidated financial statements of the Company included in its Form 10-K for the year endedDecember 31, 2013.

Stockholders' Equity

On May 5, 2014, the Company's Board of Directors authorized a 2-for-1 stock split on its common shares. The stock split was issued in the form of a 100% stock dividend. The additional shares were distributed on June 19, 2014, to shareholders of record at the close of business on June 5, 2014. All share and per share information, including dividends, has been retroactively adjusted to reflect the 2-for-1 stock split, except for the statement of stockholders' equity which will reflect the stock split by reclassifying from "Capital in Excess of Par Value" to "Common Stock" in the amount of $78.0 million, which equals the par value of the additional shares issued to effect the stock split.

In March 2014, the Company’s Board of Directors authorized a new $250 million share repurchase program that expires on December 31, 2015 and replaced the Company's previously authorized $200 million share repurchase program. Under the new program, 63,600 shares and 340,146 shares, respectively, were repurchased during the three and six months endedJune 30, 2014, at a cost of approximately $2.5 million and $12.5 million, respectively. During the three and six months endedJune 30, 2013, the Company repurchased 2,588,496 shares under the prior program at a cost of approximately $49.9 million. Certain shares of stock repurchased during June 2013, totaling $9.7 million, were cash settled in July 2013 in accordance with normal settlement practices.

Revenue Recognition

Revenues for contracts providing for a large number of units and few deliveries are recorded as the individual units are produced, inspected, and accepted by the customer as the risk of loss passes to the customer upon delivery acceptance on these contracts. This occurs primarily in the Rail and Inland Barge Groups. Revenue from rentals and operating leases, including contracts which contain non-level fixed rental payments, is recognized monthly on a straight-line basis. Revenue is recognized from the sales of railcars from the lease fleet on a gross basis in leasing revenues and cost of revenues if the railcar has been owned for one year or less at the time of sale. Sales of railcars from the lease fleet that have been owned for more than one year are recognized as a net gain or loss from the disposal of a long-term asset. Fees for shipping and handling are recorded as revenue. For all other products, we recognize revenue when products are shipped or services are provided.

Financial Instruments

The Company considers all highly liquid debt instruments to be either cash and cash equivalents if purchased with a maturity of three months or less, or short-term marketable securities if purchased with a maturity of more than three months and less than one year. The Company intends to hold its short-term marketable securities until they are redeemed at their maturity date and believes that under the "more likely than not" criteria, the Company will not be required to sell the securities before recovery of their amortized cost bases, which may be maturity.

Financial instruments that potentially subject the Company to a concentration of credit risk are primarily cash investments including restricted cash, short-term marketable securities, and receivables. The Company places its cash investments and short-term marketable securities in bank deposits and investment grade, short-term debt instruments and limits the amount of credit exposure to any one commercial issuer. Concentrations of credit risk with respect to receivables are limited due to control procedures that monitor the credit worthiness of customers, the large number of customers in the Company's customer base, and their dispersion across different industries and geographic areas. As receivables are generally unsecured, the Company maintains an allowance for

8

doubtful accounts based upon the expected collectibility of all receivables. Receivable balances determined to be uncollectible are charged against the allowance. The carrying values of cash, short-term marketable securities, receivables, and accounts payable are considered to be representative of their respective fair values.

Recent Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2014-09, "Revenue from Contracts with Customers," ("ASU 2014-09") providing common revenue recognition guidance for U.S. GAAP. Under ASU 2014-09, an entity recognizes revenue when it transfers promised goods or services to customers in an amount that reflects what it expects in exchange for the goods or services. It also requires additional detailed disclosures to enable users of financial statements to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers. ASU 2014-09 will become effective for public companies during interim and annual reporting periods beginning after December 15, 2016. Early application is not permitted. We are currently evaluating the impact this standard will have on our consolidated financial statements.

Reclassifications

Certain prior year balances have been reclassified in the consolidated statements of cash flows to conform to the 2014 presentation.

Note 2. Acquisitions and Divestitures

The Company's acquisition and divestiture activities are summarized below:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
	(in millions)
Acquisitions:
Purchase price	$	7.7	$	29.6	$	125.3	$	83.4
Net cash paid	$	6.2	$	28.1	$	118.8	$	37.2
Goodwill recorded	$	5.1	$	7.0	$	87.2	$	9.5
Divestitures:
Proceeds	$	—	$	—	$	—	$	35.6
Gain recognized	$	—	$	0.1	$	—	$	12.5
Goodwill charged off	$	—	$	—	$	—	$	4.8

During the six months endedJune 30, 2014, we completed the acquisition of three businesses in our Energy Equipment Group located in the U.S. and Canada and one business in our Construction Products Group located in the U.S. The acquisitions were recorded based on preliminary valuations of the related assets and liabilities at their acquisition date fair value using level three inputs. Such assets and liabilities were not significant in relation to assets and liabilities at the consolidated or segment level. See Note 3 Fair Value Accounting for a discussion of inputs in determining fair value.

During the six months endedJune 30, 2013, the Company sold its ready-mix concrete operations in exchange for certain aggregates operations. The divestiture has been accounted for and reported as a discontinued operation. Condensed results of operations for the ready-mix concrete operations for the three and six months endedJune 30, 2014 and 2013 are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Revenues	$	—		$	—		$	—		$	31.6
Loss from discontinued operations before income taxes	$	(0.2	)	$	(1.6	)	$	(0.7	)	$	(2.3	)
Income tax benefit	—			(0.5		)	(0.2		)	(0.8		)
Net loss from discontinued operations	$	(0.2	)	$	(1.1	)	$	(0.5	)	$	(1.5	)

9

In June 2014, Trinity entered into an agreement to acquire the assets of Meyer Steel Structures ("Meyer"), the utility steel structures division of Thomas & Betts Corporation, a member of the ABB Group, for approximately $600 million. Meyer is one of North America's leading providers of tubular steel structures for electricity transmission and distribution. The transaction is expected to close during the quarter ending September 30, 2014, subject to regulatory approval. The operations of Meyer will be included with the Company's Energy Equipment Group.

Note 3. Fair Value Accounting

Assets and liabilities measured at fair value on a recurring basis are summarized below:

	Fair Value Measurement as of June 30, 2014
	(in millions)
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	414.7	$	—	$	—	$	414.7
Restricted cash	248.5		—		—		248.5
Total assets	$	663.2	$	—	$	—	$	663.2
Liabilities:
Interest rate hedges:(1)
Wholly-owned subsidiaries	$	—	$	14.2	$	—	$	14.2
Partially-owned subsidiaries	—		2.3		—		2.3
Total liabilities	$	—	$	16.5	$	—	$	16.5
	Fair Value Measurement as of December 31, 2013
	(in millions)
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	230.6	$	—	$	—	$	230.6
Restricted cash	260.7		—		—		260.7
Total assets	$	491.3	$	—	$	—	$	491.3
Liabilities:
Interest rate hedges:(1)
Wholly-owned subsidiaries	$	—	$	21.7	$	—	$	21.7
Partially-owned subsidiaries	—		2.1		—		2.1
Total liabilities	$	—	$	23.8	$	—	$	23.8

⁽¹⁾ Included in accrued liabilities on the consolidated balance sheet.

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for that asset or liability in an orderly transaction between market participants on the measurement date. An entity is required to establish a fair value hierarchy that maximizes the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. The three levels of inputs that may be used to measure fair values are listed below:

Level 1 – This level is defined as quoted prices in active markets for identical assets or liabilities. The Company’s cash equivalents, excluding commercial paper, and restricted cash are instruments of the U.S. Treasury or highly-rated money market mutual funds.

Level 2 – This level is defined as observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Interest rate hedges are valued at exit prices obtained from each counterparty. See Note 7 Derivative Instruments and Note 11 Debt.

Level 3 – This level is defined as unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

10

The carrying amounts and estimated fair values of our long-term debt are as follows:

	June 30, 2014					December 31, 2013
	Carrying Value			Estimated Fair Value		Carrying Value			Estimated Fair Value
	(in millions)
Recourse:
Convertible subordinated notes	$	450.0		$	837.9	$	450.0		$	593.4
Less: unamortized discount	(67.0		)			(74.1		)
	383.0					375.9
Capital lease obligations	40.6			40.6		42.2			42.2
Other	0.9			0.9		0.9			0.9
	424.5			879.4		419.0			636.5
Non-recourse:
2006 secured railcar equipment notes	232.5			256.4		240.7			259.2
Promissory notes	382.0			376.9		396.1			389.6
2009 secured railcar equipment notes	194.1			233.5		199.0			229.5
2010 secured railcar equipment notes	320.1			351.8		326.9			342.7
TILC warehouse facility	132.0			132.0		152.0			152.0
TRL 2012 secured railcar equipment notes - RIV 2013	486.6			485.1		499.3			483.4
TRIP Master Funding secured railcar equipment notes	1,070.7			1,152.5		756.8			819.8
	2,818.0			2,988.2		2,570.8			2,676.2
Total	$	3,242.5		$	3,867.6	$	2,989.8		$	3,312.7

The estimated fair value of our convertible subordinated notes was based on a quoted market price in a market with little activity as of June 30, 2014 and December 31, 2013, respectively (Level 2 input). The estimated fair values of our 2006, 2009, 2010, and 2012 secured railcar equipment notes, promissory notes, and TRIP Rail Master Funding LLC (“TRIP Master Funding”) secured railcar equipment notes are based on our estimate of their fair value as of June 30, 2014 and December 31, 2013, respectively. These values were determined by discounting their future cash flows at the current market interest rate (Level 3 inputs). The carrying value of our Trinity Industries Leasing Company (“TILC”) warehouse facility approximates fair value because the interest rate adjusts to the market interest rate (Level 3 input). The fair values of all other financial instruments are estimated to approximate carrying value. See Note 11 Debt for a description of the Company's long-term debt.

11

Note 4. Segment Information

The Company reports operating results in five principal business segments: (1) the Rail Group, which manufactures and sells railcars and related parts and components; (2) the Construction Products Group, which manufactures and sells highway products and other steel products for infrastructure-related projects, and produces and sells aggregates; (3) the Inland Barge Group, which manufactures and sells barges and related products for inland waterway services; (4) the Energy Equipment Group, which manufactures and sells products for energy-related businesses, including structural wind towers, storage containers, transport trailers, tank heads for pressure and non-pressure vessels, and utility, traffic, and lighting structures; and (5) the Railcar Leasing and Management Services Group (“Leasing Group”), which owns and operates a fleet of railcars as well as provides third-party fleet management, maintenance, and leasing services. The segment All Other includes our captive insurance and transportation companies; legal, environmental, and maintenance costs associated with non-operating facilities; and other peripheral businesses. Gains and losses from the sale of property, plant, and equipment that are related to manufacturing and dedicated to the specific manufacturing operations of a particular segment are included in operating profit of that respective segment. Gains and losses from the sale of property, plant, and equipment that can be utilized by multiple segments are included in operating profit of the All Other segment.

Sales and related net profits from the Rail Group to the Leasing Group are recorded in the Rail Group and eliminated in consolidation. Sales between these groups are recorded at prices comparable to those charged to external customers, taking into consideration quantity, features, and production demand. Intersegment sales and net profit ("deferred profit") are eliminated in consolidation and reflected in the "Eliminations – Lease subsidiary" line in the table below. Amortization of deferred profit on railcars sold to the Leasing Group is included in the operating profit of the Leasing Group, resulting in the recognition of depreciation expense based on the Company's original manufacturing cost of the railcars. Sales of railcars from the lease fleet are included in the Leasing Group, with related gains and losses computed based on the net book value of the original manufacturing cost of the railcars.

The financial information from continuing operations for these segments is shown in the tables below. We operate principally in North America.

Three Months EndedJune 30, 2014

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	760.7	$	134.9		$	895.6		$	176.0
Construction Products Group	149.9		1.8			151.7			22.4
Inland Barge Group	165.4		—			165.4			30.9
Energy Equipment Group	183.2		44.4			227.6			28.3
Railcar Leasing and Management Services Group	225.4		6.1			231.5			102.4
All Other	0.7		27.4			28.1			(2.6		)
Segment Totals before Eliminations and Corporate	1,485.3		214.6			1,699.9			357.4
Corporate	—		—			—			(29.7		)
Eliminations – Lease subsidiary	—		(128.6		)	(128.6		)	(26.9		)
Eliminations – Other	—		(86.0		)	(86.0		)	1.2
Consolidated Total	$	1,485.3	$	—		$	1,485.3		$	302.0

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Three Months EndedJune 30, 2013

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	474.1	$	193.9		$	668.0		$	107.9
Construction Products Group	149.3		5.2			154.5			19.0
Inland Barge Group	150.0		—			150.0			20.9
Energy Equipment Group	121.4		31.1			152.5			14.3
Railcar Leasing and Management Services Group	169.6		—			169.6			75.7
All Other	1.7		20.0			21.7			(3.8		)
Segment Totals before Eliminations and Corporate	1,066.1		250.2			1,316.3			234.0
Corporate	—		—			—			(15.5		)
Eliminations – Lease subsidiary	—		(189.5		)	(189.5		)	(34.7		)
Eliminations – Other	—		(60.7		)	(60.7		)	(0.4		)
Consolidated Total	$	1,066.1	$	—		$	1,066.1		$	183.4

Six Months EndedJune 30, 2014

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	1,361.8	$	391.2		$	1,753.0		$	343.5
Construction Products Group	262.1		2.7			264.8			44.1
Inland Barge Group	302.3		—			302.3			57.6
Energy Equipment Group	350.2		88.0			438.2			51.2
Railcar Leasing and Management Services Group	667.6		7.0			674.6			332.7
All Other	1.8		49.5			51.3			(8.0		)
Segment Totals before Eliminations and Corporate	2,945.8		538.4			3,484.2			821.1
Corporate	—		—			—			(52.8		)
Eliminations – Lease subsidiary	—		(377.7		)	(377.7		)	(76.2		)
Eliminations – Other	—		(160.7		)	(160.7		)	1.2
Consolidated Total	$	2,945.8	$	—		$	2,945.8		$	693.3

Six Months EndedJune 30, 2013

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	897.7	$	395.8		$	1,293.5		$	210.8
Construction Products Group	247.3		11.0			258.3			26.7
Inland Barge Group	297.4		—			297.4			45.2
Energy Equipment Group	249.9		57.3			307.2			29.2
Railcar Leasing and Management Services Group	304.0		—			304.0			137.3
All Other	2.7		38.3			41.0			(6.4		)
Segment Totals before Eliminations and Corporate	1,999.0		502.4			2,501.4			442.8
Corporate	—		—			—			(32.1		)
Eliminations – Lease subsidiary	—		(387.5		)	(387.5		)	(67.1		)
Eliminations – Other	—		(114.9		)	(114.9		)	(0.7		)
Consolidated Total	$	1,999.0	$	—		$	1,999.0		$	342.9

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Note 5. Partially-Owned Leasing Subsidiaries

The Company, through its wholly-owned subsidiary, TILC, formed two subsidiaries, TRIP Holdings and RIV 2013, for the purpose of providing railcar leasing in North America. Each of TRIP Holdings and RIV 2013 are direct, partially-owned subsidiaries of TILC and are each governed by a seven-member board of representatives, two of whom are designated by TILC. TILC is the agent of each of TRIP Holdings and RIV 2013 and as such, has been delegated the authority, power, and discretion to take certain actions on behalf of the respective companies. Each of TRIP Holdings and RIV 2013 in turn has wholly-owned subsidiaries which are the owners of railcars. These wholly-owned subsidiaries are TRIP Master Funding (wholly-owned by TRIP Holdings) and Trinity Rail Leasing 2012 LLC ("TRL 2012", wholly-owned by RIV 2013). TILC is the contractual servicer for TRIP Master Funding and TRL 2012, with the authority to manage and service each entity's owned railcars. The Company's controlling interest in each of TRIP Holdings and RIV 2013 results from its combined role as both equity member and agent/servicer. The noncontrolling interest included in the accompanying consolidated balance sheets represents the non-Trinity equity interest in these partially-owned subsidiaries. The railcars owned by TRIP Master Funding were originally acquired from the Company's Rail and Leasing Groups by TRIP Rail Leasing LLC ("TRIP Leasing"), a wholly-owned subsidiary of TRIP Holdings. TRIP Master Funding acquired the railcars from TRIP Leasing in July 2011. TRIP Leasing currently owns no railcars and is not expected to acquire any railcars.

TRIP Holdings and RIV 2013, through TRIP Leasing and TRL 2012, respectively, acquired railcars from the Company's Rail and Leasing Groups funded by capital contributions from TILC and third-party equity investors, and from secured borrowings. Railcars purchased from the Company by TRIP Master Funding and TRL 2012 are required to be purchased at fair value as determined by TILC and approved by the boards of representatives of TRIP Holdings and RIV 2013, respectively. The assets of each of TRIP Master Funding and TRL 2012 may only be used to satisfy the particular subsidiary's liabilities, and the creditors of each of TRIP Master Funding and TRL 2012 have recourse only to the particular subsidiary's assets. Each of TILC and the third-party equity investors receive distributions from TRIP Holdings and RIV 2013, when allowed, in proportion to its respective equity interests, and has an interest in the net assets of the partially-owned subsidiaries upon a liquidation event in the same proportion. TILC is paid fees for the services it provides to TRIP Master Funding and TRL 2012 and has the potential to earn certain incentive fees. With respect to TRIP Holdings as of June 30, 2014, TILC has a commitment that expires in May 2016 to provide additional equity funding of up to $5.7 million for the purchase of railcars and satisfaction of certain other liabilities of TRIP Holdings. The third-party equity investors in TRIP Holdings have a similar commitment that expires in May 2016 to provide up to $12.9 million of additional equity funding. TILC and the third-party equity investors may have additional commitments to provide equity funding to TRIP Holdings that expire in May 2019 contingent upon certain returns on investment in TRIP Holdings and other conditions being met. Trinity has no obligation to guarantee performance under any of the partially-owned subsidiaries' (or their respective subsidiaries') debt agreements, guarantee any railcar residual values, shield any parties from losses, or guarantee minimum yields.

In May 2014, TILC and the third-party investors of TRIP Holdings contributed $21.6 million and $49.6 million, respectively, net of expenses, to TRIP Holdings. These contributions, combined with additional secured borrowings, were used to purchase additional railcar equipment from TILC. At June 30, 2014, the Company's carrying value of its investment in TRIP Holdings was $184.8 million, representing the Company's 43% ownership interest, while the Company's carrying value of its investment in RIV 2013 was $45.2 million, representing the Company's 31% interest. The Company's investments in its partially-owned leasing subsidiaries are eliminated in consolidation.

See Note 11 Debt regarding the debt of TRIP Holdings and RIV 2013 and their respective subsidiaries.

14

Note 6. Railcar Leasing and Management Services Group

The Railcar Leasing and Management Services Group owns and operates a fleet of railcars as well as provides third-party fleet management, maintenance, and leasing services. Selected consolidating financial information for the Leasing Group is as follows:

	June 30, 2014
	Leasing Group
	Wholly- Owned Subsidiaries		Partially-Owned Subsidiaries		Manufacturing/ Corporate			Total
	(in millions)
Cash, cash equivalents, and short-term marketable securities	$	3.3	$	—	$	930.5		$	933.8
Property, plant, and equipment, net	$	2,436.8	$	2,030.4	$	740.5		$	5,207.7
Net deferred profit on railcars sold to the Leasing Group								(537.0		)
Consolidated property, plant and equipment, net								$	4,670.7
Restricted cash	$	157.9	$	90.6	$	—		$	248.5
Debt:
Recourse	$	40.6	$	—	$	450.9		$	491.5
Less: unamortized discount	—		—		(67.0		)	(67.0		)
	40.6		—		383.9			424.5
Non-recourse	1,260.7		1,557.3		—			2,818.0
Total debt	$	1,301.3	$	1,557.3	$	383.9		$	3,242.5
Net deferred tax liabilities	$	647.8	$	0.1	$	(8.2	)	$	639.7

	December 31, 2013
	Leasing Group
	Wholly- Owned Subsidiaries		Partially-Owned Subsidiaries		Manufacturing/ Corporate			Total
	(in millions)
Cash, cash equivalents, and short-term marketable securities	$	3.5	$	—	$	574.7		$	578.2
Property, plant, and equipment, net	$	2,964.6	$	1,685.1	$	670.6		$	5,320.3
Net deferred profit on railcars sold to the Leasing Group								(549.7		)
Consolidated property, plant and equipment, net								$	4,770.6
Restricted cash	$	183.6	$	77.1	$	—		$	260.7
Debt:
Recourse	$	42.2	$	—	$	450.9		$	493.1
Less: unamortized discount	—		—		(74.1		)	(74.1		)
	42.2		—		376.8			419.0
Non-recourse	1,314.7		1,256.1		—			2,570.8
Total debt	$	1,356.9	$	1,256.1	$	376.8		$	2,989.8
Net deferred tax liabilities	$	671.9	$	—	$	(32.5	)	$	639.4

Net deferred profit on railcars sold to the Leasing Group consists of intersegment profit that is eliminated in consolidation and is, therefore, not allocated to an operating segment. See Note 5 Partially-Owned Leasing Subsidiaries and Note 11 Debt for a further discussion regarding the Company’s investment in its partially-owned leasing subsidiaries and the related indebtedness.

15

	Three Months Ended June 30,								Six Months Ended June 30,
	2014			2013			Percent		2014			2013			Percent
	($ in millions)						Change		($ in millions)						Change
Revenues:
Leasing and management	$	160.7		$	150.7		6.6	%	$	310.9		$	285.0		9.1	%
Sales of railcars owned one year or less at the time of sale	70.8			18.9			*		363.7			19.0			*
Total revenues	$	231.5		$	169.6		36.5		$	674.6		$	304.0		121.9
Operating profit:
Leasing and management	$	75.5		$	71.0		6.3		$	139.4		$	125.8		10.8
Railcar sales:
Railcars owned one year or less at the time of sale	17.2			3.5					106.1			3.5
Railcars owned more than one year at the time of sale	9.7			1.2					87.2			8.0
Total operating profit	$	102.4		$	75.7		35.3		$	332.7		$	137.3		142.3
Operating profit margin:
Leasing and management	47.0		%	47.1		%			44.8		%	44.1		%
Railcar sales	*			*					*			*
Total operating profit margin	44.2		%	44.6		%			49.3		%	45.2		%
Selected expense information(1):
Depreciation	$	32.2		$	32.0		0.6		$	64.7		$	63.0		2.7
Maintenance	$	20.0		$	18.4		8.7		$	41.0		$	37.4		9.6
Rent	$	13.3		$	13.3		—		$	26.6		$	26.7		(0.4	)
Interest:
External	$	38.1		$	38.0				$	75.4		$	78.9
Intercompany	—			1.1					—			3.8
Total interest expense	$	38.1		$	39.1		(2.6	)	$	75.4		$	82.7		(8.8	)

 * Not meaningful

⁽¹⁾ Depreciation, maintenance, and rent expense are components of operating profit. Amortization of deferred profit on railcars sold from the Rail Group to the Leasing Group is included in the operating profits of the Leasing Group resulting in the recognition of depreciation expense based on the Company's original manufacturing cost of the railcars. Interest expense is not a component of operating profit and includes the effect of hedges. Intercompany interest expense is eliminated in consolidation and arises from Trinity’s previous ownership of a portion of TRIP Holdings’ Senior Secured Notes, which notes were retired in full in May 2013. See Note 11 Debt.

During the six months endedJune 30, 2014, the Company received proceeds of $635.7 million from the sale of leased railcars to Element Financial Corporation ("Element") under the strategic alliance with Element announced in December 2013, including $81.6 million recorded as revenue by the Rail Group. From the total proceeds received from Element, the Leasing Group recorded $331.4 million in revenue from the sale of railcars owned one year or less at the time of sale. The remainder of the proceeds of $222.7 million is attributable to the sale of railcars owned more than one year at the time of sale and is, consequently, excluded from revenue.

16

Equipment consists primarily of railcars leased by third parties. The Leasing Group purchases equipment manufactured predominantly by the Rail Group and enters into lease contracts with third parties with terms generally ranging between one and twenty years. The Leasing Group primarily enters into operating leases. Future contractual minimum rental revenues on leases are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter		Total
	(in millions)
Future contractual minimum rental revenue	$	221.0	$	388.9	$	325.1	$	261.7	$	196.6	$	295.8	$	1,689.1

Debt. The Leasing Group’s debt at June 30, 2014 consisted of both recourse and non-recourse debt. As of June 30, 2014, Trinity’s wholly-owned subsidiaries included in the Leasing Group held equipment with a net book value of $1,888.3 million, excluding deferred profit, which is pledged as collateral for Leasing Group debt held by those subsidiaries, including equipment with a net book value of $46.7 million securing capital lease obligations. The net book value, excluding deferred profit, of unpledged equipment at June 30, 2014 was $462.5 million. See Note 11 Debt for the form, maturities, and descriptions of Leasing Group debt.

Partially-owned subsidiaries. Debt owed by TRIP Holdings and RIV 2013 and their respective subsidiaries is nonrecourse to Trinity and TILC. Creditors of each of TRIP Holdings and RIV 2013 and their respective subsidiaries have recourse only to the particular subsidiary's assets. TRIP Master Funding equipment with a net book value of $1,419.7 million, excluding deferred profit, resulting from the sale of railcars to TRIP Master Funding, is pledged as collateral for the TRIP Master Funding debt. TRL 2012 equipment with a net book value of $610.7 million, excluding deferred profit, resulting from the sale of railcars to TRL 2012, is pledged solely as collateral for the TRL 2012 secured railcar equipment notes. See Note 5 Partially-Owned Leasing Subsidiaries for a description of TRIP Holdings and RIV 2013.

Off Balance Sheet Arrangements. In prior years, the Leasing Group completed a series of financing transactions whereby railcars were sold to one or more separate independent owner trusts (“Trusts”). Each of the Trusts financed the purchase of the railcars with a combination of debt and equity. In each transaction, the equity participant in the Trust is considered to be the primary beneficiary of the Trust and therefore, the debt related to the Trust is not included as part of the consolidated financial statements. The Leasing Group, through wholly-owned, qualified subsidiaries, leased railcars from the Trusts under operating leases with terms of 22 years, and subleased the railcars to independent third-party customers under shorter term operating rental agreements.

These Leasing Group subsidiaries had total assets as of June 30, 2014 of $202.0 million, including cash of $77.6 million and railcars of $84.8 million. The subsidiaries' cash, railcars, and an interest in each sublease are pledged to collateralize the lease obligations to the Trusts and are included in the consolidated financial statements of the Company. Trinity does not guarantee the performance of the subsidiaries’ lease obligations. Certain ratios and cash deposits must be maintained by the Leasing Group’s subsidiaries in order for excess cash flow, as defined in the agreements, from the lease to third parties to be available to Trinity. Future operating lease obligations of the Leasing Group’s subsidiaries as well as future contractual minimum rental revenues related to these leases due to the Leasing Group are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter		Total
	(in millions)
Future operating lease obligations of Trusts’ railcars	$	22.4	$	43.0	$	40.0	$	41.8	$	45.2	$	253.3	$	445.7
Future contractual minimum rental revenues of Trusts’ railcars	$	35.3	$	61.7	$	50.9	$	40.2	$	29.6	$	50.2	$	267.9

17

Operating Lease Obligations. Future amounts due as well as future contractual minimum rental revenues related to operating leases other than leases discussed above are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter		Total
	(in millions)
Future operating lease obligations	$	6.5	$	13.0	$	12.8	$	12.2	$	12.2	$	38.2	$	94.9
Future contractual minimum rental revenues	$	9.6	$	13.8	$	12.7	$	9.5	$	5.7	$	8.8	$	60.1

Operating lease obligations totaling $19.8 million are guaranteed by Trinity Industries, Inc. and certain subsidiaries. See Note 6 of the December 31, 2013 Consolidated Financial Statements filed on Form 10-K for a detailed explanation of these financing transactions.

18

Note 7. Derivative Instruments

We use derivative instruments to mitigate the impact of changes in interest rates, both in anticipation of future debt issuances and to offset interest rate variability of certain floating rate debt issuances outstanding. We also use derivative instruments to mitigate the impact of changes in natural gas and diesel fuel prices and changes in foreign currency exchange rates. Derivative instruments that are designated and qualify as cash flow hedges are accounted for in accordance with applicable accounting standards. See Note 3 Fair Value Accounting for discussion of how the Company valued its interest rate swaps at June 30, 2014. See Note 11 Debt for a description of the Company's debt instruments.

Interest rate hedges

					Included in accompanying balance sheet at June 30, 2014
	Notional Amount		Interest Rate(1)		Liability		AOCL – loss/ (income)			Noncontrolling Interest
	(in millions, except %)
Expired hedges:
2006 secured railcar equipment notes	$	200.0	4.87	%	$	—	$	(1.5	)	$	—
Promissory notes	$	370.0	5.34	%	$	—	$	2.6		$	—
TRIP Holdings warehouse loan	$	788.5	3.60	%	$	—	$	11.1		$	15.0
Open hedges:
TRIP Master Funding secured railcar equipment notes	$	61.5	2.62	%	$	2.3	$	1.0		$	1.3
Promissory notes	$	401.5	4.13	%	$	14.2	$	12.8		$	—

⁽¹⁾  Weighted average fixed interest rate

	Effect on interest expense - increase/(decrease)
	Three Months Ended June 30,						Six Months Ended June 30,						Expected effect during next twelve months(1)
	2014			2013			2014			2013
	(in millions)
Expired hedges:
2006 secured railcar equipment notes	$	(0.1	)	$	(0.1	)	$	(0.2	)	$	(0.2	)	$	(0.3	)
Promissory notes	$	0.7		$	0.8		$	1.5		$	1.6		$	2.6
TRIP Holdings warehouse loan	$	1.3		$	1.5		$	2.6		$	3.5		$	5.0
Open hedges:
TRIP Master Funding secured railcar equipment notes	$	0.4		$	0.4		$	0.8		$	0.9		$	1.4
Promissory notes	$	3.8		$	4.1		$	7.7		$	8.0		$	14.2

⁽¹⁾ Based on the fair value of open hedges as of June 30, 2014

During 2005 and 2006, we entered into interest rate swap derivatives in anticipation of issuing our 2006 Secured Railcar Equipment Notes. These derivative instruments, with a notional amount of $200.0 million, were settled in 2006 and fixed the interest rate on a portion of the related debt issuance. These derivative instrument transactions are being accounted for as cash flow hedges with changes in the fair value of the instruments of $4.5 million in income recorded in AOCL through the date the related debt issuance closed in 2006. The balance is being amortized over the term of the related debt. The effect on interest expense is due to amortization of the AOCL balance.

During 2006 and 2007, we entered into interest rate swap derivatives in anticipation of issuing our Promissory Notes. These derivative instruments, with a notional amount of $370.0 million, were settled in 2008 and fixed the interest rate on a portion of the related debt issuance. These derivative instrument transactions are being accounted for as cash flow hedges with changes in the fair value of the instruments of $24.5 million recorded as a loss in AOCL through the date the related debt issuance closed in 2008. The balance is being amortized over the term of the related debt. The effect on interest expense is due to amortization of the AOCL balance.

19

In 2008, we entered into an interest rate swap derivative instrument, expiring in 2015, to fix the variable Libor component of the Promissory Notes. This derivative instrument transaction is being accounted for as a cash flow hedge. The effect on interest expense is primarily a result of monthly interest settlements.

Between 2007 and 2009, TRIP Holdings, as required by the TRIP Warehouse Loan, entered into interest rate swap derivatives, all of which qualified as cash flow hedges, to reduce the effect of changes in variable interest rates in the TRIP Warehouse Loan. In July 2011, these interest rate hedges were terminated in connection with the refinancing of the TRIP Warehouse Loan. Balances included in AOCL at the date the hedges were terminated are being amortized over the expected life of the new debt with $5.0 million of additional interest expense expected to be recognized during the twelve months following June 30, 2014. Also in July 2011, TRIP Holdings’ wholly-owned subsidiary, TRIP Master Funding, entered into an interest rate swap derivative instrument, expiring in 2021, with an initial notional amount of $94.1 million to reduce the effect of changes in variable interest rates associated with the Class A-1b notes of the TRIP Master Funding secured railcar equipment notes. The effect on interest expense is primarily a result of monthly interest settlements.

See Note 11 Debt regarding the related debt instruments.

Other Derivatives

Natural gas and diesel fuel

We maintain a program to mitigate the impact of fluctuations in the price of natural gas and diesel fuel purchases. The intent of the program is to protect our operating profit from adverse price changes by entering into derivative instruments. For those instruments that do not qualify for hedge accounting treatment, any changes in their valuation are recorded directly to the consolidated statement of operations. The amounts recorded in the consolidated financial statements as of June 30, 2014 for these instruments were not significant.

Foreign exchange hedge

We enter into foreign exchange hedges to mitigate the impact on operating profit of unfavorable fluctuations in foreign currency exchange rates. The amounts recorded in the consolidated financial statements as of June 30, 2014 for these instruments were not significant.

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Note 8. Property, Plant, and Equipment

The following table summarizes the components of property, plant, and equipment as of June 30, 2014 and December 31, 2013.

	June 30, 2014			December 31, 2013
	(in millions)
Manufacturing/Corporate:
Land	$	60.2		$	44.2
Buildings and improvements	488.3			463.2
Machinery and other	888.0			832.5
Construction in progress	84.3			79.0
	1,520.8			1,418.9
Less accumulated depreciation	(780.3		)	(748.3		)
	740.5			670.6
Leasing:
Wholly-owned subsidiaries:
Machinery and other	10.8			10.3
Equipment on lease	2,985.9			3,509.1
	2,996.7			3,519.4
Less accumulated depreciation	(559.9		)	(554.8		)
	2,436.8			2,964.6
Partially-owned subsidiaries:
Equipment on lease	2,259.9			1,887.2
Less accumulated depreciation	(229.5		)	(202.1		)
	2,030.4			1,685.1
Net deferred profit on railcars sold to the Leasing Group	(537.0		)	(549.7		)
	$	4,670.7		$	4,770.6

Note 9. Goodwill

Goodwill by segment is as follows:

	June 30, 2014		December 31, 2013
			(as reported)
	(in millions)
Rail Group	$	134.6	$	134.6
Construction Products Group	128.4		126.9
Energy Equipment Group	100.6		14.9
Railcar Leasing and Management Services Group	1.8		1.8
	$	365.4	$	278.2

The increase in the Construction Products Group and Energy Equipment Group goodwill as of June 30, 2014 is due to acquisition activities during the six months endedJune 30, 2014. See Note 2 Acquisitions and Divestitures.

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Note 10. Warranties

The changes in the accruals for warranties for the three and six months endedJune 30, 2014 and 2013 are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Beginning balance	$	15.2		$	12.6		$	14.7		$	12.5
Warranty costs incurred	(1.3		)	(1.5		)	(2.1		)	(3.0		)
Warranty originations and revisions	4.3			3.4			6.6			6.0
Warranty expirations	(1.1		)	(1.0		)	(2.1		)	(2.0		)
Ending balance	$	17.1		$	13.5		$	17.1		$	13.5

Note 11. Debt

The following table summarizes the components of debt as of June 30, 2014 and December 31, 2013:

	June 30, 2014			December 31, 2013
	(in millions)
Corporate – Recourse:
Revolving credit facility	$	—		$	—
Convertible subordinated notes	450.0			450.0
Less: unamortized discount	(67.0		)	(74.1		)
	383.0			375.9
Other	0.9			0.9
	383.9			376.8
Leasing – Recourse:
Capital lease obligations	40.6			42.2
Total recourse debt	424.5			419.0
Leasing – Non-recourse:
Wholly-owned subsidiaries:
2006 secured railcar equipment notes	232.5			240.7
Promissory notes	382.0			396.1
2009 secured railcar equipment notes	194.1			199.0
2010 secured railcar equipment notes	320.1			326.9
TILC warehouse facility	132.0			152.0
	1,260.7			1,314.7
Partially-owned subsidiaries:
TRL 2012 secured railcar equipment notes - RIV 2013	486.6			499.3
TRIP Master Funding secured railcar equipment notes	1,070.7			756.8
	1,557.3			1,256.1
Total non–recourse debt	2,818.0			2,570.8
Total debt	$	3,242.5		$	2,989.8

We have a $425.0 million unsecured revolving credit facility that matures on October 20, 2016. As of June 30, 2014, we had letters of credit issued under our revolving credit facility in an aggregate principal amount of $67.1 million, leaving $357.9 million available for borrowing. Other than these letters of credit, there were no borrowings under our revolving credit facility as of June 30, 2014, or for the six month period then ended. Of the outstanding letters of credit as of June 30, 2014, a total of $0.3 million is expected to expire in 2014 and the remainder in 2015. The majority of our letters of credit obligations support the Company’s various insurance programs and generally renew each year. Trinity’s revolving credit facility requires the maintenance of ratios related to minimum interest coverage for the leasing and manufacturing operations and maximum leverage. Borrowings under the credit facility bear interest at Libor plus 1.50% or prime plus 0.50%. As of June 30, 2014, we were in compliance with all such financial covenants.

The Company's 3 7/8% Convertible Subordinated Notes are recorded net of unamortized discount to reflect their underlying economics by capturing the value of the conversion option as borrowing costs. As of June 30, 2014 and December 31, 2013, capital

22

in excess of par value included $92.8 million related to the estimated value of the Convertible Subordinated Notes’ conversion options, in accordance with ASC 470-20. Debt discount recorded in the consolidated balance sheet is being amortized through June 1, 2018 to yield an effective annual interest rate of 8.42% based upon the estimated market interest rate for comparable non-convertible debt as of the issuance date of the Convertible Subordinated Notes. Total interest expense recognized on the Convertible Subordinated Notes for the three and six months endedJune 30, 2014 and 2013 is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
	(in millions)
Coupon rate interest	$	4.3	$	4.3	$	8.7	$	8.7
Amortized debt discount	3.6		3.2		7.1		6.5
	$	7.9	$	7.5	$	15.8	$	15.2

Holders of the Convertible Subordinated Notes may convert their notes under the following circumstances: 1) if the daily closing price of our common stock is greater than or equal to 130% of the conversion price during 20 of the last 30 trading days of the preceding calendar quarter; 2) upon notice of redemption; or 3) upon the occurrence of specified corporate transactions pursuant to the terms of the applicable indenture. Upon conversion, the Company is required to pay cash up to the aggregate principal amount of the Convertible Subordinated Notes to be converted. Any conversion obligation in excess of the aggregate principal amount of the Convertible Subordinated Notes to be converted may be settled in cash, shares of the Company’s common stock, or a combination of cash and shares of the Company’s common stock, at the Company’s election. The conversion price, which is subject to adjustment upon the occurrence of certain events, was $25.31 per share as of June 30, 2014. The Convertible Subordinated Notes were subject to conversion as of July 1, 2014. Holders of the Convertible Subordinated Notes have the right to convert the notes until September 30, 2014. The Convertible Subordinated Notes may continue to be convertible after September 30, 2014, if certain conditions are satisfied during future measurement periods. See Note 17 Earnings Per Common Share for an explanation of the effects of the Convertible Subordinated Notes on earnings per share. The Company has not entered into any derivatives transactions associated with these notes.

The $475.0 million TILC warehouse loan facility, established to finance railcars owned by TILC, had $132.0 million outstanding with $343.0 million unused, of which $251.4 million was available as of June 30, 2014 based on the amount of warehouse-eligible, unpledged equipment. The warehouse loan is a non-recourse obligation secured by a portfolio of railcars and operating leases, certain cash reserves, and other assets acquired and owned by the warehouse loan facility. The principal and interest of this indebtedness are paid from the cash flows of the underlying leases. Advances under the facility bear interest at a defined index rate plus a margin, for an all-in interest rate of 1.92% at June 30, 2014. In June 2013, the warehouse loan facility was renewed and extended through June 2015. Amounts outstanding at maturity, absent renewal, will be payable in three installments in December 2015, June 2016, and December 2016.

In May 2014, TRIP Master Funding issued $335.7 million in aggregate principal amount of Series 2014-1 Secured Railcar Equipment Notes pursuant to the Master Indenture between TRIP Master Funding and Wilmington Trust Company, as indenture trustee, with a final maturity date of April 2044. The TRIP Master Funding Series 2014-1 Secured Railcar Equipment Notes consist of two classes with the Class A-1 notes bearing interest at 2.86% and the Class A-2 notes bearing interest at 4.09%. The TRIP Master Funding Secured Railcar Equipment Notes are non-recourse to Trinity, TILC, TRIP Holdings, and the other equity investors in TRIP Holdings and are secured by TRIP Master Funding's portfolio of railcars and operating leases thereon, its cash reserves, and all other assets owned by TRIP Master Funding. As of June 30, 2014, there were $114.3 million and $220.7 million of Class A-1 and Class A-2 notes outstanding, respectively.

Terms and conditions of other debt, including recourse and non-recourse provisions, are described in Note 11 of the December 31, 2013 Consolidated Financial Statements filed on Form 10-K.

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The remaining principal payments under existing debt agreements as of June 30, 2014 are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter
	(in millions)
Recourse:
Corporate	$	0.2	$	0.2	$	0.2	$	0.3	$	—	$	450.0
Leasing – capital lease obligations (Note 6)	1.6		3.2		3.5		3.7		28.6		—
Non-recourse – leasing (Note 6):
2006 secured railcar equipment notes	8.7		18.6		21.9		24.0		25.4		133.9
Promissory notes	10.6		21.7		349.7		—		—		—
2009 secured railcar equipment notes	5.0		9.6		6.5		6.3		6.5		160.2
2010 secured railcar equipment notes	7.2		15.3		15.0		13.7		10.0		258.9
TILC warehouse facility	2.3		4.3		3.9		—		—		—
TRL 2012 secured railcar equipment notes - RIV 2013	12.3		23.5		22.6		23.1		23.4		381.7
TRIP Master Funding secured railcar equipment notes	24.6		46.3		40.1		29.4		42.1		888.2
Facility termination payments - TILC warehouse facility	—		40.5		81.0		—		—		—
Total principal payments	$	72.5	$	183.2	$	544.4	$	100.5	$	136.0	$	2,272.9

Note 12. Other, Net

Other, net (income) expense consists of the following items:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Foreign currency exchange transactions	$	(0.3	)	$	0.8		$	0.1		$	0.5
Gain on equity investments	(0.4		)	(0.1		)	(0.6		)	(0.2		)
Other	(0.7		)	0.2			(1.3		)	(2.1		)
Other, net	$	(1.4	)	$	0.9		$	(1.8	)	$	(1.8	)

Other for the six months endedJune 30, 2013 includes $1.7 million related to the change in fair value of certain equity repurchase agreements with an investor in TRIP Holdings. The equity repurchase agreements were terminated in 2013.

Note 13. Income Taxes

The provision for income taxes results in effective tax rates that differ from the statutory rates. The following is a reconciliation between the statutory U.S. Federal income tax rate and the Company’s effective income tax rate on income from continuing operations:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Statutory rate	35.0	%	35.0	%	35.0	%	35.0	%
State taxes	0.9		2.1		0.9		2.1
Domestic production activities deduction	(2.2	)	(1.5	)	(2.2	)	(1.0	)
Noncontrolling interest in partially-owned subsidiaries	(1.1	)	(1.6	)	(1.2	)	(0.8	)
Tax assessments and settlements	—		1.2		—		0.6
Other, net	—		(0.6	)	0.1		(0.5	)
Effective rate	32.6	%	34.6	%	32.6	%	35.4	%

Our effective tax rate reflects a current tax benefit available for U.S. manufacturing activities in addition to income attributable to the noncontrolling interests in TRIP Holdings and RIV 2013 for which no income tax expense is provided. See Note 5 Partially-Owned Leasing Subsidiaries for a further explanation of activities with respect to TRIP Holdings and RIV 2013.

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Taxing authority examinations

The IRS field work for our 2006-2008 audit cycle has concluded and all issues, except for transfer pricing, have been agreed upon and tentatively settled. The transfer pricing issue has been appealed and we are working with both the U.S. and Mexican taxing authorities to coordinate taxation in a formal mutual agreement process (“MAP”). On September 30, 2013, we received the revenue agent report for the 2009-2011 audit cycle. All issues have been concluded and agreed to except for transfer pricing issues. These issues have been appealed and we have requested they be addressed in the same MAP of the 2006-2008 cycle. At this time, we cannot determine when the 2006-2008 cycle or the 2009-2011 cycles will close and all issues formally settled.

We have various subsidiaries in Mexico that file separate tax returns and are subject to examination by taxing authorities at different times. The 2007 tax year of one of our Mexican subsidiaries is still under review for transfer pricing purposes only, and its statute of limitations remains open through the later of the resolution of the MAP or August 2017. The remaining entities are generally open for their 2008 tax years and forward.

Our two Swiss subsidiaries, one of which is a holding company and the other of which is dormant, have been audited by the taxing authorities through 2008 and 2009, respectively. The statute of limitations in Switzerland is generally five years from the end of the tax year, but can be extended up to 15 years in certain cases if the audit has commenced during the original five-year period. We also currently have sales offices in Europe and Canada that are subject to various statutes of limitations with regard to their tax status. Generally, states’ statutes of limitations in the U.S. are open from 2003 forward due to the use of tax loss carryforwards in certain jurisdictions.

Unrecognized tax benefits

The change in unrecognized tax benefits for the six months endedJune 30, 2014 and 2013 was as follows:

	Six Months Ended June 30,
	2014			2013
	(in millions)
Beginning balance	$	55.0		$	48.7
Additions for tax positions related to the current year	2.6			2.3
Additions for tax positions of prior years	—			0.9
Reductions for tax positions of prior years	(0.1		)	—
Expiration of statute of limitations	—			(0.1		)
Ending balance	$	57.5		$	51.8

Additions for tax positions related to the current year in the amounts of $2.6 million and $2.3 million recorded in the six months endedJune 30, 2014 and 2013, respectively, were amounts provided for tax positions that will be taken for Federal and state income tax purposes when we file those tax returns.

Additions for tax positions related to prior years in the amount of $0.9 million recorded in the six months endedJune 30, 2013, were for Federal tax positions taken on the prior year tax returns.

The reduction in tax positions of prior years of $0.1 million for the six months endedJune 30, 2014, was primarily related to changes in state taxes.

The expiration of statute of limitations in 2013 relates to state taxes where the statute has closed.

The total amount of unrecognized tax benefits including interest and penalties at June 30, 2014 and 2013, that would affect the Company’s overall effective tax rate if recognized was $14.0 million and $13.1 million, respectively.

Trinity accounts for interest expense and penalties related to income tax issues as income tax expense. Accordingly, interest expense and penalties associated with an uncertain tax position are included in the income tax provision. The total amount of accrued interest and penalties as of June 30, 2014 and December 31, 2013 was $11.2 million and $10.8 million, respectively. Income tax expense for the three and six months endedJune 30, 2014, included an increase in income tax expense of $0.2 million and $0.4 million in interest expense and penalties, respectively, related to uncertain tax positions. Income tax expense for the three and six months endedJune 30, 2013, included an increase in income tax expense of $0.2 million and $0.4 million in interest expense and penalties, respectively, related to uncertain tax positions.

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Note 14. Employee Retirement Plans

The following table summarizes the components of net retirement cost for the Company:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Expense Components
Service cost	$	0.1		$	0.2		$	0.2		$	0.5
Interest	5.0			4.6			10.0			9.3
Expected return on plan assets	(7.7		)	(6.7		)	(15.4		)	(13.3		)
Amortization of actuarial loss	0.3			1.3			0.6			2.5
Defined benefit expense	(2.3		)	(0.6		)	(4.6		)	(1.0		)
Profit sharing	5.2			3.3			8.9			6.4
Net expense	$	2.9		$	2.7		$	4.3		$	5.4

Trinity contributed $3.5 million and $7.6 million to the Company's defined benefit pension plans for the three and six months endedJune 30, 2014, respectively. Trinity contributed $4.5 million and $8.1 million to the Company's defined benefit pension plans for the three and six months endedJune 30, 2013, respectively. Total contributions to the Company's defined benefit pension plans in 2014 are expected to be approximately $15.2 million.

Note 15. Accumulated Other Comprehensive Loss

Changes in accumulated other comprehensive loss for the six months endedJune 30, 2014 are as follows, net of tax:

	Currency translation adjustments			Unrealized loss on derivative financial instruments			Net actuarial gains/(losses) of defined benefit plans			Accumulated Other Comprehensive Loss
	(in millions)
Balances at December 31, 2013	$	(16.5	)	$	(18.7	)	$	(43.0	)	$	(78.2	)
Other comprehensive loss, net of tax, before reclassifications	—			(1.8		)	—			(1.8		)
Amounts reclassified from accumulated other comprehensive loss, net of tax benefit of $-, $3.9, $0.2, and $4.1	—			8.5			0.4			8.9
Less: noncontrolling interest	—			(1.3		)	—			(1.3		)
Other comprehensive income	—			5.4			0.4			5.8
Transfer of interests in partially-owned leasing subsidiaries	—			0.3			—			0.3
Balances at June 30, 2014	$	(16.5	)	$	(13.0	)	$	(42.6	)	$	(72.1	)

See Note 7 Derivative Instruments for information on the reclassification of amounts in accumulated other comprehensive loss into earnings. Reclassifications of unrealized before-tax losses on derivative financial instruments are included in interest expense in the Consolidated Statement of Operations. Approximately $0.5 million of the before-tax reclassification of net actuarial gains/(losses) of defined benefit plans are included in cost of revenues with the remainder included in selling, engineering, and administrative expenses in the Consolidated Statement of Operations for the six months endedJune 30, 2014.

Note 16. Stock-Based Compensation

Stock-based compensation totaled approximately$12.6 million and $23.5 million for thethree and six months endedJune 30, 2014, respectively. Stock-based compensation totaled approximately $9.9 million and $18.9 million for the three and six months endedJune 30, 2013, respectively.

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Note 17. Earnings Per Common Share

Basic net income attributable to Trinity Industries, Inc. per common share is computed by dividing net income attributable to Trinity remaining after allocation to unvested restricted shares by the weighted average number of basic unrestricted common shares outstanding for the period. Except when the effect would be antidilutive, the calculation of diluted net income attributable to Trinity per common share includes 1) the net impact of unvested restricted shares and shares that could be issued under outstanding stock options and 2) the incremental shares calculated by dividing the value of the conversion obligation in excess of the Convertible Subordinated Notes' aggregate principal amount by the average price of the Company's common stock during the period. The effect of the Convertible Subordinated Notes was antidilutive for the three and six months endedJune 30, 2013. Total weighted average restricted shares and antidilutive stock options were 7.7 million shares and 7.9 million shares for the three and six months endedJune 30, 2014, respectively. Total weighted average restricted shares and antidilutive stock options were 7.1 million shares and 6.7 million shares for the three and six months endedJune 30, 2013, respectively.

The computation of basic and diluted net income attributable to Trinity Industries, Inc. follows.

	Three Months Ended June 30, 2014						Three Months Ended June 30, 2013
	Income (Loss)			Average Shares	EPS		Income (Loss)			Average Shares	EPS
	(in millions, except per share amounts)
Net income from continuing operations	$	173.3					$	89.2
Less: net income from continuing operations attributable to noncontrolling interest	8.9						4.2
Net income from continuing operations attributable to Trinity Industries, Inc.	164.4						85.0
Unvested restricted share participation	(5.5		)				(2.7		)
Net income from continuing operations attributable to Trinity Industries, Inc. – basic	158.9			151.0	$	1.05	82.3			154.0	$	0.53
Effect of dilutive securities:
Stock options	—			0.1			—			0.1
Convertible subordinated notes	0.2			6.3			—			—
Net income from continuing operations attributable to Trinity Industries, Inc. – diluted	$	159.1		157.4	$	1.01	$	82.3		154.1	$	0.53
Net income (loss) from discontinued operations, net of taxes	$	(0.2	)				$	(1.0	)
Unvested restricted share participation	—						—
Net income (loss) from discontinued operations, net of taxes – basic	(0.2		)	151.0	$	—	(1.0		)	154.0	$	(0.01	)
Effect of dilutive securities:
Stock options	—			0.1			—			0.1
Convertible subordinated notes	—			6.3			—			—
Net income (loss) from discontinued operations, net of taxes – diluted	$	(0.2	)	157.4	$	—	$	(1.0	)	154.1	$	(0.01	)

27

	Six Months Ended June 30, 2014						Six Months Ended June 30, 2013
	Income (Loss)			Average Shares	EPS		Income (Loss)			Average Shares	EPS
	(in millions, except per share amounts)
Net income from continuing operations	$	406.6					$	161.4
Less: net income from continuing operations attributable to noncontrolling interest	15.5						3.9
Net income from continuing operations attributable to Trinity Industries, Inc.	391.1						157.5
Unvested restricted share participation	(13.3		)				(5.0		)
Net income from continuing operations attributable to Trinity Industries, Inc. – basic	377.8			150.5	$	2.51	152.5			154.0	$	0.99
Effect of dilutive securities:
Stock options	—			0.1			—			0.2
Convertible subordinated notes	0.4			5.0			—			—
Net income from continuing operations attributable to Trinity Industries, Inc. – diluted	$	378.2		155.6	$	2.43	$	152.5		154.2	$	0.99
Net income (loss) from discontinued operations, net of taxes	$	(0.5	)				$	5.6
Unvested restricted share participation	—						(0.2		)
Net income (loss) from discontinued operations, net of taxes – basic	(0.5		)	150.5	$	—	5.4			154.0	$	0.04
Effect of dilutive securities:
Stock options	—			0.1			—			0.2
Convertible subordinated notes	—			5.0			—			—
Net income (loss) from discontinued operations, net of taxes – diluted	$	(0.5	)	155.6	$	—	$	5.4		154.2	$	0.04

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Note 18. Contingencies

Highway Products Litigation

As previously reported, on January 28, 2013, the United States filed a “Notice of Election to Decline Intervention” in a False Claims Act (Qui Tam) complaint filed under seal on March 6, 2012 in the United States District Court for the Eastern District of Texas, Marshall Division styled Joshua Harman, on behalf of the United States of America, Plaintiff/Relator (“Mr. Harman”) v. Trinity Industries, Inc., Defendant,Case 2:12-cv-00089-JRG. Although the Company did not receive service of process with respect to the Original Complaint, the Company was served with Mr. Harman's Amended Complaint on May 17, 2013. The trial began on July 14, 2014 and ended in a mistrial on July 18, 2014. The case is expected to be retried in the fall of 2014. Mr. Harman alleges the Company knowingly presented or caused to be presented a false or fraudulent claim, record or statement to purchasers of the product in order for such purchasers to obtain payment or approval (eligibility for Federal-aid reimbursement) related to the Company's ET-Plus guardrail end-terminal system. Mr. Harman is seeking damages equaling the amount the United States paid in federal-aid reimbursement for ET-Plus systems from March 6, 2006 to December 31, 2013, less the value of the ET-Plus systems received, trebled, plus civil penalties. Mr. Harman's most recent damage model calculates this amount at approximately $775.7 million exclusive of attorney's fees, costs, and interest. The Company intends to vigorously defend itself against Mr. Harman's allegations which will result in certain legal expenses.

Since its introduction in 2000, including all improvement modifications thereafter, the ET-Plus system has satisfied the testing criteria required by the governing National Cooperative Highway Research Program Report 350 and the product approval requirements of the Federal Highway Administration ("FHWA"). As affirmed in a Memorandum dated June 17, 2014, the FHWA advised its Division Administrators, Directors of Field Services, Federal Lands Division Engineers, and Safety Field that "The Trinity ET-Plus with 4-inch guide channels became eligible for Federal reimbursement under FHWA letter CC-94 on September 2, 2005. In addition, the device is eligible for reimbursement under FHWA letters CC-94A and CC-120. Staff confirmed the reimbursement eligibility of the device at heights from 27 3/4 inches to 31 inches. An unbroken chain of eligibility for Federal-aid reimbursement has existed since September 2, 2005 and the ET-Plus continues to be eligible today." This Memorandum is available on the FHWA's web site at:

http://safety.fhwa.dot.gov/roadway_dept/policy_guide/road_hardware/memo_etplus_wbeam.cfm

Based upon the unbroken chain of eligibility of the ET-Plus system for Federal-aid reimbursement, we do not believe that a loss is probable or that a range of reasonably possible losses exists. Accordingly, no accrual or range of loss has been included in the accompanying consolidated financial statements.

Train Derailment

As previously reported, the Company has been named as a respondent in litigation filed July 15, 2013 in Superior Court, Province of Quebec, District of Saint-Francois, styled Yannick Gagne and Guy Ouellet vs. Rail World, Inc., et al related to the July 2013 crude oil unit train derailment in Lac-Mégantic, Quebec. A partially-owned subsidiary of the Company owned and leased to a third party 13 of the railcars involved in the incident, which lessee is also named as a defendant in the Province of Quebec litigation. As of June 18, 2014, the petitioners in the Quebec litigation have voluntarily desisted with their claims against the Company resulting in the dismissal of the Company without prejudice, however the partially-owned subsidiary remains as a respondent in the litigation. The litigation filed in Quebec is seeking “class” status which, if certified, could lead to multiple individuals and business entities becoming class members.

The Company was also named as a defendant in multiple cases filed by the estates of decedents in the Circuit Court of Cook County, Illinois seeking damages for alleged wrongful death and property damage arising from the July 2013 crude oil unit train derailment in Lac-Mégantic, Quebec. The Company’s tank car manufacturing subsidiary manufactured 35 of the 72 tank railcars involved in the derailment. However the Illinois cases have since been ordered transferred to the United States District Court for the District of Maine. This transfer prompted plaintiffs to seek dismissal of these actions. Nonetheless, the Maine court has not indicated those dismissals were effectuated and the cases were transferred to federal court in Maine and have been assigned new case numbers. Certain of the plaintiffs in these transferred cases have appealed to the U.S. Court of Appeals for the First Circuit seeking to overturn the decision to transfer. This appeal has resulted in a stay of all proceedings in the transferred cases pending resolution of the appeal. The Company could be named in similar litigation involving other affected plaintiffs, but the ultimate number of claims and the jurisdiction in which such claims are filed, may vary. We do not believe at this time that a loss is probable nor can a range of losses be determined. Accordingly, no accrual or range of loss has been included in the accompanying consolidated financial statements.

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Railworthiness Directive

As previously reported, in 2011 the Company received the approval of the Federal Railroad Administration to implement a voluntary recertification of 948 tank cars owned or managed by the Company’s wholly-owned, railcar leasing subsidiary and used in transporting poison inhalation hazard (“PIH”) materials. The recertification process was performed in conjunction with the normal federally mandated inspection cycle for tank cars in PIH service and is complete as of June 30, 2014. Maintenance costs associated with this recertification process were expensed as incurred.

Other Matters

As previously reported, Trinity Structural Towers, Inc., a wholly-owned subsidiary of the Company, is in litigation with a structural wind towers customer for the customer’s breach of a long-term supply contract for the manufacture of towers. While the customer partially performed the contract, it ultimately defaulted on its purchase obligation and did not remedy such default following written notice.

The Company is involved in claims and lawsuits incidental to our business arising from various matters including product warranty, personal injury, environmental issues, workplace laws, and various governmental regulations. The Company evaluates its exposure to such claims and suits periodically and establishes accruals for these contingencies when a range of loss can be reasonably estimated. The range of reasonably possible losses for such matters, taking into consideration our rights in indemnity and recourse to third parties is $8.2 million to $28.4 million. At June 30, 2014, total accruals of $18.1 million, including environmental and workplace matters described below, are included in accrued liabilities in the accompanying consolidated balance sheet. The Company believes any additional liability would not be material to its financial position or results of operations.

Trinity is subject to remedial orders and Federal, state, local, and foreign laws and regulations relating to the environment and the workplace. The Company has reserved $10.1 million to cover our probable and estimable liabilities with respect to the investigations, assessments, and remedial responses to such matters, taking into account currently available information and our contractual rights to indemnification and recourse to third parties. However, estimates of liability arising from future proceedings, assessments, or remediation are inherently imprecise. Accordingly, there can be no assurance that we will not become involved in future litigation or other proceedings involving the environment and the workplace or, if we are found to be responsible or liable in any such litigation or proceeding, that such costs would not be material to the Company. We believe that we are currently in substantial compliance with environmental and workplace laws and regulations.

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Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations

Management’s Discussion and Analysis of Financial Condition and Results of Operations (“MD&A”) is intended to provide readers of our financial statements with a narrative from the perspective of our management on our financial condition, results of operations, liquidity, and certain other factors that may affect our future results. Our MD&A is presented in the following sections:

•Executive Summary

•Results of Operations

•Liquidity and Capital Resources

•Contractual Obligations and Commercial Commitments

•Recent Accounting Pronouncements

•Forward-Looking Statements

Our MD&A should be read in conjunction with the unaudited consolidated financial statements of Trinity Industries, Inc. and subsidiaries ("Trinity", "Company", "we", and "our") and related Notes in Part I, Item 1 of the Quarterly Report on Form 10-Q and Item 8, Financial Statements and Supplementary Data, of the Annual Report on Form 10-K for the year-ended December 31, 2013.

Executive Summary

The Company’s revenues for the three and six months endedJune 30, 2014 were $1,485.3 million and $2,945.8 million, respectively, representing an increase of $419.2 million and $946.8 million, respectively, or 39% and 47%, respectively, over the same periods in 2013. Operating profit for the three and six months endedJune 30, 2014 increased by 65% and 102%, respectively, to $302.0 million and $693.3 million, respectively, compared to $183.4 million and $342.9 million, respectively, for the same periods in 2013. The increase in revenues for the six months endedJune 30, 2014, when compared to the prior year period, resulted from higher shipment volumes and higher pricing due to increased overall demand and a more favorable product mix in our Rail Group. Additionally, our Leasing Group experienced significantly higher revenues from external railcar sales along with higher leasing and management revenues related to higher utilization and rental rates. Revenues in our Energy Equipment Group increased primarily due to higher volumes and acquisitions. Revenues in our Construction Products Group were slightly higher in our Aggregates business due to acquisitions offset by lower revenue volumes in our Highway Business. A more favorable product mix led to slightly higher revenues for our Inland Barge Group. Overall operating profit and margin grew for the six months endedJune 30, 2014, when compared with the prior year, primarily due to higher shipment levels and the effects of a more favorable product mix in our Rail Group, higher railcar sales from our Leasing Group, and increased shipping volumes in our Energy Equipment Group. Selling, engineering, and administrative expenses increased for the six months endedJune 30, 2014 primarily due to higher performance-related compensation costs and increased staffing in addition to increased legal expenses. The Company's headcount, including both production and non-production personnel, has increased approximately 8% since the end of 2013 primarily due to production expansion and acquisitions. Net income from continuing operations for the three and six months endedJune 30, 2014 was $173.3 million and $406.6 million, respectively, and increased $84.1 million and $245.2 million, respectively, or 94% and 152%, respectively, over the same periods in 2013.

Our Rail and Inland Barge Groups and our structural wind towers and storage containers businesses operate in cyclical industries.  Results in our Construction Products and Energy Equipment Groups are subject to seasonal fluctuations with the first quarter historically being the weakest quarter. Railcar sales from the lease fleet are the primary driver of fluctuations in results in the Railcar Leasing and Management Services Group.

Demand conditions and corresponding order levels for new railcars and barges serving the oil, gas, and chemicals industries continue to be favorable. Demand conditions and corresponding order levels in other markets, including cementand agricultural products, have recently begun to strengthen for both freight railcars and hopper barges while demand for products supporting the coal market remains weak. The slowdown in the commercial construction markets, budgetary constraints at the Federal and state level, and unfavorable weather conditions have negatively impacted the results of our Highway Products business while acquisition related volumes have contributed favorably to the results in our Aggregates business.

We continually assess our manufacturing capacity and take steps to align our production capacity with demand for our products. Due to improvements in demand for certain products, we have continued to increase production staff at certain facilities. We expect that facilities on non-operating status will be available for future operations should demand increase further.

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As of June 30, 2014 and 2013 our backlog of firm and noncancellable orders was as follows:

	June 30, 2014		June 30, 2013
	(in millions)
Rail Group
External Customers	$	4,366.1	$	4,174.7
Leasing Group	1,100.7		879.8
	$	5,466.8	$	5,054.5
Inland Barge Group	$	466.7	$	563.6
Structural wind towers
Not subject to ongoing litigation	$	611.3	$	230.4
Subject to ongoing litigation	—		412.5
	$	611.3	$	642.9

For the six months endedJune 30, 2014, our rail manufacturing businesses received orders for 19,505 railcars. The increase in backlog as of June 30, 2014 reflects the value of orders taken during the period. The orders in our backlog from the Leasing Group are supported by lease commitments with external customers. The final amount dedicated to the Leasing Group may vary by the time of delivery. Deliveries for multi-year barge agreements are included in the backlog when specific production quantities for future years have been determined. Approximately $412.5 million included in our backlog at June 30, 2013 is the subject of ongoing litigation with one of the Company's structural wind tower customers leaving a remainder of $230.4 million not subject to litigation. As of September 30, 2013, the Company removed the amount subject to litigation from its wind tower backlog due to the expectation that the purchases will not be made as contracted. The litigation, in which Trinity seeks damages for lost profits under the contract, is pending and is discussed in Note 18 of the Consolidated Financial Statements under "Other Matters".

During the six months endedJune 30, 2014, the Company received proceeds of $635.7 million from the sale of leased railcars to Element Financial Corporation ("Element") under the strategic alliance with Element announced in December 2013, including $81.6 million recorded as revenue by the Rail Group. From the total proceeds received from Element, the Leasing Group recorded $331.4 million in revenue from the sale of railcars owned one year or less at the time of sale. The remainder of the proceeds of $222.7 million is attributable to the sale of railcars owned more than one year at the time of sale and is, consequently, excluded from revenue.

In March 2014, the Company’s Board of Directors authorized a new $250 million share repurchase program that expires on December 31, 2015 and replaced the Company's previously authorized $200 million share repurchase program. Under the new program, 63,600 shares and 340,146 shares, respectively, were repurchased during the three and six months endedJune 30, 2014, at a cost of approximately $2.5 million and $12.5 million, respectively.

In May 2014, the Company's partially-owned leasing subsidiary, TRIP Rail Holdings LLC ("TRIP Holdings"), acquired $388 million in railcar equipment from Trinity Industries Leasing Company ("TILC"). In connection with this portfolio purchase, TRIP Master Funding issued $335.7 million in aggregate principal amount of Series 2014-1 Secured Railcar Equipment Notes pursuant to the Master Indenture between TRIP Master Funding and Wilmington Trust Company, as indenture trustee, with a final maturity date of April 2044. The TRIP Master Funding Series 2014-1 Secured Railcar Equipment Notes consist of two classes with the Class A-1 notes bearing interest at 2.86% and the Class A-2 notes bearing interest at 4.09%. The TRIP Master Funding Secured Railcar Equipment Notes are non-recourse to Trinity, TILC, TRIP Holdings, and the other equity investors in TRIP Holdings and are secured by TRIP Master Funding's portfolio of railcars and operating leases thereon, its cash reserves, and all other assets owned by TRIP Master Funding. As of June 30, 2014, there were $114.3 million and $220.7 million of Class A-1 and Class A-2 notes outstanding, respectively. The remainder of the purchase price was provided by TILC and the third-party investors of TRIP Holdings who contributed $21.6 million and $49.6 million, respectively, net of expenses.

In May 2014, the Company's Board of Directors authorized a 2-for-1 stock split. The stock split was issued in the form of a 100% stock dividend. The additional shares were distributed on June 19, 2014, to shareholders of record at the close of business on June 5, 2014. All share and per share information, including dividends, has been retroactively adjusted to reflect the 2-for-1 stock split, except for the statement of stockholders' equity which will reflect the stock split by reclassifying from "Capital in Excess of Par Value" to "Common Stock" in the amount of $78.0 million which equals the par value of the additional shares issued to effect the stock split.

Additionally, the Company increased its quarterly dividend in May 2014 by 33%. On a stock-split adjusted basis, the Company increased its quarterly dividend to $0.10 per share compared to the previous, split-adjusted level of $0.075 per share.

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In June 2014, Trinity entered into an agreement to acquire the assets of Meyer Steel Structures ("Meyer"), the utility steel structures division of Thomas & Betts Corporation, a member of the ABB Group, for approximately $600 million. Meyer is one of North America's leading providers of tubular steel structures for electricity transmission and distribution. The transaction is expected to close during the quarter ending September 30, 2014 subject to regulatory approval. During the six months endedJune 30, 2014, we completed the acquisition of WesMor Cryogenic Companies and Alloy Custom Products, Inc., expanding the Company's engineering and manufacturing capabilities to provide cryogenic storage and transportation products. We also completed the acquisition of Platinum Energy Services in Alberta, Canada, a manufacturer and reseller of oil and gas process and storage equipment and the acquisition of a galvanizing services business located in Texas.

Results of Operations

Overall Summary for Continuing Operations

Revenues

	Three Months Ended June 30, 2014								Three Months Ended June 30, 2013
	Revenues								Revenues								Percent
	External		Intersegment			Total			External		Intersegment			Total			Change
	($ in millions)
Rail Group	$	760.7	$	134.9		$	895.6		$	474.1	$	193.9		$	668.0		34.1	%
Construction Products Group	149.9		1.8			151.7			149.3		5.2			154.5			(1.8	)
Inland Barge Group	165.4		—			165.4			150.0		—			150.0			10.3
Energy Equipment Group	183.2		44.4			227.6			121.4		31.1			152.5			49.2
Railcar Leasing and Management Services Group	225.4		6.1			231.5			169.6		—			169.6			36.5
All Other	0.7		27.4			28.1			1.7		20.0			21.7			29.5
Segment Totals before Eliminations	1,485.3		214.6			1,699.9			1,066.1		250.2			1,316.3			29.1
Eliminations – Lease subsidiary	—		(128.6		)	(128.6		)	—		(189.5		)	(189.5		)
Eliminations – Other	—		(86.0		)	(86.0		)	—		(60.7		)	(60.7		)
Consolidated Total	$	1,485.3	$	—		$	1,485.3		$	1,066.1	$	—		$	1,066.1		39.3

	Six Months Ended June 30, 2014								Six Months Ended June 30, 2013
	Revenues								Revenues								Percent
	External		Intersegment			Total			External		Intersegment			Total			Change
	($ in millions)
Rail Group	$	1,361.8	$	391.2		$	1,753.0		$	897.7	$	395.8		$	1,293.5		35.5	%
Construction Products Group	262.1		2.7			264.8			247.3		11.0			258.3			2.5
Inland Barge Group	302.3		—			302.3			297.4		—			297.4			1.6
Energy Equipment Group	350.2		88.0			438.2			249.9		57.3			307.2			42.6
Railcar Leasing and Management Services Group	667.6		7.0			674.6			304.0		—			304.0			121.9
All Other	1.8		49.5			51.3			2.7		38.3			41.0			25.1
Segment Totals before Eliminations	2,945.8		538.4			3,484.2			1,999.0		502.4			2,501.4			39.3
Eliminations – Lease subsidiary	—		(377.7		)	(377.7		)	—		(387.5		)	(387.5		)
Eliminations – Other	—		(160.7		)	(160.7		)	—		(114.9		)	(114.9		)
Consolidated Total	$	2,945.8	$	—		$	2,945.8		$	1,999.0	$	—		$	1,999.0		47.4

Our revenues for the three and six months endedJune 30, 2014 increased by 39% and 47%, respectively, from the prior year periods. The increase for both periods was primarily due to higher shipment volumes and pricing due to increased overall demand and a more favorable product mix in our Rail Group combined with the effects of higher volumes in our Energy Equipment Group. Revenues from our Inland Barge Group increased as a result of favorable product mix changes for both periods. Our Construction Products Group experienced slightly lower revenues for the three months ended June 30, 2014 due to overall lower volumes and higher revenues for the six months ended June 30, 2014 primarily due to acquisitions. Our Leasing Group experienced higher leasing and management revenues due to increased rental rates, higher utilization, and higher external railcar sales.

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Operating Costs

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Rail Group	$	719.6		$	560.1		$	1,409.5		$	1,082.7
Construction Products Group	129.3			135.5			220.7			231.6
Inland Barge Group	134.5			129.1			244.7			252.2
Energy Equipment Group	199.3			138.2			387.0			278.0
Railcar Leasing and Management Services Group	129.1			93.9			341.9			166.7
All Other	30.7			25.5			59.3			47.4
Segment Totals before Eliminations and Corporate	$	1,342.5		$	1,082.3		$	2,663.1		$	2,058.6
Corporate	29.7			15.5			52.8			32.1
Eliminations – Lease subsidiary	(101.7		)	(154.8		)	(301.5		)	(320.4		)
Eliminations – Other	(87.2		)	(60.3		)	(161.9		)	(114.2		)
Consolidated Total	$	1,183.3		$	882.7		$	2,252.5		$	1,656.1

Operating costs for the three and six months endedJune 30, 2014 increased by 34.1% and 36.0%, respectively, over the prior year periods primarily due to higher shipment levels in our Rail and Energy Equipment Groups and higher railcar sales in our Leasing Group. Operating costs from our Inland Barge Group varied due to changes in the mix of barge types. Operating costs in the Construction Products Group included a significant gain from the sale of land held by our Aggregates business. Selling, engineering, and administrative expenses increased overall due primarily to higher compensation costs from increased staffing and improved performance in addition to increased legal expenses. As a percentage of revenue, selling, engineering, and administrative expenses decreased to 6.5% and 6.1%, respectively, for the three and six months endedJune 30, 2014 as compared to 6.7% and 7.0%, respectively, for the same periods in 2013.

Operating Profit (Loss)

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Rail Group	$	176.0		$	107.9		$	343.5		$	210.8
Construction Products Group	22.4			19.0			44.1			26.7
Inland Barge Group	30.9			20.9			57.6			45.2
Energy Equipment Group	28.3			14.3			51.2			29.2
Railcar Leasing and Management Services Group	102.4			75.7			332.7			137.3
All Other	(2.6		)	(3.8		)	(8.0		)	(6.4		)
Segment Totals before Eliminations and Corporate	357.4			234.0			821.1			442.8
Corporate	(29.7		)	(15.5		)	(52.8		)	(32.1		)
Eliminations – Lease subsidiary	(26.9		)	(34.7		)	(76.2		)	(67.1		)
Eliminations – Other	1.2			(0.4		)	1.2			(0.7		)
Consolidated Total	$	302.0		$	183.4		$	693.3		$	342.9

Our operating profit for the three and six months endedJune 30, 2014 increased primarily as a result of higher shipment levels in our Rail and Energy Equipment Groups as well as higher railcar sales in our Leasing Group.

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For a further discussion of revenues, costs, and the operating results of individual segments, see Segment Discussion below.

Other Income and Expense. Other income and expense is summarized in the following table:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Interest income	$	(0.7	)	$	(0.4	)	$	(1.1	)	$	(0.8	)
Interest expense	46.9			46.5			93.2			95.7
Other, net	(1.4		)	0.9			(1.8		)	(1.8		)
Consolidated Total	$	44.8		$	47.0		$	90.3		$	93.1

Interest expense for the six months endedJune 30, 2014 decreased by $2.5 million from the prior year period primarily due to the TRIP Holdings debt refinancing completed in May 2013. Interest expense for the three months endedJune 30, 2014 was substantially unchanged.

Income Taxes. The provision for income taxes results in effective tax rates that differ from the statutory rates. The following is a reconciliation between the statutory U.S. Federal income tax rate and the Company’s effective income tax rate on income from continuing operations:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Statutory rate	35.0	%	35.0	%	35.0	%	35.0	%
State taxes	0.9		2.1		0.9		2.1
Domestic production activities deduction	(2.2	)	(1.5	)	(2.2	)	(1.0	)
Noncontrolling interest in partially-owned subsidiaries	(1.1	)	(1.6	)	(1.2	)	(0.8	)
Tax assessments and settlements	—		1.2		—		0.6
Other, net	—		(0.6	)	0.1		(0.5	)
Effective rate	32.6	%	34.6	%	32.6	%	35.4	%

Our effective tax rate reflects a current tax benefit available for U.S. manufacturing activity in addition to income attributable to the noncontrolling interests in TRIP Holdings and RIV 2013 for which no income tax expense is provided. See Note 5 of the Consolidated Financial Statements for a further explanation of activities with respect to TRIP Holdings and RIV 2013. See Note 13 of the Consolidated Financial Statements for a further discussion of income taxes. Income tax payments during the six months endedJune 30, 2014 totaled $170.8 million. Income taxes payable at June 30, 2014 amounted to a net amount of $29.1 million.

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Segment Discussion

Rail Group

	Three Months Ended June 30,								Six Months Ended June 30,
	2014			2013			Percent		2014			2013			Percent
	($ in millions)						Change		($ in millions)						Change
Revenues:
Rail	$	862.0		$	637.3		35.3	%	$	1,684.3		$	1,228.6		37.1	%
Components	33.6			30.7			9.4		68.7			64.9			5.9
Total revenues	895.6			668.0			34.1		1,753.0			1,293.5			35.5
Operating costs:
Cost of revenues	701.0			547.6			28.0		1,375.7			1,059.6			29.8
Selling, engineering, and administrative costs	18.6			12.5			48.8		33.8			23.1			46.3
Operating profit	$	176.0		$	107.9		63.1		$	343.5		$	210.8		63.0
Operating profit margin	19.7		%	16.2		%			19.6		%	16.3		%

As of June 30, 2014 and 2013 our Rail Group backlog of railcars was as follows:

	As of June 30,
	2014		2013
	(in millions)
External Customers	$	4,366.1	$	4,174.7
Leasing Group	1,100.7		879.8
Total	$	5,466.8	$	5,054.5

The changes in the number of railcars in the Rail Group backlog are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Beginning balance	42,630		41,265		39,895		31,990
Orders received	9,880		5,000		19,505		19,505
Shipments	(7,160	)	(5,600	)	(14,050	)	(10,830	)
Ending balance	45,350		40,665		45,350		40,665

Revenues increased for the three and six months endedJune 30, 2014 by 34.1% and 35.5%, respectively, when compared to the same periods in the prior year with approximately 80% of the increase for both periods resulting from an increase in unit deliveries with the remainder of the increase due to improved pricing and product mix changes. Cost of revenues increased for the three and six months endedJune 30, 2014 by 28.0% and 29.8%, respectively, compared to the same periods in the prior year with substantially all of the increase resulting from an increase in unit deliveries.

Unit increases, as well as product mix changes, increased total backlog dollars by 8.2% when comparing June 30, 2014 to the prior year. The average selling price in the backlog at June 30, 2014 was substantially unchanged as compared to the previous year. The backlog dedicated to the Leasing Group is supported by lease commitments with external customers. The final amount dedicated to the Leasing Group may vary by the time of delivery.

In the three months endedJune 30, 2014, railcar shipments included sales to the Leasing Group of $128.6 million compared to $189.5 million in the comparable period in 2013, with a deferred profit of $26.9 million compared to $34.7 million for the same period in 2013. In the six months endedJune 30, 2014, railcar shipments included sales to the Leasing Group of $377.7 million compared to $387.5 million in the comparable period in 2013, with a deferred profit of $76.2 million compared to $67.1 million for the same period in 2013.

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Construction Products Group

	Three Months Ended June 30,								Six Months Ended June 30,
	2014			2013			Percent		2014			2013			Percent
	($ in millions)						Change		($ in millions)						Change
Revenues:
Highway Products	$	92.0		$	96.8		(5.0	)%	$	149.9		$	166.7		(10.1	)%
Aggregates	38.9			36.0			8.1		75.4			52.0			45.0
Other	20.8			21.7			(4.1	)	39.5			39.6			(0.3	)
Total revenues	151.7			154.5			(1.8	)	264.8			258.3			2.5
Operating costs:
Cost of revenues	113.5			118.6			(4.3	)	200.9			200.3			0.3
Selling, engineering, and administrative costs	16.2			16.9			(4.1	)	31.4			31.3			0.3
Property disposition gains	(0.4		)	—					(11.6		)	—
Operating profit	$	22.4		$	19.0		17.9		$	44.1		$	26.7		65.2
Operating profit margin	14.8		%	12.3		%			16.7		%	10.3		%

Revenues decreased for the three months endedJune 30, 2014 by 1.8% compared to the same period in 2013 due to sales volume changes in our various businesses. For the six months endedJune 30, 2014, revenues increased by 2.5% compared to the same period in 2013. During the six months ended June 30, 2014, approximately two-thirds of the 45.0% increase in revenues in our Aggregates business was due to acquisitions and the remainder was due to increased sales volume while the 10.1% decrease in our Highway Products business was due to lower sales volume.

Cost of revenues decreased by 4.3% for the three months endedJune 30, 2014 compared to the same period in 2013 due to lower costs related to lower volumes from our Highway Products business partially offset by higher Aggregate volumes and a $2.6 million gain from the settlement of certain liabilities related to aggregates acquisitions in 2013. Selling, engineering, and administrative costs decreased by 4.1% for the three months endedJune 30, 2014 compared to the same period in 2013 primarily due to legal and acquisition-related expenses incurred in the second quarter of 2013. Cost of revenues and selling, engineering, and administrative costs were substantially unchanged when comparing the six months endedJune 30, 2014 to the same period in 2013. The property disposition gains for the six months ended June 30, 2014 primarily related to the sale of certain land held by our Aggregates business.

Inland Barge Group

	Three Months Ended June 30,								Six Months Ended June 30,
	2014			2013			Percent		2014			2013			Percent
	($ in millions)						Change		($ in millions)						Change
Revenues	$	165.4		$	150.0		10.3	%	$	302.3		$	297.4		1.6	%
Operating costs:
Cost of revenues	130.3			124.4			4.7		236.5			241.2			(1.9	)
Selling, engineering, and administrative costs	4.2			4.7			(10.6	)	8.2			11.0			(25.5	)
Operating profit	$	30.9		$	20.9		47.8		$	57.6		$	45.2		27.4
Operating profit margin	18.7		%	13.9		%			19.1		%	15.2		%

Revenues increased for the three and six months endedJune 30, 2014 by 10.3% and 1.6%, respectively, compared to the same periods in 2013 primarily due to favorable product mix changes. Cost of revenues increased for the three months endedJune 30, 2014 by 4.7% and decreased for the six months endedJune 30, 2014 by 1.9 % due to product mix changes when compared to the same periods in the prior year. Selling, engineering, and administrative costs decreased by 10.6% and 25.5%, respectively, for the three and six months endedJune 30, 2014 compared to the same periods in 2013 due to a legal reserve regarding a matter originating over ten years ago involving a foreign subsidiary recorded during the three months ended March 31, 2013 as well as decreased employee-related and consulting costs.

As of June 30, 2014, the backlog for the Inland Barge Group was $466.7 million compared to $563.6 million as of June 30, 2013. Deliveries for multi-year barge agreements are included in the backlog when specific production quantities for future periods have been determined.

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Energy Equipment Group

	Three Months Ended June 30,								Six Months Ended June 30,
	2014			2013			Percent		2014			2013			Percent
	($ in millions)						Change		($ in millions)						Change
Revenues:
Structural wind towers	$	78.1		$	50.0		56.2	%	$	155.3		$	107.2		44.9	%
Other	149.5			102.5			45.9		282.9			200.0			41.5
Total revenues	227.6			152.5			49.2		438.2			307.2			42.6
Operating costs:
Cost of revenues	185.0			126.7			46.0		359.2			256.8			39.9
Selling, engineering, and administrative costs	15.4			11.5			33.9		28.9			21.2			36.3
Property disposition gains	(1.1		)	—					(1.1		)	—
Operating profit	$	28.3		$	14.3		97.9		$	51.2		$	29.2		75.3
Operating profit margin	12.4		%	9.4		%			11.7		%	9.5		%

Revenues for the three and six months endedJune 30, 2014 increased by 49.2% and 42.6%, respectively, compared to the same periods in 2013 due to higher volumes in all businesses as well as certain acquisitions. Revenues from other product lines for the three months endedJune 30, 2014 increased by 45.9% with a little over half of the increase due to higher volumes and the remainder due to acquisitions. Revenues from other product lines for the six months endedJune 30, 2014 increased by 41.5% with two-thirds of the increase due to higher volumes and the remainder due to acquisitions. Revenue from structural wind towers increased by 56.2% and 44.9% for the three and six month periods ended June 30, 2014, respectively, due to increased volumes.

Cost of revenues increased by 46.0% and 39.9%, respectively, for the three and six months endedJune 30, 2014 compared to 2013 with three-fourths of the increase for both periods due to increased volumes and the remainder due to acquisitions. Selling, engineering, and administrative costs increased by 33.9% and 36.3%, respectively, for the three and six months endedJune 30, 2014 compared to 2013 due to increased compensation expenses.

The backlog for structural wind towers was $611.3 million and $642.9 million at June 30, 2014 and 2013, respectively. Approximately $412.5 million included in our backlog at June 30, 2013 is the subject of ongoing litigation with one of the Company's structural wind towers customers, leaving a remainder in backlog of $230.4 million not subject to litigation. As of September 30, 2013, the Company removed the backlog subject to litigation from its structural wind towers backlog due to the expectation that the purchases will not be made as contracted. The litigation, in which Trinity seeks damages for lost profits under the contract, is pending and is discussed in Note 18 of the Consolidated Financial Statements under "Other Matters".

In June 2014, Trinity entered into an agreement to acquire the assets of Meyer for approximately $600 million. Meyer is one of North America's leading providers of tubular steel structures for electricity transmission and distribution. The transaction is expected to close during the quarter ending September 30, 2014, subject to regulatory approval. The operations of Meyer will be included with the Company's Energy Equipment Group.

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Railcar Leasing and Management Services Group

	Three Months Ended June 30,								Six Months Ended June 30,
	2014			2013			Percent		2014			2013			Percent
	($ in millions)						Change		($ in millions)						Change
Revenues:
Leasing and management	$	160.7		$	150.7		6.6	%	$	310.9		$	285.0		9.1	%
Sales of railcars owned one year or less at the time of sale	70.8			18.9			*		363.7			19.0			*
Total revenues	$	231.5		$	169.6		36.5		$	674.6		$	304.0		121.9
Operating profit:
Leasing and management	$	75.5		$	71.0		6.3		$	139.4		$	125.8		10.8
Railcar sales:
Railcars owned one year or less at the time of sale	17.2			3.5					106.1			3.5
Railcars owned more than one year at the time of sale	9.7			1.2					87.2			8.0
Total operating profit	$	102.4		$	75.7		35.3		$	332.7		$	137.3		142.3
Operating profit margin:
Leasing and management	47.0		%	47.1		%			44.8		%	44.1		%
Railcar sales	*			*					*			*
Total operating profit margin	44.2		%	44.6		%			49.3		%	45.2		%
Selected expense information(1):
Depreciation	$	32.2		$	32.0		0.6		$	64.7		$	63.0		2.7
Maintenance	$	20.0		$	18.4		8.7		$	41.0		$	37.4		9.6
Rent	$	13.3		$	13.3		—		$	26.6		$	26.7		(0.4	)
Interest:
External	$	38.1		$	38.0				$	75.4		$	78.9
Intercompany	—			1.1					—			3.8
Total interest expense	$	38.1		$	39.1		(2.6	)	$	75.4		$	82.7		(8.8	)

* Not meaningful

⁽¹⁾ Depreciation, maintenance, and rent expense are components of operating profit. Amortization of deferred profit on railcars sold from the Rail Group to the Leasing Group is included in the operating profits of the Leasing Group resulting in the recognition of depreciation expense based on the Company's original manufacturing cost of the railcars. Interest expense is not a component of operating profit and includes the effect of hedges. Intercompany interest expense is eliminated in consolidation and arises from Trinity’s previous ownership of a portion of TRIP Holdings’ Senior Secured Notes, which notes were retired in full in May 2013. See Note 11 Debt of the Notes to Consolidated Financial Statements.

Total revenues increased by 36.5% and 121.9%, respectively, for the three and six months endedJune 30, 2014 compared to 2013 due to increased railcar sales. Of the increase in leasing and management revenues approximately two-thirds was due to higher rental rates in our lease fleet and higher utilization with the remainder due to net new investments in the lease fleet. Sales of railcars owned one year or less at the time of sale included $331.4 million in railcar sales to Element for the six months ended June 30, 2014. Additionally, proceeds from the sale of railcars owned more than one year included $222.7 million from railcar sales to Element for the six months ended June 30, 2014. These transactions were completed as part of the Company's strategic alliance with Element announced in December 2013.

Operating profit increased by 35.3% and 142.3%, respectively, for the three and six months endedJune 30, 2014 compared to 2013 due to higher profit from railcar sales. Increased profit from operations resulting from higher rental rates, increased utilization, and lease fleet additions more than offset increased maintenance and depreciation for the three and six months endedJune 30, 2014 when compared to 2013. Interest expense decreased as a result of lower borrowings.

To fund the continued expansion of its lease fleet to meet market demand, the Leasing Group generally uses its non-recourse $475 million warehouse facility or cash to provide initial financing for a portion of the purchase price of the railcars. After initial financing, the Leasing Group generally obtains long-term financing for the railcars in the lease fleet through non-recourse asset-backed securities, long-term non-recourse operating leases pursuant to sales/leaseback transactions, or long-term recourse debt such as equipment trust certificates or third-party equity. See Other Financing Activities.

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Information regarding the Leasing Group’s lease fleet follows:

	June 30, 2014		June 30, 2013
Number of railcars	73,760		74,065
Average age in years	7.5		6.9
Average remaining lease term in years	3.3		3.3
Fleet utilization	99.7	%	98.7	%

All Other

	Three Months Ended June 30,								Six Months Ended June 30,
	2014			2013			Percent		2014			2013			Percent
	($ in millions)						Change		($ in millions)						Change
Revenues	$	28.1		$	21.7		29.5	%	$	51.3		$	41.0		25.1	%
Operating costs:
Cost of revenues	29.2			23.9			22.2		55.9			44.0			27.0
Selling, engineering, and administrative costs	1.7			1.5			13.3		3.3			3.2			3.1
Property disposition losses/(gains)	(0.2		)	0.1					0.1			0.2
Operating loss	$	(2.6	)	$	(3.8	)	(31.6	)	$	(8.0	)	$	(6.4	)	25.0

Revenues increased by 29.5% and 25.1%, respectively, for the three and six months endedJune 30, 2014 compared to 2013 due to increased revenues from our transportation company resulting from higher internal shipments. The decrease in operating loss for the three months endedJune 30, 2014 was primarily due to lower reserves. The increase in operating loss for the six months endedJune 30, 2014 was due to higher costs of facility maintenance activities.

Corporate

	Three Months Ended June 30,						Six Months Ended June 30,
	2014		2013		Percent		2014		2013		Percent
	($ in millions)				Change		($ in millions)				Change
Operating costs	$	29.7	$	15.5	91.6	%	$	52.8	$	32.1	64.5	%

The increase in operating costs for the three and six months endedJune 30, 2014 compared to 2013 is primarily due to higher performance-related compensation costs and increased staffing, increased legal expenses and approximately $2.3 million in costs related to the pending asset acquisition of Meyer.

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Liquidity and Capital Resources

Cash Flows

The following table summarizes our cash flows from operating, investing, and financing activities for the six months endedJune 30, 2014 and June 30, 2013:

	Six Months Ended June 30,
	2014			2013
	(in millions)
Total cash provided by (required by):
Operating activities	$	157.4		$	273.6
Investing activities	(81.2		)	(424.9		)
Financing activities	210.6			(33.7		)
Net increase (decrease) in cash and cash equivalents	$	286.8		$	(185.0	)

Operating Activities. Net cash provided by operating activities for the six months endedJune 30, 2014 was $157.4 million compared to net cash provided by operating activities of $273.6 million for the six months endedJune 30, 2013. Cash flow provided by operating activities decreased primarily due to increased receivable and inventory levels partially offset by higher operating profits in 2014.

Receivables at June 30, 2014 increased by $136.5 million or 36.6% from December 31, 2013 primarily due to higher receivables in our Rail Group. Raw materials inventory at June 30, 2014 increased by $127.6 million or 26.8% since December 31, 2013, primarily attributable to higher levels in our Rail Group required to meet production demands. Finished goods inventory at June 30, 2014 decreased by $26.2 million or 19.2% since December 31, 2013 due to lower levels in our Rail Group. Accounts payable increased by $73.7 million to support higher inventory levels, while accrued liabilities decreased by $21.1 million from December 31, 2013 due primarily to lower balances of customer advances at June 30, 2014. We continually review reserves related to bad debt as well as the adequacy of lower of cost or market valuations related to accounts receivable and inventory.

Investing Activities. Net cash required by investing activities for the six months endedJune 30, 2014 was $81.2 million compared to $424.9 million for the six months endedJune 30, 2013. Capital expenditures for the six months endedJune 30, 2014 were $157.0 million, which included $307.1 million for additions to the lease fleet net of $257.6 million for the cost of sold lease fleet railcars owned one year or less. This compares to $365.9 million of capital expenditures for the same period last year, of which $308.5 million were for net additions to the lease fleet. Full-year manufacturing/corporate capital expenditures for 2014 are projected to range between $250.0 million and $300.0 million. For 2014, we do not expect the net investment in new railcars to consume any cash after considering the expected proceeds received from leased railcar sales during the year. Proceeds from the sale of property, plant, and equipment and other assets totaled $263.1 million for the six months endedJune 30, 2014, including railcar sales from the lease fleet owned more than one year at the time of sale totaling $242.1 million. This compares to $39.2 million for the same period in 2013, including railcar sales from the lease fleet owned more than one year at the time of sale totaling $39.1 million. Net cash required related to acquisitions amounted to $118.8 million for the six months endedJune 30, 2014. Short-term marketable securities for the six months endedJune 30, 2014 increased by $68.8 million.

Financing Activities. Net cash provided by financing activities during the six months endedJune 30, 2014 was $210.6 million compared to $33.7 million of cash required by financing activities for the same period in 2013. During the six months endedJune 30, 2014, we retired $90.1 million in debt as scheduled. We borrowed $332.1 million, net of debt issuance costs, during the six months endedJune 30, 2014, from the issuance by TRIP Master Funding of its 2014-1 Secured Railcar Equipment Notes, as further described below. Also, during the six months endedJune 30, 2014, we received $49.6 million in equity contributions from noncontrolling interests in one of the Company's partially-owned leasing subsidiaries. During the six months endedJune 30, 2013, we retired $177.4 million in debt principally consisting of the repayment of the Leasing Group term loan and the TRIP Holdings senior secured notes in full. Additionally, during the six months endedJune 30, 2013, we received proceeds of $294.9 million related to the sale of equity interests to third party investors in certain partially-owned leasing subsidiaries and TRIP Holdings repurchased the equity interests of certain equity investors for $84.0 million. We intend to use our cash and committed credit facilities to fund the operations, expansions, and growth initiatives of the Company.

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Other Investing and Financing Activities

At June 30, 2014 and for the six month period then ended, there were no borrowings under our $425.0 million revolving credit facility that matures on October 20, 2016. Interest on the revolving credit facility is calculated at Libor plus 1.50% or prime plus 0.50%. After subtracting $67.1 million for letters of credit outstanding, $357.9 million was available under the revolving credit facility as of June 30, 2014.

The $475.0 million TILC warehouse loan facility, established to finance railcars owned by TILC, had $132.0 million outstanding with $343.0 million unused, of which $251.4 million was available as of June 30, 2014 based on the amount of warehouse-eligible, unpledged equipment. The warehouse loan is a non-recourse obligation secured by a portfolio of railcars and operating leases, certain cash reserves, and other assets acquired and owned by the warehouse loan facility. The principal and interest of this indebtedness are paid from the cash flows of the underlying leases. Advances under the facility bear interest at a defined index rate plus a margin, for an all-in interest rate of 1.92% at June 30, 2014. In June 2013, the warehouse loan facility was renewed and extended through June 2015. Amounts outstanding at maturity, absent renewal, will be payable in three installments in December 2015, June 2016, and December 2016.

In March 2014, the Company’s Board of Directors authorized a new $250 million share repurchase program that expires on December 31, 2015 and replaced the Company's previously authorized $200 million share repurchase program. Under the new program, 63,600 shares and 340,146 shares, respectively, were repurchased during the three and six months endedJune 30, 2014, at a cost of approximately $2.5 million and $12.5 million, respectively.

During the six months endedJune 30, 2014, we completed the acquisition of WesMor Cryogenic Companies and Alloy Custom Products, Inc., expanding the Company's engineering and manufacturing capabilities to provide cryogenic storage and transportation products. We also completed the acquisition of Platinum Energy Services in Alberta, Canada, a manufacturer and reseller of oil and gas process and storage equipment and the acquisition of a galvanizing services business located in Texas. In June 2014, Trinity entered into an agreement to acquire the assets of Meyer for approximately $600 million. The transaction is expected to close during the quarter ending September 30, 2014, subject to regulatory approval.

During the six months endedJune 30, 2014, the Company received proceeds of $635.7 million from the sale of leased railcars to Element under the strategic alliance with Element announced in December 2013, including $81.6 million recorded as revenue by the Rail Group. From the total proceeds received from Element, the Leasing Group recorded $331.4 million in revenue from the sale of railcars owned one year or less at the time of sale. The remainder of the proceeds of $222.7 million is attributable to the sale of railcars owned more than one year at the time of sale and is, consequently, excluded from revenue.

In May 2014, TRIP Master Funding issued $335.7 million in aggregate principal amount of Series 2014-1 Secured Railcar Equipment Notes pursuant to the Master Indenture between TRIP Master Funding and Wilmington Trust Company, as indenture trustee, with a final maturity date of April 2044. The TRIP Master Funding Series 2014-1 Secured Railcar Equipment Notes consist of two classes with the Class A-1 notes bearing interest at 2.86% and the Class A-2 notes bearing interest at 4.09%. The TRIP Master Funding Secured Railcar Equipment Notes are non-recourse to Trinity, TILC, TRIP Holdings, and the other equity investors in TRIP Holdings and are secured by TRIP Master Funding's portfolio of railcars and operating leases thereon, its cash reserves, and all other assets owned by TRIP Master Funding. As of June 30, 2014, there were $114.3 million and $220.7 million of Class A-1 and Class A-2 notes outstanding, respectively.

In May 2014, the Company's Board of Directors authorized a 2-for-1 stock split. The stock split was issued in the form of a 100% stock dividend. The additional shares were distributed on June 19, 2014, to shareholders of record at the close of business on June 5, 2014. All share and per share information, including dividends, has been retroactively adjusted to reflect the 2-for-1 stock split, except for the statement of stockholders' equity which reflects the stock split by reclassifying from "Capital in Excess of Par Value" to "Common Stock" in the amount of $78.0 million which equals the par value of the additional shares issued to effect the stock split.

Demand conditions and corresponding order levels for new railcars and barges serving the oil, gas, and chemicals industries continue to be favorable. Demand conditions and corresponding order levels in other markets, including cementand agricultural products, have recently begun to strengthen for both freight railcars and hopper barges while demand for products supporting the coal market remains weak. The slowdown in the commercial construction markets, budgetary constraints at the Federal and state level, and unfavorable weather conditions have negatively impacted the results of our Highway Products business while acquisition related volumes have contributed favorably to the results in our Aggregates business.

42

We continually assess our manufacturing capacity and take steps to align our production capacity with demand for our products. Due to improvements in demand for certain products, we have continued to increase production staff at certain facilities. We expect that facilities on non-operating status will be available for future operations should demand increase further.

Future Operating Requirements

We expect to finance future operating requirements with cash on hand, cash flows from operations, and, depending on market conditions, short-term and long-term debt, and equity. Debt instruments that the Company has utilized include its revolving credit facility, the TILC warehouse facility, senior notes, convertible subordinated notes, asset-backed securities, and sale-leaseback transactions. The Company has also issued equity at various times. As of June 30, 2014, the Company had unrestricted cash and short-term marketable securities balances of $933.8 million, $357.9 million available under its revolving credit facility, and $251.4 million available under its TILC warehouse facility. The Company believes it has access to adequate capital resources to fund operating requirements and is an active participant in the capital markets.

Off Balance Sheet Arrangements

See Note 6 of the Consolidated Financial Statements for information about off balance sheet arrangements.

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Derivative Instruments

We use derivative instruments to mitigate the impact of changes in interest rates, both in anticipation of future debt issuances and to offset interest rate variability of certain floating rate debt issuances outstanding. We also use derivative instruments to mitigate the impact of changes in natural gas and diesel fuel prices and changes in foreign currency exchange rates. Derivative instruments that are designated and qualify as cash flow hedges are accounted for in accordance with applicable accounting standards. See Note 3 of the Consolidated Financial Statements for discussion of how the Company valued its interest rate swaps at June 30, 2014. See Note 11 of the Consolidated Financial Statements for a description of the Company's debt instruments.

Interest rate hedges

					Included in accompanying balance sheet at June 30, 2014
	Notional Amount		Interest Rate(1)		Liability		AOCL – loss/ (income)			Noncontrolling Interest
	(in millions, except %)
Expired hedges:
2006 secured railcar equipment notes	$	200.0	4.87	%	$	—	$	(1.5	)	$	—
Promissory notes	$	370.0	5.34	%	$	—	$	2.6		$	—
TRIP Holdings warehouse loan	$	788.5	3.60	%	$	—	$	11.1		$	15.0
Open hedges:
TRIP Master Funding secured railcar equipment notes	$	61.5	2.62	%	$	2.3	$	1.0		$	1.3
Promissory notes	$	401.5	4.13	%	$	14.2	$	12.8		$	—

⁽¹⁾  Weighted average fixed interest rate

	Effect on interest expense - increase/(decrease)
	Three Months Ended June 30,						Six Months Ended June 30,						Expected effect during next twelve months(1)
	2014			2013			2014			2013
	(in millions)
Expired hedges:
2006 secured railcar equipment notes	$	(0.1	)	$	(0.1	)	$	(0.2	)	$	(0.2	)	$	(0.3	)
Promissory notes	$	0.7		$	0.8		$	1.5		$	1.6		$	2.6
TRIP Holdings warehouse loan	$	1.3		$	1.5		$	2.6		$	3.5		$	5.0
Open hedges:
TRIP Master Funding secured railcar equipment notes	$	0.4		$	0.4		$	0.8		$	0.9		$	1.4
Promissory notes	$	3.8		$	4.1		$	7.7		$	8.0		$	14.2

⁽¹⁾ Based on the fair value of open hedges as of June 30, 2014

During 2005 and 2006, we entered into interest rate swap derivatives in anticipation of issuing our 2006 Secured Railcar Equipment Notes. These derivative instruments, with a notional amount of $200.0 million, were settled in 2006 and fixed the interest rate on a portion of the related debt issuance. These derivative instrument transactions are being accounted for as cash flow hedges with changes in the fair value of the instruments of $4.5 million in income recorded in AOCL through the date the related debt issuance closed in 2006. The balance is being amortized over the term of the related debt. The effect on interest expense is due to amortization of the AOCL balance.

During 2006 and 2007, we entered into interest rate swap derivatives in anticipation of issuing our Promissory Notes. These derivative instruments, with a notional amount of $370.0 million, were settled in 2008 and fixed the interest rate on a portion of the related debt issuance. These derivative instrument transactions are being accounted for as cash flow hedges with changes in the fair value of the instruments of $24.5 million recorded as a loss in AOCL through the date the related debt issuance closed in 2008. The balance is being amortized over the term of the related debt. The effect on interest expense is due to amortization of the AOCL balance.

44

In 2008, we entered into an interest rate swap derivative instrument, expiring in 2015, to fix the variable Libor component of the Promissory Notes. This derivative instrument transaction is being accounted for as a cash flow hedge. The effect on interest expense is primarily a result of monthly interest settlements.

Between 2007 and 2009, TRIP Holdings, as required by the TRIP Warehouse Loan, entered into interest rate swap derivatives, all of which qualified as cash flow hedges, to reduce the effect of changes in variable interest rates in the TRIP Warehouse Loan. In July 2011, these interest rate hedges were terminated in connection with the refinancing of the TRIP Warehouse Loan. Balances included in AOCL at the date the hedges were terminated are being amortized over the expected life of the new debt with $5.0 million of additional interest expense expected to be recognized during the twelve months following June 30, 2014. Also in July 2011, TRIP Holdings’ wholly-owned subsidiary, TRIP Master Funding, entered into an interest rate swap derivative instrument, expiring in 2021, with an initial notional amount of $94.1 million to reduce the effect of changes in variable interest rates associated with the Class A-1b notes of the TRIP Master Funding secured railcar equipment notes. The effect on interest expense is primarily a result of monthly interest settlements.

See Note 11 of the Consolidated Financial Statements regarding the related debt instruments.

Other Derivatives

Natural gas and diesel fuel

We maintain a program to mitigate the impact of fluctuations in the price of natural gas and diesel fuel purchases. The intent of the program is to protect our operating profit from adverse price changes by entering into derivative instruments. For those instruments that do not qualify for hedge accounting treatment, any changes in their valuation are recorded directly to the consolidated statement of operations. The amounts recorded in the consolidated financial statements as of June 30, 2014 for these instruments were not significant.

Foreign exchange hedge

We enter into foreign exchange hedges to mitigate the impact on operating profit of unfavorable fluctuations in foreign currency exchange rates. The amounts recorded in the consolidated financial statements as of June 30, 2014 for these instruments were not significant.

Contractual Obligation and Commercial Commitments

As of June 30, 2014, contractual obligations related to letters of credit decreased to $68.0 million from $69.6 million as of December 31, 2013. Refer to Note 11 of the Consolidated Financial Statements for changes to our outstanding debt and maturities. Contractual obligations that relate to operating leases including sale/leaseback transactions were substantially unchanged as of June 30, 2014. See Note 6 of the Consolidated Financial Statements regarding operating lease obligations. In June 2014, Trinity entered into an agreement to acquire the assets of Meyer for approximately $600 million. The transaction is expected to close during the quarter ending September 30, 2014, subject to regulatory approval.

Recent Accounting Pronouncements

See Note 1 of the Consolidated Financial Statements for information about recent accounting pronouncements.

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Forward-Looking Statements

This quarterly report on Form 10-Q (or statements otherwise made by the Company or on the Company’s behalf from time to time in other reports, filings with the Securities and Exchange Commission (“SEC”), news releases, conferences, World Wide Web postings or otherwise) contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Any statements contained herein that are not historical facts are forward-looking statements and involve risks and uncertainties. These forward-looking statements include expectations, beliefs, plans, objectives, future financial performances, estimates, projections, goals, and forecasts. Trinity uses the words “anticipates,” “believes,” “estimates,” “expects,” “intends,” “forecasts,” “may,” “will,” “should,” and similar expressions to identify these forward-looking statements. Potential factors, which could cause our actual results of operations to differ materially from those in the forward-looking statements include, among others:

• market conditions and demand for our business products and services;

• the cyclical nature of industries in which we compete;

• variations in weather in areas where our construction products are sold, used, or installed;

• naturally-occurring events and disasters causing disruption to our manufacturing, product deliveries, and production capacity, thereby giving rise to an increase in expenses, loss of revenue, and property losses;

• the timing of introduction of new products;

• the timing and delivery of customer orders or a breach of customer contracts;

• the credit worthiness of customers and their access to capital;

• product price changes;

• changes in mix of products sold;

• the extent of utilization of manufacturing capacity;

• availability and costs of steel, component parts, supplies, and other raw materials;

• competition and other competitive factors;

• changing technologies;

• surcharges and other fees added to fixed pricing agreements for steel, component parts, supplies and other raw materials;

• interest rates and capital costs;

• counter-party risks for financial instruments;

• long-term funding of our operations;

• taxes;

• the stability of the governments and political and business conditions in certain foreign countries, particularly Mexico;

• changes in import and export quotas and regulations;

• business conditions in emerging economies;

• costs and results of litigation;

• changes in accounting standards or inaccurate estimates or assumptions in the application of accounting policies; and

• legal, regulatory, and environmental issues.

Any forward-looking statement speaks only as of the date on which such statement is made. Trinity undertakes no obligation to update any forward-looking statement to reflect events or circumstances after the date on which such statement is made.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk

There has been no material change in our market risks since December 31, 2013 as set forth in Item 7A of our 2013 Form 10-K. Refer to Item 2, Management's Discussion and Analysis of Financial Condition and Results of Operations, for a discussion of debt-related activity and the impact of hedging activity for the three and six months endedJune 30, 2014.

Item 4. Controls and Procedures.

Disclosure Controls and Procedures

The Company maintains disclosure controls and procedures designed to ensure that it is able to collect and record the information it is required to disclose in the reports it files with the SEC, and to process, summarize, and disclose this information within the time periods specified in the rules of the SEC. The Company’s Chief Executive and Chief Financial Officers are responsible for establishing and maintaining these procedures and, as required by the rules of the SEC, evaluating their effectiveness. Based on their evaluation of the Company’s disclosure controls and procedures that took place as of the end of the period covered by this report, the Chief Executive and Chief Financial Officers believe that these procedures are effective to 1) ensure that the Company is able to collect, process, and disclose the information it is required to disclose in the reports it files with the SEC within the required time periods and 2) accumulate and communicate this information to the Company’s management, including its Chief Executive and Chief Financial Officers, to allow timely decisions regarding disclosure.

Internal Controls over Financial Reporting

The Company maintains a system of internal controls designed to provide reasonable assurance that: transactions are executed in accordance with management’s general or specific authorization; transactions are recorded as necessary 1) to permit preparation of financial statements in conformity with generally accepted accounting principles, and 2) to maintain accountability for assets; access to assets is permitted only in accordance with management’s general or specific authorization; and the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences.

During the period covered by this report, there have been no changes in the Company’s internal controls over financial reporting that have materially affected or are reasonably likely to materially affect the Company’s internal controls over financial reporting.

47

PART II

Item 1.Legal Proceedings

The information provided in Note 18 of the Consolidated Financial Statements is hereby incorporated into this Part II, Item 1 by reference.

Item 1A.Risk Factors

There have been no material changes from the risk factors previously disclosed in Item 1A of our 2013 Form 10-K.

Item 2.Unregistered Sales of Equity Securities and Use of Proceeds

This table provides information with respect to purchases by the Company of shares of its Common Stock during the quarter endedJune 30, 2014:

Period	Number of Shares Purchased(1)	Average Price Paid per Share (1)		Total Number of Shares  (or Units) Purchased as Part of Publicly Announced Plans or Programs (2)	Maximum Number (or Approximate Dollar Value) of Shares (or Units) that May Yet Be Purchased Under the Plans or Programs (2)
April 1, 2014 through April 30, 2014	2,450	$	35.31	—	$	239,965,681
May 1, 2014 through May 31, 2014	1,006,260	$	40.11	63,600	$	237,483,972
June 1, 2014 through June 30, 2014	2,809	$	41.90	—	$	237,483,972
Total	1,011,519	$	40.11	63,600	$	237,483,972

⁽¹⁾ These columns include the following transactions during the three months endedJune 30, 2014: (i) the deemed surrender to the Company of 1,372 shares of common stock to pay the exercise price and satisfy tax withholding in connection with the exercise of employee stock options, (ii) the surrender to the Company of 944,468 shares of common stock to satisfy tax withholding obligations in connection with the vesting of restricted stock issued to employees, (iii) the purchase of 2,079 shares of common stock by the Trustee for assets held in a non-qualified employee profit-sharing plan trust, and (iv) the purchase of 63,600 shares of common stock on the open market as part of the stock repurchase program.

⁽²⁾ In March 2014, the Company’s Board of Directors authorized a new $250 million share repurchase program that expires on December 31, 2015 and replaced the Company's previously authorized $200 million share repurchase program. Under the new program, 63,600 shares were repurchased during the three months endedJune 30, 2014, at a cost of approximately $2.5 million. The approximate dollar value of shares that were eligible to be repurchased under such share repurchase program is shown as of the end of such month or quarter.

Item 3.Defaults Upon Senior Securities

None.

Item 4.Mine Safety Disclosures

The information concerning mine safety violations or other regulatory matters required by Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K is included in Exhibit 95 to this Form 10-Q.

Item 5.Other Information

None.

48

Item 6. Exhibits

NO.	DESCRIPTION
(2.1)	Purchase Agreement, dated as of June 26, 2014, by and among McKinley 2014 Acquisition LLC, Thomas & Betts Corporation and Thomas & Betts International, LLC (incorporated by reference to Exhibit 2.1 to our Form 8-K filed June 30, 2014).
(31.1)	Rule 13a-15(e) and 15d-15(e) Certification of the Chief Executive Officer (filed herewith).
(31.2)	Rule 13a-15(e) and 15d-15(e) Certification of the Chief Financial Officer (filed herewith).
(32.1)	Certification pursuant to 18U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (filed herewith).
(32.2)	Certification pursuant to 18U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (filed herewith).
(95)	Mine Safety Disclosure Exhibit (filed herewith).
101.INS	XBRL Instance Document (filed electronically herewith)
101.SCH	XBRL Taxonomy Extension Schema Document (filed electronically herewith)
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document (filed electronically herewith)
101.LAB	XBRL Taxonomy Extension Label Linkbase Document (filed electronically herewith)
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document (filed electronically herewith)
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document (filed electronically herewith)

_____________________________

* Management contracts and compensatory plan arrangements.

49

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

TRINITY INDUSTRIES, INC.	By	/s/ James E. Perry
Registrant
		James E. Perry
		Senior Vice President and
		Chief Financial Officer
		July 30, 2014

50

INDEX TO EXHIBITS
NO.	DESCRIPTION
(2.1)	Purchase Agreement, dated as of June 26, 2014, by and among McKinley 2014 Acquisition LLC, Thomas & Betts Corporation and Thomas & Betts International, LLC (incorporated by reference to Exhibit 2.1 to our Form 8-K filed June 30, 2014).
(31.1)	Rule 13a-15(e) and 15d-15(e) Certification of the Chief Executive Officer (filed herewith).
(31.2)	Rule 13a-15(e) and 15d-15(e) Certification of the Chief Financial Officer (filed herewith).
(32.1)	Certification pursuant to 18U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (filed herewith).
(32.2)	Certification pursuant to 18U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (filed herewith).
(95)	Mine Safety Disclosure Exhibit (filed herewith).
101.INS	XBRL Instance Document (filed electronically herewith)
101.SCH	XBRL Taxonomy Extension Schema Document (filed electronically herewith)
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document (filed electronically herewith)
101.LAB	XBRL Taxonomy Extension Label Linkbase Document (filed electronically herewith)
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document (filed electronically herewith)
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document (filed electronically herewith)

____________

* Management contracts and compensatory plan arrangements.

51

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Timothy R. Wallace, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Trinity Industries, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 30, 2014

/s/ Timothy R. Wallace

Timothy R. Wallace

Chairman, Chief Executive Officer, and President

EX-31.2

Exhibit 31.2

CERTIFICATION

I, James E. Perry, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Trinity Industries, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 30, 2014

/s/ James E. Perry

James E. Perry

Senior Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Trinity Industries, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2014 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Timothy R. Wallace, Chairman, Chief Executive Officer, and President of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company, as of, and for, the periods presented in the Report.

/s/ Timothy R. Wallace

Timothy R. Wallace

Chairman, Chief Executive Officer, and President

July 30, 2014

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Trinity Industries, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2014 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, James E. Perry, Senior Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company, as of, and for, the periods presented in the Report.

/s/ James E. Perry

James E. Perry

Senior Vice President and Chief Financial Officer

July 30, 2014

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

EX-95

Exhibit 95

Mine Safety Disclosures

The Company owned or operated sand, gravel, shale, clay, and aggregate quarries during the three months ended June 30, 2014. The Financial Reform Act ("Dodd-Frank") requires us to disclose in our periodic reports filed with the SEC, specific information about each of our quarries comprised of notices, violations, and orders¹ made by the Federal Mine Safety and Health Administration pursuant to the Federal Mine Safety and Health Act of 1977.

The following table is a summary of the reportable information required for our quarries that operated during the three months ended June 30, 2014:

Mine or Operating  Name/MSHA  Identification  Number	Section 104 S&S Citations (#)	Section 104(b) Orders (#)	Section 104(d) Citations and Orders (#)	Section 110(b)(2) Violations (#)		Section 107(a) Orders (#)	Total Dollar Value of MSHA Assessments Proposed ($)			Total Number of Mining Related Fatalities (#)	Received Notice of Pattern of Violation Under Section 104(e) (yes/no)	Received Notice of Potential to Have Pattern under Section 104(e) (yes/no)	Legal Actions Pending as of Last Day of Period (#)	Legal  Actions  Initiated  During  Period  (#)	Legal Actions Resolved During Period (#)
Rye (4102547)	—	—	—		—	—	$	—		—	No	No	—	—	—
Belton (4101043)	—	—	—		—	—	$	—		—	No	No	—	—	—
Malloy Bridge (4102946)	—	—	—		—	—	$	—		—	No	No	—	—	—
Cottonwood (4104553)	—	—	—		—	—	$	—		—	No	No	—	—	—
Wills Point (4104113)	—	—	—		—	—	$	—		—	No	No	—	—	—
Indian Village (1600348)	—	—	—		—	—	$	—		—	No	No	—	—	—
Lockesburg (0301681)	—	—	—		—	—	$	—		—	No	No	—	—	—
Kopperl (4104450)	—	—	—		—	—	$	200	2	—	No	No	—	—	—
Wills Point II (4104071)	—	—	—		—	—	$	—		—	No	No	—	—	—
Asa (4104399)	—	—	—		—	—	$	—		—	No	No	—	—	—
Paradise (4103253)	—	—	—		—	—	$	—		—	No	No	—	—	—
Anacoco (1600543)	—	—	—		—	—	$	—		—	No	No	—	—	—
Streetman (4101628)	—	—	—		—	—	$	—		—	No	No	—	—	—
Boulder (0504415)	2	—	—		—	—	$	3,824	3	—	No	No	—	—	—
Frazier Park (0400555)	—	—	—		—	—	$	—		—	No	No	—	—	—

1	Significant and Substantial (S&S) citations are reported on this form. Non-S&S citations are not reported on this form but any assessments resulting from non-S&S citations are reported.
2	The facility was issued two non-S&S citations.
3	The facility was issued two S&S citations and two non-S&S citations.

XML

Other, Net (Tables)

6 Months Ended

Jun. 30, 2014

Other Income and Expenses [Abstract]

Other, net (income) expense

Other, net (income) expense consists of the following items:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Foreign currency exchange transactions	$	(0.3	)	$	0.8		$	0.1		$	0.5
Gain on equity investments	(0.4		)	(0.1		)	(0.6		)	(0.2		)
Other	(0.7		)	0.2			(1.3		)	(2.1		)
Other, net	$	(1.4	)	$	0.9		$	(1.8	)	$	(1.8	)

XML

Railcar Leasing and Management Services Group (Details 2) (Railcar Leasing and Management Services Group, USD $) In Millions, unless otherwise specified	Jun. 30, 2014
Railcar Leasing and Management Services Group
Future contractual minimum rental revenues on leases
Remaining six months of 2014	$ 221.0
2015	388.9
2016	325.1
2017	261.7
2018	196.6
Thereafter	295.8
Total	$ 1,689.1

XML

Fair Value Accounting (Details 1) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Carrying amounts and estimated fair values of long-term debt
Less: unamortized discount	$ (67.0)	[1]	$ (74.1)
Notes payable	1,260.7	[1]	1,314.7
Total debt	3,242.5	[1]	2,989.8
Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Total debt	1,301.3		1,356.9
Partially-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Total debt	1,557.3		1,256.1
Recourse
Carrying amounts and estimated fair values of long-term debt
Less: unamortized discount	(67.0)		(74.1)
Total debt	424.5		419.0
Recourse | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Less: unamortized discount	0		0
Total debt	40.6		42.2
Recourse | Partially-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Less: unamortized discount	0		0
Total debt	0		0
Carrying Value
Carrying amounts and estimated fair values of long-term debt
Total debt	3,242.5		2,989.8
Carrying Value | Recourse
Carrying amounts and estimated fair values of long-term debt
Total debt	424.5		419.0
Carrying Value | Recourse | Corporate
Carrying amounts and estimated fair values of long-term debt
Convertible subordinated notes	450.0		450.0
Less: unamortized discount	(67.0)		(74.1)
Convertible subordinated notes, net	383.0		375.9
Other	0.9		0.9
Total debt	383.9		376.8
Carrying Value | Recourse | Capital lease obligations | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Capital lease obligations	40.6		42.2
Carrying Value | Non-recourse | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Total debt	2,818.0		2,570.8
Carrying Value | Non-recourse | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Total debt	1,260.7		1,314.7
Carrying Value | Non-recourse | Partially-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	1,557.3		1,256.1
Carrying Value | Non-recourse | 2006 secured railcar equipment notes | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	232.5		240.7
Carrying Value | Non-recourse | Promissory notes | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	382.0		396.1
Carrying Value | Non-recourse | 2009 secured railcar equipment notes | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	194.1		199.0
Carrying Value | Non-recourse | 2010 secured railcar equipment notes | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	320.1		326.9
Carrying Value | Non-recourse | TILC warehouse facility | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Loans payable	132.0		152.0
Carrying Value | Non-recourse | TRL 2012 secured railcar equipment notes - RIV 2013 | Partially-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	486.6		499.3
Carrying Value | Non-recourse | TRIP Master Funding secured railcar equipment notes | Partially-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	1,070.7		756.8
Estimated Fair Value
Carrying amounts and estimated fair values of long-term debt
Total debt	3,867.6		3,312.7
Estimated Fair Value | Recourse
Carrying amounts and estimated fair values of long-term debt
Total debt	879.4		636.5
Estimated Fair Value | Recourse | Corporate
Carrying amounts and estimated fair values of long-term debt
Convertible subordinated notes	837.9		593.4
Other	0.9		0.9
Estimated Fair Value | Recourse | Capital lease obligations | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Capital lease obligations	40.6		42.2
Estimated Fair Value | Non-recourse | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Total debt	2,988.2		2,676.2
Estimated Fair Value | Non-recourse | 2006 secured railcar equipment notes | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	256.4		259.2
Estimated Fair Value | Non-recourse | Promissory notes | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	376.9		389.6
Estimated Fair Value | Non-recourse | 2009 secured railcar equipment notes | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	233.5		229.5
Estimated Fair Value | Non-recourse | 2010 secured railcar equipment notes | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	351.8		342.7
Estimated Fair Value | Non-recourse | TILC warehouse facility | Wholly-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Loans payable	132.0		152.0
Estimated Fair Value | Non-recourse | TRL 2012 secured railcar equipment notes - RIV 2013 | Partially-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	485.1		483.4
Estimated Fair Value | Non-recourse | TRIP Master Funding secured railcar equipment notes | Partially-owned subsidiaries | Railcar Leasing and Management Services Group
Carrying amounts and estimated fair values of long-term debt
Notes payable	$ 1,152.5		$ 819.8

[1] (unaudited)

XML

Income Taxes (Details 1) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Change in unrecognized tax benefits
Beginning balance	$ 55.0	$ 48.7
Additions for tax positions related to the current year	2.6	2.3
Additions for tax positions of prior years	0	0.9
Reductions for tax positions of prior years	(0.1)	0
Expiration of statute of limitations	0	(0.1)
Ending balance	$ 57.5	$ 51.8

XML

Railcar Leasing and Management Services Group (Details 3) (Railcar Leasing and Management Services Group, USD $) In Millions, unless otherwise specified	Jun. 30, 2014
Future contractual minimum rental revenues on leases
Remaining six months of 2014	$ 221.0
2015	388.9
2016	325.1
2017	261.7
2018	196.6
Thereafter	295.8
Total	1,689.1
Operating leases with the Trusts
Future contractual minimum rental obligations on leases
Remaining six months of 2014	22.4
2015	43.0
2016	40.0
2017	41.8
2018	45.2
Thereafter	253.3
Total	445.7
Future contractual minimum rental revenues on leases
Remaining six months of 2014	35.3
2015	61.7
2016	50.9
2017	40.2
2018	29.6
Thereafter	50.2
Total	$ 267.9

XML

Acquisitions and Divestitures (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income tax benefit	$ 0	$ (0.5)	$ (0.2)	$ (0.8)
Net loss from discontinued operations	(0.2)	(1.1)	(0.5)	(1.5)
Ready-Mix Concrete Operations
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenues	0	0	0	31.6
Loss from discontinued operations before income taxes	(0.2)	(1.6)	(0.7)	(2.3)
Income tax benefit	0	(0.5)	(0.2)	(0.8)
Net loss from discontinued operations	$ (0.2)	$ (1.1)	$ (0.5)	$ (1.5)

XML

Railcar Leasing and Management Services Group (Tables)

6 Months Ended

Jun. 30, 2014

Future Contractual Minimum Rental Revenues on Leases [Line Items]

Selected consolidating financial information for the Leasing Group

Selected consolidating financial information for the Leasing Group is as follows:

	June 30, 2014
	Leasing Group
	Wholly- Owned Subsidiaries		Partially-Owned Subsidiaries		Manufacturing/ Corporate			Total
	(in millions)
Cash, cash equivalents, and short-term marketable securities	$	3.3	$	—	$	930.5		$	933.8
Property, plant, and equipment, net	$	2,436.8	$	2,030.4	$	740.5		$	5,207.7
Net deferred profit on railcars sold to the Leasing Group								(537.0		)
Consolidated property, plant and equipment, net								$	4,670.7
Restricted cash	$	157.9	$	90.6	$	—		$	248.5
Debt:
Recourse	$	40.6	$	—	$	450.9		$	491.5
Less: unamortized discount	—		—		(67.0		)	(67.0		)
	40.6		—		383.9			424.5
Non-recourse	1,260.7		1,557.3		—			2,818.0
Total debt	$	1,301.3	$	1,557.3	$	383.9		$	3,242.5
Net deferred tax liabilities	$	647.8	$	0.1	$	(8.2	)	$	639.7

	December 31, 2013
	Leasing Group
	Wholly- Owned Subsidiaries		Partially-Owned Subsidiaries		Manufacturing/ Corporate			Total
	(in millions)
Cash, cash equivalents, and short-term marketable securities	$	3.5	$	—	$	574.7		$	578.2
Property, plant, and equipment, net	$	2,964.6	$	1,685.1	$	670.6		$	5,320.3
Net deferred profit on railcars sold to the Leasing Group								(549.7		)
Consolidated property, plant and equipment, net								$	4,770.6
Restricted cash	$	183.6	$	77.1	$	—		$	260.7
Debt:
Recourse	$	42.2	$	—	$	450.9		$	493.1
Less: unamortized discount	—		—		(74.1		)	(74.1		)
	42.2		—		376.8			419.0
Non-recourse	1,314.7		1,256.1		—			2,570.8
Total debt	$	1,356.9	$	1,256.1	$	376.8		$	2,989.8
Net deferred tax liabilities	$	671.9	$	—	$	(32.5	)	$	639.4

Net deferred profit on railcars sold to the Leasing Group consists of intersegment profit that is eliminated in consolidation and is, therefore, not allocated to an operating segment. See Note 5 Partially-Owned Leasing Subsidiaries and Note 11 Debt for a further discussion regarding the Company’s investment in its partially-owned leasing subsidiaries and the related indebtedness.

Selected consolidating income statement information for the Leasing Group

	Three Months Ended June 30,								Six Months Ended June 30,
	2014			2013			Percent		2014			2013			Percent
	($ in millions)						Change		($ in millions)						Change
Revenues:
Leasing and management	$	160.7		$	150.7		6.6	%	$	310.9		$	285.0		9.1	%
Sales of railcars owned one year or less at the time of sale	70.8			18.9			*		363.7			19.0			*
Total revenues	$	231.5		$	169.6		36.5		$	674.6		$	304.0		121.9
Operating profit:
Leasing and management	$	75.5		$	71.0		6.3		$	139.4		$	125.8		10.8
Railcar sales:
Railcars owned one year or less at the time of sale	17.2			3.5					106.1			3.5
Railcars owned more than one year at the time of sale	9.7			1.2					87.2			8.0
Total operating profit	$	102.4		$	75.7		35.3		$	332.7		$	137.3		142.3
Operating profit margin:
Leasing and management	47.0		%	47.1		%			44.8		%	44.1		%
Railcar sales	*			*					*			*
Total operating profit margin	44.2		%	44.6		%			49.3		%	45.2		%
Selected expense information(1):
Depreciation	$	32.2		$	32.0		0.6		$	64.7		$	63.0		2.7
Maintenance	$	20.0		$	18.4		8.7		$	41.0		$	37.4		9.6
Rent	$	13.3		$	13.3		—		$	26.6		$	26.7		(0.4	)
Interest:
External	$	38.1		$	38.0				$	75.4		$	78.9
Intercompany	—			1.1					—			3.8
Total interest expense	$	38.1		$	39.1		(2.6	)	$	75.4		$	82.7		(8.8	)

 * Not meaningful

⁽¹⁾ Depreciation, maintenance, and rent expense are components of operating profit. Amortization of deferred profit on railcars sold from the Rail Group to the Leasing Group is included in the operating profits of the Leasing Group resulting in the recognition of depreciation expense based on the Company's original manufacturing cost of the railcars. Interest expense is not a component of operating profit and includes the effect of hedges. Intercompany interest expense is eliminated in consolidation and arises from Trinity’s previous ownership of a portion of TRIP Holdings’ Senior Secured Notes, which notes were retired in full in May 2013. See Note 11 Debt.

Future contractual minimum rental revenues on leases

Future contractual minimum rental revenues on leases are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter		Total
	(in millions)
Future contractual minimum rental revenue	$	221.0	$	388.9	$	325.1	$	261.7	$	196.6	$	295.8	$	1,689.1

Operating leases with the Trusts

Future Contractual Minimum Rental Revenues on Leases [Line Items]

Future operating lease obligations and future contractual minimum rental revenues

Future operating lease obligations of the Leasing Group’s subsidiaries as well as future contractual minimum rental revenues related to these leases due to the Leasing Group are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter		Total
	(in millions)
Future operating lease obligations of Trusts’ railcars	$	22.4	$	43.0	$	40.0	$	41.8	$	45.2	$	253.3	$	445.7
Future contractual minimum rental revenues of Trusts’ railcars	$	35.3	$	61.7	$	50.9	$	40.2	$	29.6	$	50.2	$	267.9

Operating leases other than leases with the Trusts

Future Contractual Minimum Rental Revenues on Leases [Line Items]

Future operating lease obligations and future contractual minimum rental revenues

Future amounts due as well as future contractual minimum rental revenues related to operating leases other than leases discussed above are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter		Total
	(in millions)
Future operating lease obligations	$	6.5	$	13.0	$	12.8	$	12.2	$	12.2	$	38.2	$	94.9
Future contractual minimum rental revenues	$	9.6	$	13.8	$	12.7	$	9.5	$	5.7	$	8.8	$	60.1

XML

Employee Retirement Plans (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Defined Benefit Plan Disclosure [Line Items]
Actual employer contributions to defined benefit plans	$ 3.5	$ 4.5	$ 7.6	$ 8.1
Expected full year contributions by the employer to defined benefit plans			$ 15.2

XML

Railcar Leasing and Management Services Group (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013	Dec. 31, 2013
Railcar Leasing and Management Services Group (Textual) [Abstract]
Revenue	$ 1,485.3		$ 1,066.1	$ 2,945.8		$ 1,999.0
Proceeds from railcar lease fleet sales owned more than one year at the time of sale				242.1		39.1
Assets	8,014.1	[1]		8,014.1	[1]		7,313.4
Rail Group
Railcar Leasing and Management Services Group (Textual) [Abstract]
Revenue	760.7		474.1	1,361.8		897.7
Railcar Leasing and Management Services Group
Railcar Leasing and Management Services Group (Textual) [Abstract]
Revenue	225.4		169.6	667.6		304.0
Operating lease obligations guaranteed by Trinity Industries, Inc. and certain subsidiaries	19.8			19.8
Railcar Leasing and Management Services Group | Wholly-owned subsidiaries
Railcar Leasing and Management Services Group (Textual) [Abstract]
Net book value of equipment pledged as collateral for leasing group debt	1,888.3			1,888.3
Net book value of equipment securing capital lease obligations	46.7			46.7
Net book value of unpledged equipment	462.5			462.5
Railcar Leasing and Management Services Group | TRIP Holdings
Railcar Leasing and Management Services Group (Textual) [Abstract]
Net book value of equipment pledged as collateral for leasing group debt	1,419.7			1,419.7
Railcar Leasing and Management Services Group | TRL 2012
Railcar Leasing and Management Services Group (Textual) [Abstract]
Net book value of equipment pledged as collateral for leasing group debt	610.7			610.7
Railcar Leasing and Management Services Group | Wholly-owned qualified subsidiaries for leasing railcars from the Trusts
Railcar Leasing and Management Services Group (Textual) [Abstract]
Period of railcars leased from the Trusts under operating leases (in years)				22 years
Assets	202.0			202.0
Cash	77.6			77.6
Railcars	84.8			84.8
Railcar Leasing and Management Services Group | Minimum
Railcar Leasing and Management Services Group (Textual) [Abstract]
Term of lease contracts with third parties (in years)				1 year
Railcar Leasing and Management Services Group | Maximum
Railcar Leasing and Management Services Group (Textual) [Abstract]
Term of lease contracts with third parties (in years)				20 years
Railcars owned one year or less at the time of sale | Railcar Leasing and Management Services Group
Railcar Leasing and Management Services Group (Textual) [Abstract]
Revenue	70.8		18.9	363.7		19.0
Element
Railcar Leasing and Management Services Group (Textual) [Abstract]
Proceeds from the sale of leased railcars				635.7
Proceeds from railcar lease fleet sales owned more than one year at the time of sale				222.7
Element | Rail Group
Railcar Leasing and Management Services Group (Textual) [Abstract]
Revenue				81.6
Element | Railcars owned one year or less at the time of sale | Railcar Leasing and Management Services Group
Railcar Leasing and Management Services Group (Textual) [Abstract]
Revenue				$ 331.4

[1] (unaudited)

XML

Earnings Per Common Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net Income Per Common Share (Textual) [Abstract]
Total weighted average restricted shares and antidilutive stock options (in shares)	7.7	7.1	7.9	6.7
Computation of basic and diluted net income attributable to Trinity Industries, Inc
Net income from continuing operations	$ 173.3	$ 89.2	$ 406.6	$ 161.4
Less: net income from continuing operations attributable to noncontrolling interest	8.9	4.2	15.5	3.9
Net income from continuing operations attributable to Trinity Industries, Inc.	164.4	85.0	391.1	157.5
Unvested restricted share participation	(5.5)	(2.7)	(13.3)	(5.0)
Net income from continuing operations attributable to Trinity Industries, Inc. – basic	158.9	82.3	377.8	152.5
Net income from continuing operations attributable to Trinity Industries, Inc. - basic, Average Shares	151.0	154.0	150.5	154.0
Net income from continuing operations attributable to Trinity Industries, Inc. - basic, EPS	$ 1.05	$ 0.53	$ 2.51	$ 0.99
Effect of dilutive securities:
Stock options, Income (Loss)	0	0	0	0
Stock options, Average Shares	0.1	0.1	0.1	0.2
Convertible Subordinated Notes, Income (Loss)	0.2	0	0.4	0
Convertible Subordinated Notes, Average Shares	6.3	0	5.0	0
Convertible Subordinated Notes, Income (Loss), Discontinued operations	0	0	0	0
Net income from continuing operations attributable to Trinity Industries, Inc. – diluted	159.1	82.3	378.2	152.5
Net income from continuing operations attributable to Trinity Industries, Inc. - diluted, Average Shares	157.4	154.1	155.6	154.2
Net income from continuing operations attributable to Trinity Industries, Inc. - diluted, EPS	$ 1.01	$ 0.53	$ 2.43	$ 0.99
Net income (loss) from discontinued operations, net of taxes	(0.2)	(1.0)	(0.5)	5.6
Unvested restricted share participation	0	0	0	(0.2)
Net income (loss) from discontinued operations, net of taxes – basic	(0.2)	(1.0)	(0.5)	5.4
Net income (loss) from discontinued operations, net of taxes - basic, EPS	$ 0.00	$ (0.01)	$ 0.00	$ 0.04
Net income (loss) from discontinued operations, net of taxes – diluted	$ (0.2)	$ (1.0)	$ (0.5)	$ 5.4
Net income (loss) from discontinued operations, net of taxes - diluted, EPS	$ 0.00	$ (0.01)	$ 0.00	$ 0.04

XML

Contingencies (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014 Railcar
Contingencies (Textual) [Abstract]
Total accruals	$ 18.1
Number of tank cars to be voluntarily recertified by the Company	948
Minimum possible loss	8.2
Maximum possible loss	28.4
Highway Products Litigation
Contingencies (Textual) [Abstract]
Alleged damages, exclusive of attorney's fees, costs, and interest	775.7
Total accruals	0
Train Derailment
Contingencies (Textual) [Abstract]
Total accruals	0
Number of tank cars owned by the Company and leased to third party	13
Number of tank cars manufactured by the Company	35
Number of tank cars involved in derailment	72
Environmental and workplace matters
Contingencies (Textual) [Abstract]
Total accruals	$ 10.1

XML

Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Income Tax Contingency [Line Items]
Additions for tax positions related to the current year			$ 2.6	$ 2.3
Additions for tax positions of prior years			0	0.9
Reductions for tax positions of prior years			0.1	0
Unrecognized tax benefits including interest and penalties that would affect the Company's effective tax rate if recognized	14.0	13.1	14.0	13.1
Total accrued interest and penalties	11.2		11.2		10.8
Increase in income tax expense related to interest and penalties on unrecognized tax benefits	$ 0.2	$ 0.2	$ 0.4	$ 0.4
Swiss subsidiary
Income Tax Contingency [Line Items]
Number of subsidiaries			2
General period of statute of limitations in Switzerland			5 years
Extended period of statute of limitations in Switzerland			15 years

XML

Accumulated Other Comprehensive Loss

6 Months Ended

Jun. 30, 2014

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss

Changes in accumulated other comprehensive loss for the six months endedJune 30, 2014 are as follows, net of tax:

	Currency translation adjustments			Unrealized loss on derivative financial instruments			Net actuarial gains/(losses) of defined benefit plans			Accumulated Other Comprehensive Loss
	(in millions)
Balances at December 31, 2013	$	(16.5	)	$	(18.7	)	$	(43.0	)	$	(78.2	)
Other comprehensive loss, net of tax, before reclassifications	—			(1.8		)	—			(1.8		)
Amounts reclassified from accumulated other comprehensive loss, net of tax benefit of $-, $3.9, $0.2, and $4.1	—			8.5			0.4			8.9
Less: noncontrolling interest	—			(1.3		)	—			(1.3		)
Other comprehensive income	—			5.4			0.4			5.8
Transfer of interests in partially-owned leasing subsidiaries	—			0.3			—			0.3
Balances at June 30, 2014	$	(16.5	)	$	(13.0	)	$	(42.6	)	$	(72.1	)

See Note 7 Derivative Instruments for information on the reclassification of amounts in accumulated other comprehensive loss into earnings. Reclassifications of unrealized before-tax losses on derivative financial instruments are included in interest expense in the Consolidated Statement of Operations. Approximately $0.5 million of the before-tax reclassification of net actuarial gains/(losses) of defined benefit plans are included in cost of revenues with the remainder included in selling, engineering, and administrative expenses in the Consolidated Statement of Operations for the six months endedJune 30, 2014.

XML

Segment Information (Details Textual)	6 Months Ended
	Jun. 30, 2014 segments
Segment Information (Textual) [Abstract]
Number of principal business segments of Company	5

XML

Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2014

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Changes in accumulated other comprehensive loss

Changes in accumulated other comprehensive loss for the six months endedJune 30, 2014 are as follows, net of tax:

	Currency translation adjustments			Unrealized loss on derivative financial instruments			Net actuarial gains/(losses) of defined benefit plans			Accumulated Other Comprehensive Loss
	(in millions)
Balances at December 31, 2013	$	(16.5	)	$	(18.7	)	$	(43.0	)	$	(78.2	)
Other comprehensive loss, net of tax, before reclassifications	—			(1.8		)	—			(1.8		)
Amounts reclassified from accumulated other comprehensive loss, net of tax benefit of $-, $3.9, $0.2, and $4.1	—			8.5			0.4			8.9
Less: noncontrolling interest	—			(1.3		)	—			(1.3		)
Other comprehensive income	—			5.4			0.4			5.8
Transfer of interests in partially-owned leasing subsidiaries	—			0.3			—			0.3
Balances at June 30, 2014	$	(16.5	)	$	(13.0	)	$	(42.6	)	$	(72.1	)

XML

Stock-Based Compensation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-based compensation	$ 12.6	$ 9.9	$ 23.5	$ 18.9

XML

Warranties (Tables)

6 Months Ended

Jun. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Changes in the accruals for warranties

The changes in the accruals for warranties for the three and six months endedJune 30, 2014 and 2013 are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Beginning balance	$	15.2		$	12.6		$	14.7		$	12.5
Warranty costs incurred	(1.3		)	(1.5		)	(2.1		)	(3.0		)
Warranty originations and revisions	4.3			3.4			6.6			6.0
Warranty expirations	(1.1		)	(1.0		)	(2.1		)	(2.0		)
Ending balance	$	17.1		$	13.5		$	17.1		$	13.5

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Railcar Leasing and Management Services Group (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Consolidating Financial Information
Cash, cash equivalents, and short-term marketable securities	$ 933.8		$ 578.2
Property, plant, and equipment, net	5,207.7		5,320.3
Net deferred profit on railcars sold to the Leasing Group	(537.0)		(549.7)
Property, plant, and equipment, net	4,670.7	[1]	4,770.6
Restricted cash	248.5	[1]	260.7
Debt:
Less: unamortized discount	(67.0)	[1]	(74.1)
Total debt	3,242.5	[1]	2,989.8
Net deferred tax liabilities	639.7		639.4
Recourse
Debt:
Recourse	491.5		493.1
Less: unamortized discount	(67.0)		(74.1)
Total debt	424.5		419.0
Non-recourse
Debt:
Non-recourse	2,818.0		2,570.8
Partially-owned subsidiaries
Consolidating Financial Information
Restricted cash	90.6	[1]	77.1
Leasing Group
Consolidating Financial Information
Net deferred profit on railcars sold to the Leasing Group	(537.0)		(549.7)
Leasing Group | Wholly-owned subsidiaries
Consolidating Financial Information
Cash, cash equivalents, and short-term marketable securities	3.3		3.5
Property, plant, and equipment, net	2,436.8		2,964.6
Restricted cash	157.9		183.6
Debt:
Total debt	1,301.3		1,356.9
Net deferred tax liabilities	647.8		671.9
Leasing Group | Wholly-owned subsidiaries | Recourse
Debt:
Recourse	40.6		42.2
Less: unamortized discount	0		0
Total debt	40.6		42.2
Leasing Group | Wholly-owned subsidiaries | Non-recourse
Debt:
Non-recourse	1,260.7		1,314.7
Leasing Group | Partially-owned subsidiaries
Consolidating Financial Information
Cash, cash equivalents, and short-term marketable securities	0		0
Property, plant, and equipment, net	2,030.4		1,685.1
Restricted cash	90.6		77.1
Debt:
Total debt	1,557.3		1,256.1
Net deferred tax liabilities	0.1		0
Leasing Group | Partially-owned subsidiaries | Recourse
Debt:
Recourse	0		0
Less: unamortized discount	0		0
Total debt	0		0
Leasing Group | Partially-owned subsidiaries | Non-recourse
Debt:
Non-recourse	1,557.3		1,256.1
Manufacturing/Corporate
Consolidating Financial Information
Cash, cash equivalents, and short-term marketable securities	930.5		574.7
Property, plant, and equipment, net	740.5		670.6
Restricted cash	0		0
Debt:
Total debt	383.9		376.8
Net deferred tax liabilities	(8.2)		(32.5)
Manufacturing/Corporate | Recourse
Debt:
Recourse	450.9		450.9
Less: unamortized discount	(67.0)		(74.1)
Total debt	383.9		376.8
Manufacturing/Corporate | Non-recourse
Debt:
Non-recourse	$ 0		$ 0

[1] (unaudited)

XML

Debt (Details Textual) (USD $) In Millions, except Per Share data, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 30, 2014		Dec. 31, 2013
Debt (Textual) [Abstract]
Notes payable	$ 1,260.7	[1]	$ 1,314.7
Recourse | Corporate revolving credit facility
Debt (Textual) [Abstract]
Revolving credit facility	425.0
Maturity date of credit facility	Oct. 20, 2016
Used revolving credit facility for letters of credit	67.1
Availability of the revolving credit facility	357.9
Borrowing under revolving credit facility exclusive of letters of credit	0
Letter of credit expiring in current year	0.3
Credit facility, description of variable rate reference rate basis	Libor
Percentage points added to Libor to compute interest rates on the credit facility	1.50%
Credit facility, description of variable rate reference rate basis, alternative computation	prime
Percentage points added to prime to compute interest rates on the credit facility, alternative computation	0.50%
Recourse | Convertible Subordinated Notes
Debt (Textual) [Abstract]
Capital in excess of par value related to the Convertible Subordinated Notes' conversion options	92.8		92.8
Date through which debt discount is being amortized	Jun. 01, 2018
Effective annual interest rate yield based upon the estimated market interest rate	8.42%
Percentage of conversion price at which Convertible Subordinated Notes are convertible	130.00%
Conversion price of Convertible Subordinated Notes (in dollars per share)	$ 25.31
Non-recourse | TILC warehouse facility
Debt (Textual) [Abstract]
Revolving credit facility	475.0
Availability of the revolving credit facility	251.4
TILC warehouse loan, amount outstanding	132.0
TILC warehouse loan, unused portion of maximum borrowing capacity	343.0
Interest at a defined index rate plus a margin for advances under the facility	1.92%
Maturity date	June 2015
Number of installments payable for amounts outstanding at maturity, absent renewal	3
Installment payable date, installment one	December 2015
Installment payable date, installment two	June 2016
Installment payable date, installment three	December 2016
Non-recourse | TRIP Master Funding Series 2014-1 Secured Railcar Equipment Notes
Debt (Textual) [Abstract]
Maturity date	April 2044
Number of classes of notes	2
Non-recourse | TRIP Master Funding Series 2014-1 Secured Railcar Equipment Notes | TRIP Holdings
Debt (Textual) [Abstract]
Face amount of debt instrument	335.7
Non-recourse | TRIP Master Funding Series 2014-1 Secured Railcar Equipment Notes Class A-1 | TRIP Holdings
Debt (Textual) [Abstract]
Interest rate on notes	2.86%
Notes payable	114.3
Non-recourse | TRIP Master Funding Series 2014-1 Secured Railcar Equipment Notes Class A-2 | TRIP Holdings
Debt (Textual) [Abstract]
Interest rate on notes	4.09%
Notes payable	$ 220.7

[1] (unaudited)

XML

Property, Plant, and Equipment (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Components of property, plant, and equipment
Less accumulated depreciation	$ (1,569.7)	[1]	$ (1,505.2)
Property, plant, and equipment, net before adjustment to net deferred profit	5,207.7		5,320.3
Net deferred profit on railcars sold to the Leasing Group	(537.0)		(549.7)
Property, plant, and equipment, net	4,670.7	[1]	4,770.6
Partially-owned subsidiaries
Components of property, plant, and equipment
Less accumulated depreciation	(229.5)	[1]	(202.1)
Manufacturing/Corporate
Components of property, plant, and equipment
Property, plant and equipment	1,520.8		1,418.9
Less accumulated depreciation	(780.3)		(748.3)
Property, plant, and equipment, net before adjustment to net deferred profit	740.5		670.6
Leasing Group
Components of property, plant, and equipment
Net deferred profit on railcars sold to the Leasing Group	(537.0)		(549.7)
Leasing Group | Wholly-owned subsidiaries
Components of property, plant, and equipment
Property, plant and equipment	2,996.7		3,519.4
Less accumulated depreciation	(559.9)		(554.8)
Property, plant, and equipment, net before adjustment to net deferred profit	2,436.8		2,964.6
Leasing Group | Partially-owned subsidiaries
Components of property, plant, and equipment
Property, plant, and equipment, net before adjustment to net deferred profit	2,030.4		1,685.1
Land | Manufacturing/Corporate
Components of property, plant, and equipment
Property, plant and equipment	60.2		44.2
Buildings and improvements | Manufacturing/Corporate
Components of property, plant, and equipment
Property, plant and equipment	488.3		463.2
Machinery and other | Manufacturing/Corporate
Components of property, plant, and equipment
Property, plant and equipment	888.0		832.5
Machinery and other | Leasing Group | Wholly-owned subsidiaries
Components of property, plant, and equipment
Property, plant and equipment	10.8		10.3
Construction in progress | Manufacturing/Corporate
Components of property, plant, and equipment
Property, plant and equipment	84.3		79.0
Equipment on lease | Leasing Group | Wholly-owned subsidiaries
Components of property, plant, and equipment
Property, plant and equipment	2,985.9		3,509.1
Equipment on lease | Leasing Group | Partially-owned subsidiaries
Components of property, plant, and equipment
Property, plant and equipment	2,259.9		1,887.2
Less accumulated depreciation	$ (229.5)		$ (202.1)

[1] (unaudited)

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Fair Value Accounting (Details) (Fair value measurements, recurring, USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Level 1
Assets:
Cash equivalents	$ 414.7		$ 230.6
Restricted cash	248.5		260.7
Total assets	663.2		491.3
Liabilities:
Total liabilities	0		0
Level 1 | Wholly-owned subsidiaries | Interest rate hedges
Liabilities:
Interest rate hedges	0	[1]	0	[1]
Level 1 | Partially-owned subsidiaries | Interest rate hedges
Liabilities:
Interest rate hedges	0	[1]	0	[1]
Level 2
Assets:
Cash equivalents	0		0
Restricted cash	0		0
Total assets	0		0
Liabilities:
Total liabilities	16.5		23.8
Level 2 | Wholly-owned subsidiaries | Interest rate hedges
Liabilities:
Interest rate hedges	14.2	[1]	21.7	[1]
Level 2 | Partially-owned subsidiaries | Interest rate hedges
Liabilities:
Interest rate hedges	2.3	[1]	2.1	[1]
Level 3
Assets:
Cash equivalents	0		0
Restricted cash	0		0
Total assets	0		0
Liabilities:
Total liabilities	0		0
Level 3 | Wholly-owned subsidiaries | Interest rate hedges
Liabilities:
Interest rate hedges	0	[1]	0	[1]
Level 3 | Partially-owned subsidiaries | Interest rate hedges
Liabilities:
Interest rate hedges	0	[1]	0	[1]
Total
Assets:
Cash equivalents	414.7		230.6
Restricted cash	248.5		260.7
Total assets	663.2		491.3
Liabilities:
Total liabilities	16.5		23.8
Total | Wholly-owned subsidiaries | Interest rate hedges
Liabilities:
Interest rate hedges	14.2	[1]	21.7	[1]
Total | Partially-owned subsidiaries | Interest rate hedges
Liabilities:
Interest rate hedges	$ 2.3	[1]	$ 2.1	[1]

[1] Included in accrued liabilities on the consolidated balance sheet.

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Consolidated Statements of Cash Flows (unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Capital expenditures – leasing, net of sold railcars owned one year or less, net cost	$ 257.6	$ 15.5

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Goodwill (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Goodwill by Segment
Goodwill	$ 365.4	[1]	$ 278.2	[2]
Rail Group
Goodwill by Segment
Goodwill	134.6		134.6	[2]
Construction Products Group
Goodwill by Segment
Goodwill	128.4		126.9	[2]
Energy Equipment Group
Goodwill by Segment
Goodwill	100.6		14.9	[2]
Railcar Leasing and Management Services Group
Goodwill by Segment
Goodwill	$ 1.8		$ 1.8	[2]

[1] (unaudited)

[2] (as reported)

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Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Computation of basic and diluted net income attributable to Trinity Industries, Inc.

The computation of basic and diluted net income attributable to Trinity Industries, Inc. follows.

	Three Months Ended June 30, 2014						Three Months Ended June 30, 2013
	Income (Loss)			Average Shares	EPS		Income (Loss)			Average Shares	EPS
	(in millions, except per share amounts)
Net income from continuing operations	$	173.3					$	89.2
Less: net income from continuing operations attributable to noncontrolling interest	8.9						4.2
Net income from continuing operations attributable to Trinity Industries, Inc.	164.4						85.0
Unvested restricted share participation	(5.5		)				(2.7		)
Net income from continuing operations attributable to Trinity Industries, Inc. – basic	158.9			151.0	$	1.05	82.3			154.0	$	0.53
Effect of dilutive securities:
Stock options	—			0.1			—			0.1
Convertible subordinated notes	0.2			6.3			—			—
Net income from continuing operations attributable to Trinity Industries, Inc. – diluted	$	159.1		157.4	$	1.01	$	82.3		154.1	$	0.53
Net income (loss) from discontinued operations, net of taxes	$	(0.2	)				$	(1.0	)
Unvested restricted share participation	—						—
Net income (loss) from discontinued operations, net of taxes – basic	(0.2		)	151.0	$	—	(1.0		)	154.0	$	(0.01	)
Effect of dilutive securities:
Stock options	—			0.1			—			0.1
Convertible subordinated notes	—			6.3			—			—
Net income (loss) from discontinued operations, net of taxes – diluted	$	(0.2	)	157.4	$	—	$	(1.0	)	154.1	$	(0.01	)

	Six Months Ended June 30, 2014						Six Months Ended June 30, 2013
	Income (Loss)			Average Shares	EPS		Income (Loss)			Average Shares	EPS
	(in millions, except per share amounts)
Net income from continuing operations	$	406.6					$	161.4
Less: net income from continuing operations attributable to noncontrolling interest	15.5						3.9
Net income from continuing operations attributable to Trinity Industries, Inc.	391.1						157.5
Unvested restricted share participation	(13.3		)				(5.0		)
Net income from continuing operations attributable to Trinity Industries, Inc. – basic	377.8			150.5	$	2.51	152.5			154.0	$	0.99
Effect of dilutive securities:
Stock options	—			0.1			—			0.2
Convertible subordinated notes	0.4			5.0			—			—
Net income from continuing operations attributable to Trinity Industries, Inc. – diluted	$	378.2		155.6	$	2.43	$	152.5		154.2	$	0.99
Net income (loss) from discontinued operations, net of taxes	$	(0.5	)				$	5.6
Unvested restricted share participation	—						(0.2		)
Net income (loss) from discontinued operations, net of taxes – basic	(0.5		)	150.5	$	—	5.4			154.0	$	0.04
Effect of dilutive securities:
Stock options	—			0.1			—			0.2
Convertible subordinated notes	—			5.0			—			—
Net income (loss) from discontinued operations, net of taxes – diluted	$	(0.5	)	155.6	$	—	$	5.4		154.2	$	0.04

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2014

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The foregoing consolidated financial statements are unaudited and have been prepared from the books and records of Trinity Industries, Inc. and its consolidated subsidiaries (“Trinity”, “Company”, “we”, or “our”) including the accounts of its wholly-owned subsidiaries and its partially-owned subsidiaries, TRIP Rail Holdings LLC (“TRIP Holdings”) and RIV 2013 Rail Holdings LLC ("RIV 2013"), in which the Company has a controlling interest. In our opinion, all normal and recurring adjustments necessary for a fair presentation of the financial position of the Company as of June 30, 2014, and the results of operations for the three and six months endedJune 30, 2014 and 2013, and cash flows for the six months endedJune 30, 2014 and 2013, have been made in conformity with generally accepted accounting principles. All significant intercompany accounts and transactions have been eliminated. Because of seasonal and other factors, the results of operations for the six months endedJune 30, 2014 may not be indicative of expected results of operations for the year ending December 31, 2014. These interim financial statements and notes are condensed as permitted by the instructions to Form 10-Q and should be read in conjunction with the audited consolidated financial statements of the Company included in its Form 10-K for the year endedDecember 31, 2013.

Stockholders' Equity

Stockholders' Equity

On May 5, 2014, the Company's Board of Directors authorized a 2-for-1 stock split on its common shares. The stock split was issued in the form of a 100% stock dividend. The additional shares were distributed on June 19, 2014, to shareholders of record at the close of business on June 5, 2014. All share and per share information, including dividends, has been retroactively adjusted to reflect the 2-for-1 stock split, except for the statement of stockholders' equity which will reflect the stock split by reclassifying from "Capital in Excess of Par Value" to "Common Stock" in the amount of $78.0 million, which equals the par value of the additional shares issued to effect the stock split.

In March 2014, the Company’s Board of Directors authorized a new $250 million share repurchase program that expires on December 31, 2015 and replaced the Company's previously authorized $200 million share repurchase program. Under the new program, 63,600 shares and 340,146 shares, respectively, were repurchased during the three and six months endedJune 30, 2014, at a cost of approximately $2.5 million and $12.5 million, respectively. During the three and six months endedJune 30, 2013, the Company repurchased 2,588,496 shares under the prior program at a cost of approximately $49.9 million. Certain shares of stock repurchased during June 2013, totaling $9.7 million, were cash settled in July 2013 in accordance with normal settlement practices.

Revenue Recognition

Revenue Recognition

Revenues for contracts providing for a large number of units and few deliveries are recorded as the individual units are produced, inspected, and accepted by the customer as the risk of loss passes to the customer upon delivery acceptance on these contracts. This occurs primarily in the Rail and Inland Barge Groups. Revenue from rentals and operating leases, including contracts which contain non-level fixed rental payments, is recognized monthly on a straight-line basis. Revenue is recognized from the sales of railcars from the lease fleet on a gross basis in leasing revenues and cost of revenues if the railcar has been owned for one year or less at the time of sale. Sales of railcars from the lease fleet that have been owned for more than one year are recognized as a net gain or loss from the disposal of a long-term asset. Fees for shipping and handling are recorded as revenue. For all other products, we recognize revenue when products are shipped or services are provided.

Financial Instruments

Financial Instruments

The Company considers all highly liquid debt instruments to be either cash and cash equivalents if purchased with a maturity of three months or less, or short-term marketable securities if purchased with a maturity of more than three months and less than one year. The Company intends to hold its short-term marketable securities until they are redeemed at their maturity date and believes that under the "more likely than not" criteria, the Company will not be required to sell the securities before recovery of their amortized cost bases, which may be maturity.

Financial instruments that potentially subject the Company to a concentration of credit risk are primarily cash investments including restricted cash, short-term marketable securities, and receivables. The Company places its cash investments and short-term marketable securities in bank deposits and investment grade, short-term debt instruments and limits the amount of credit exposure to any one commercial issuer. Concentrations of credit risk with respect to receivables are limited due to control procedures that monitor the credit worthiness of customers, the large number of customers in the Company's customer base, and their dispersion across different industries and geographic areas. As receivables are generally unsecured, the Company maintains an allowance for doubtful accounts based upon the expected collectibility of all receivables. Receivable balances determined to be uncollectible are charged against the allowance. The carrying values of cash, short-term marketable securities, receivables, and accounts payable are considered to be representative of their respective fair values.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2014-09, "Revenue from Contracts with Customers," ("ASU 2014-09") providing common revenue recognition guidance for U.S. GAAP. Under ASU 2014-09, an entity recognizes revenue when it transfers promised goods or services to customers in an amount that reflects what it expects in exchange for the goods or services. It also requires additional detailed disclosures to enable users of financial statements to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers. ASU 2014-09 will become effective for public companies during interim and annual reporting periods beginning after December 15, 2016. Early application is not permitted. We are currently evaluating the impact this standard will have on our consolidated financial statements.

Reclassifications

Reclassifications

Certain prior year balances have been reclassified in the consolidated statements of cash flows to conform to the 2014 presentation.

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Contingencies

6 Months Ended

Jun. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Contingencies

Contingencies

Highway Products Litigation

As previously reported, on January 28, 2013, the United States filed a “Notice of Election to Decline Intervention” in a False Claims Act (Qui Tam) complaint filed under seal on March 6, 2012 in the United States District Court for the Eastern District of Texas, Marshall Division styled Joshua Harman, on behalf of the United States of America, Plaintiff/Relator (“Mr. Harman”) v. Trinity Industries, Inc., Defendant,Case 2:12-cv-00089-JRG. Although the Company did not receive service of process with respect to the Original Complaint, the Company was served with Mr. Harman's Amended Complaint on May 17, 2013. The trial began on July 14, 2014 and ended in a mistrial on July 18, 2014. The case is expected to be retried in the fall of 2014. Mr. Harman alleges the Company knowingly presented or caused to be presented a false or fraudulent claim, record or statement to purchasers of the product in order for such purchasers to obtain payment or approval (eligibility for Federal-aid reimbursement) related to the Company's ET-Plus guardrail end-terminal system. Mr. Harman is seeking damages equaling the amount the United States paid in federal-aid reimbursement for ET-Plus systems from March 6, 2006 to December 31, 2013, less the value of the ET-Plus systems received, trebled, plus civil penalties. Mr. Harman's most recent damage model calculates this amount at approximately $775.7 million exclusive of attorney's fees, costs, and interest. The Company intends to vigorously defend itself against Mr. Harman's allegations which will result in certain legal expenses.

Since its introduction in 2000, including all improvement modifications thereafter, the ET-Plus system has satisfied the testing criteria required by the governing National Cooperative Highway Research Program Report 350 and the product approval requirements of the Federal Highway Administration ("FHWA"). As affirmed in a Memorandum dated June 17, 2014, the FHWA advised its Division Administrators, Directors of Field Services, Federal Lands Division Engineers, and Safety Field that "The Trinity ET-Plus with 4-inch guide channels became eligible for Federal reimbursement under FHWA letter CC-94 on September 2, 2005. In addition, the device is eligible for reimbursement under FHWA letters CC-94A and CC-120. Staff confirmed the reimbursement eligibility of the device at heights from 27 3/4 inches to 31 inches. An unbroken chain of eligibility for Federal-aid reimbursement has existed since September 2, 2005 and the ET-Plus continues to be eligible today." This Memorandum is available on the FHWA's web site at:

http://safety.fhwa.dot.gov/roadway_dept/policy_guide/road_hardware/memo_etplus_wbeam.cfm

Based upon the unbroken chain of eligibility of the ET-Plus system for Federal-aid reimbursement, we do not believe that a loss is probable or that a range of reasonably possible losses exists. Accordingly, no accrual or range of loss has been included in the accompanying consolidated financial statements.

Train Derailment

As previously reported, the Company has been named as a respondent in litigation filed July 15, 2013 in Superior Court, Province of Quebec, District of Saint-Francois, styled Yannick Gagne and Guy Ouellet vs. Rail World, Inc., et al related to the July 2013 crude oil unit train derailment in Lac-Mégantic, Quebec. A partially-owned subsidiary of the Company owned and leased to a third party 13 of the railcars involved in the incident, which lessee is also named as a defendant in the Province of Quebec litigation. As of June 18, 2014, the petitioners in the Quebec litigation have voluntarily desisted with their claims against the Company resulting in the dismissal of the Company without prejudice, however the partially-owned subsidiary remains as a respondent in the litigation. The litigation filed in Quebec is seeking “class” status which, if certified, could lead to multiple individuals and business entities becoming class members.

The Company was also named as a defendant in multiple cases filed by the estates of decedents in the Circuit Court of Cook County, Illinois seeking damages for alleged wrongful death and property damage arising from the July 2013 crude oil unit train derailment in Lac-Mégantic, Quebec. The Company’s tank car manufacturing subsidiary manufactured 35 of the 72 tank railcars involved in the derailment. However the Illinois cases have since been ordered transferred to the United States District Court for the District of Maine. This transfer prompted plaintiffs to seek dismissal of these actions. Nonetheless, the Maine court has not indicated those dismissals were effectuated and the cases were transferred to federal court in Maine and have been assigned new case numbers. Certain of the plaintiffs in these transferred cases have appealed to the U.S. Court of Appeals for the First Circuit seeking to overturn the decision to transfer. This appeal has resulted in a stay of all proceedings in the transferred cases pending resolution of the appeal. The Company could be named in similar litigation involving other affected plaintiffs, but the ultimate number of claims and the jurisdiction in which such claims are filed, may vary. We do not believe at this time that a loss is probable nor can a range of losses be determined. Accordingly, no accrual or range of loss has been included in the accompanying consolidated financial statements.

Railworthiness Directive

As previously reported, in 2011 the Company received the approval of the Federal Railroad Administration to implement a voluntary recertification of 948 tank cars owned or managed by the Company’s wholly-owned, railcar leasing subsidiary and used in transporting poison inhalation hazard (“PIH”) materials. The recertification process was performed in conjunction with the normal federally mandated inspection cycle for tank cars in PIH service and is complete as of June 30, 2014. Maintenance costs associated with this recertification process were expensed as incurred.

Other Matters

As previously reported, Trinity Structural Towers, Inc., a wholly-owned subsidiary of the Company, is in litigation with a structural wind towers customer for the customer’s breach of a long-term supply contract for the manufacture of towers. While the customer partially performed the contract, it ultimately defaulted on its purchase obligation and did not remedy such default following written notice.

The Company is involved in claims and lawsuits incidental to our business arising from various matters including product warranty, personal injury, environmental issues, workplace laws, and various governmental regulations. The Company evaluates its exposure to such claims and suits periodically and establishes accruals for these contingencies when a range of loss can be reasonably estimated. The range of reasonably possible losses for such matters, taking into consideration our rights in indemnity and recourse to third parties is $8.2 million to $28.4 million. At June 30, 2014, total accruals of $18.1 million, including environmental and workplace matters described below, are included in accrued liabilities in the accompanying consolidated balance sheet. The Company believes any additional liability would not be material to its financial position or results of operations.

Trinity is subject to remedial orders and Federal, state, local, and foreign laws and regulations relating to the environment and the workplace. The Company has reserved $10.1 million to cover our probable and estimable liabilities with respect to the investigations, assessments, and remedial responses to such matters, taking into account currently available information and our contractual rights to indemnification and recourse to third parties. However, estimates of liability arising from future proceedings, assessments, or remediation are inherently imprecise. Accordingly, there can be no assurance that we will not become involved in future litigation or other proceedings involving the environment and the workplace or, if we are found to be responsible or liable in any such litigation or proceeding, that such costs would not be material to the Company. We believe that we are currently in substantial compliance with environmental and workplace laws and regulations.

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Railcar Leasing and Management Services Group (Details 4) (Railcar Leasing and Management Services Group, USD $) In Millions, unless otherwise specified	Jun. 30, 2014
Future contractual minimum rental revenues on leases
Remaining six months of 2014	$ 221.0
2015	388.9
2016	325.1
2017	261.7
2018	196.6
Thereafter	295.8
Total	1,689.1
Operating leases other than leases with the Trusts
Future contractual minimum rental obligations on leases
Remaining six months of 2014	6.5
2015	13.0
2016	12.8
2017	12.2
2018	12.2
Thereafter	38.2
Total	94.9
Future contractual minimum rental revenues on leases
Remaining six months of 2014	9.6
2015	13.8
2016	12.7
2017	9.5
2018	5.7
Thereafter	8.8
Total	$ 60.1

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Summary of Significant Accounting Policies (Details) (USD $)	1 Months Ended	6 Months Ended	1 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Mar. 31, 2014 Current repurchase program	Jun. 30, 2013 Current repurchase program	Jun. 30, 2014 Current repurchase program	Jun. 30, 2014 Current repurchase program	Jun. 30, 2014 Prior repurchase program	Jun. 30, 2013 Prior repurchase program	Jun. 30, 2013 Prior repurchase program	Jun. 30, 2014 Common Stock [Member]
Accounting Policies Disclosure [Line Items]
Stock split conversion ratio	2
Adjustments to Additional Paid in Capital, Stock Split		$ 0								$ 78,000,000
Summary of Significant Accounting Policies (Textual) [Abstract]
Authorized amount from board of directors for share repurchase			250,000,000				200,000,000
Share repurchase program expiry date			Dec. 31, 2015
Shares repurchased under the program					63,600	340,146		2,588,496	2,588,496
Cost of shares repurchased		12,500,000			2,500,000	12,500,000		49,900,000	49,900,000
Shares repurchased settled in subsequent month				$ 9,700,000

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Acquisitions and Divestitures (Tables)

6 Months Ended

Jun. 30, 2014

Business Combinations [Abstract]

Acquisition and divestiture activity

The Company's acquisition and divestiture activities are summarized below:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
	(in millions)
Acquisitions:
Purchase price	$	7.7	$	29.6	$	125.3	$	83.4
Net cash paid	$	6.2	$	28.1	$	118.8	$	37.2
Goodwill recorded	$	5.1	$	7.0	$	87.2	$	9.5
Divestitures:
Proceeds	$	—	$	—	$	—	$	35.6
Gain recognized	$	—	$	0.1	$	—	$	12.5
Goodwill charged off	$	—	$	—	$	—	$	4.8

Condensed results of operations for the ready-mix concrete operations

Condensed results of operations for the ready-mix concrete operations for the three and six months endedJune 30, 2014 and 2013 are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Revenues	$	—		$	—		$	—		$	31.6
Loss from discontinued operations before income taxes	$	(0.2	)	$	(1.6	)	$	(0.7	)	$	(2.3	)
Income tax benefit	—			(0.5		)	(0.2		)	(0.8		)
Net loss from discontinued operations	$	(0.2	)	$	(1.1	)	$	(0.5	)	$	(1.5	)

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Fair Value Accounting (Tables)

6 Months Ended

Jun. 30, 2014

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on recurring basis

Assets and liabilities measured at fair value on a recurring basis are summarized below:

	Fair Value Measurement as of June 30, 2014
	(in millions)
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	414.7	$	—	$	—	$	414.7
Restricted cash	248.5		—		—		248.5
Total assets	$	663.2	$	—	$	—	$	663.2
Liabilities:
Interest rate hedges:(1)
Wholly-owned subsidiaries	$	—	$	14.2	$	—	$	14.2
Partially-owned subsidiaries	—		2.3		—		2.3
Total liabilities	$	—	$	16.5	$	—	$	16.5
	Fair Value Measurement as of December 31, 2013
	(in millions)
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	230.6	$	—	$	—	$	230.6
Restricted cash	260.7		—		—		260.7
Total assets	$	491.3	$	—	$	—	$	491.3
Liabilities:
Interest rate hedges:(1)
Wholly-owned subsidiaries	$	—	$	21.7	$	—	$	21.7
Partially-owned subsidiaries	—		2.1		—		2.1
Total liabilities	$	—	$	23.8	$	—	$	23.8

⁽¹⁾ Included in accrued liabilities on the consolidated balance sheet.

Carrying amounts and estimated fair values of long-term debt

The carrying amounts and estimated fair values of our long-term debt are as follows:

	June 30, 2014					December 31, 2013
	Carrying Value			Estimated Fair Value		Carrying Value			Estimated Fair Value
	(in millions)
Recourse:
Convertible subordinated notes	$	450.0		$	837.9	$	450.0		$	593.4
Less: unamortized discount	(67.0		)			(74.1		)
	383.0					375.9
Capital lease obligations	40.6			40.6		42.2			42.2
Other	0.9			0.9		0.9			0.9
	424.5			879.4		419.0			636.5
Non-recourse:
2006 secured railcar equipment notes	232.5			256.4		240.7			259.2
Promissory notes	382.0			376.9		396.1			389.6
2009 secured railcar equipment notes	194.1			233.5		199.0			229.5
2010 secured railcar equipment notes	320.1			351.8		326.9			342.7
TILC warehouse facility	132.0			132.0		152.0			152.0
TRL 2012 secured railcar equipment notes - RIV 2013	486.6			485.1		499.3			483.4
TRIP Master Funding secured railcar equipment notes	1,070.7			1,152.5		756.8			819.8
	2,818.0			2,988.2		2,570.8			2,676.2
Total	$	3,242.5		$	3,867.6	$	2,989.8		$	3,312.7

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Consolidated Statements of Cash Flows (unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
Operating activities:
Net income	$ 406.1		$ 167.0
Adjustments to reconcile net income to net cash provided by operating activities:
(Income) loss from discontinued operations	0.5		(5.6)
Depreciation and amortization	111.0		102.4
Stock-based compensation expense	23.5		18.8
Excess tax benefits from stock-based compensation	(23.6)		(7.8)
Provision (benefit) for deferred income taxes	(19.6)		30.7
Net gains on railcar lease fleet sales owned more than one year at the time of sale	(87.2)		(8.0)
(Gains) losses on disposition of property, plant, equipment, and other assets	(12.6)		0.3
Non-cash interest expense	15.0		16.2
Other	(3.0)		(5.7)
Changes in assets and liabilities:
(Increase) decrease in receivables	(136.5)		3.0
(Increase) decrease in inventories	(176.4)		(37.4)
(Increase) decrease in restricted cash	25.0		0
(Increase) decrease in other assets	(19.0)		(29.0)
Increase (decrease) in accounts payable	73.7		0
Increase (decrease) in accrued liabilities	(21.1)		16.8
Increase (decrease) in other liabilities	1.2		4.7
Net cash provided by operating activities - continuing operations	157.0		266.4
Net cash provided by operating activities - discontinued operations	0.4		7.2
Net cash provided by operating activities	157.4		273.6
Investing activities:
(Increase) decrease in short-term marketable securities	(68.8)		(59.9)
Proceeds from railcar lease fleet sales owned more than one year at the time of sale	242.1		39.1
Proceeds from disposition of property, plant, equipment, and other assets	21.0		0.1
Capital expenditures – leasing, net of sold lease fleet railcars owned one year or less with a net cost of $257.6 and $15.5	(49.5)		(308.5)
Capital expenditures – manufacturing and other	(107.5)		(57.4)
Acquisitions, net of cash acquired	(118.8)		(37.2)
Other	0.4		(0.6)
Net cash required by investing activities - continuing operations	(81.1)		(424.4)
Net cash required by investing activities - discontinued operations	(0.1)		(0.5)
Net cash required by investing activities	(81.2)		(424.9)
Financing activities:
Proceeds from issuance of common stock, net	0.4		1.6
Excess tax benefits from stock-based compensation	23.6		7.8
Payments to retire debt	(90.1)		(177.4)
Proceeds from issuance of debt	332.1		0
(Increase) decrease in restricted cash	(12.8)		(3.8)
Shares repurchased	(17.5)		(40.2)
Dividends paid to common shareholders	(23.2)		(17.4)
Purchase of shares to satisfy employee tax on vested stock	(38.1)		(9.0)
Proceeds from sale of interests in partially-owned leasing subsidiaries	0		294.9
Repurchase of noncontrolling interests in partially-owned leasing subsidiary	0		(84.0)
Contributions from noncontrolling interest	49.6		0
Distributions to noncontrolling interest	(12.3)		0
Other	(0.5)		(5.6)
Net cash provided (required) by financing activities - continuing operations	211.2		(33.1)
Net cash required by financing activities - discontinued operations	(0.6)		(0.6)
Net cash provided (required) by financing activities	210.6		(33.7)
Net increase (decrease) in cash and cash equivalents	286.8		(185.0)
Cash and cash equivalents at beginning of period	428.5		573.0
Cash and cash equivalents at end of period	$ 715.3	[1]	$ 388.0

[1] (unaudited)

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Segment Information (Tables)

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Financial information from continuing operations for segments

The financial information from continuing operations for these segments is shown in the tables below. We operate principally in North America.

Three Months EndedJune 30, 2014

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	760.7	$	134.9		$	895.6		$	176.0
Construction Products Group	149.9		1.8			151.7			22.4
Inland Barge Group	165.4		—			165.4			30.9
Energy Equipment Group	183.2		44.4			227.6			28.3
Railcar Leasing and Management Services Group	225.4		6.1			231.5			102.4
All Other	0.7		27.4			28.1			(2.6		)
Segment Totals before Eliminations and Corporate	1,485.3		214.6			1,699.9			357.4
Corporate	—		—			—			(29.7		)
Eliminations – Lease subsidiary	—		(128.6		)	(128.6		)	(26.9		)
Eliminations – Other	—		(86.0		)	(86.0		)	1.2
Consolidated Total	$	1,485.3	$	—		$	1,485.3		$	302.0

Three Months EndedJune 30, 2013

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	474.1	$	193.9		$	668.0		$	107.9
Construction Products Group	149.3		5.2			154.5			19.0
Inland Barge Group	150.0		—			150.0			20.9
Energy Equipment Group	121.4		31.1			152.5			14.3
Railcar Leasing and Management Services Group	169.6		—			169.6			75.7
All Other	1.7		20.0			21.7			(3.8		)
Segment Totals before Eliminations and Corporate	1,066.1		250.2			1,316.3			234.0
Corporate	—		—			—			(15.5		)
Eliminations – Lease subsidiary	—		(189.5		)	(189.5		)	(34.7		)
Eliminations – Other	—		(60.7		)	(60.7		)	(0.4		)
Consolidated Total	$	1,066.1	$	—		$	1,066.1		$	183.4

Six Months EndedJune 30, 2014

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	1,361.8	$	391.2		$	1,753.0		$	343.5
Construction Products Group	262.1		2.7			264.8			44.1
Inland Barge Group	302.3		—			302.3			57.6
Energy Equipment Group	350.2		88.0			438.2			51.2
Railcar Leasing and Management Services Group	667.6		7.0			674.6			332.7
All Other	1.8		49.5			51.3			(8.0		)
Segment Totals before Eliminations and Corporate	2,945.8		538.4			3,484.2			821.1
Corporate	—		—			—			(52.8		)
Eliminations – Lease subsidiary	—		(377.7		)	(377.7		)	(76.2		)
Eliminations – Other	—		(160.7		)	(160.7		)	1.2
Consolidated Total	$	2,945.8	$	—		$	2,945.8		$	693.3

Six Months EndedJune 30, 2013

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	897.7	$	395.8		$	1,293.5		$	210.8
Construction Products Group	247.3		11.0			258.3			26.7
Inland Barge Group	297.4		—			297.4			45.2
Energy Equipment Group	249.9		57.3			307.2			29.2
Railcar Leasing and Management Services Group	304.0		—			304.0			137.3
All Other	2.7		38.3			41.0			(6.4		)
Segment Totals before Eliminations and Corporate	1,999.0		502.4			2,501.4			442.8
Corporate	—		—			—			(32.1		)
Eliminations – Lease subsidiary	—		(387.5		)	(387.5		)	(67.1		)
Eliminations – Other	—		(114.9		)	(114.9		)	(0.7		)
Consolidated Total	$	1,999.0	$	—		$	1,999.0		$	342.9

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Income Taxes (Tables)

6 Months Ended

Jun. 30, 2014

Income Tax Disclosure [Abstract]

Reconciliation between the statutory United States Federal income tax rate and the Company's effective income tax rate from continuing operations

The following is a reconciliation between the statutory U.S. Federal income tax rate and the Company’s effective income tax rate on income from continuing operations:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Statutory rate	35.0	%	35.0	%	35.0	%	35.0	%
State taxes	0.9		2.1		0.9		2.1
Domestic production activities deduction	(2.2	)	(1.5	)	(2.2	)	(1.0	)
Noncontrolling interest in partially-owned subsidiaries	(1.1	)	(1.6	)	(1.2	)	(0.8	)
Tax assessments and settlements	—		1.2		—		0.6
Other, net	—		(0.6	)	0.1		(0.5	)
Effective rate	32.6	%	34.6	%	32.6	%	35.4	%

Change in unrecognized tax benefits

The change in unrecognized tax benefits for the six months endedJune 30, 2014 and 2013 was as follows:

	Six Months Ended June 30,
	2014			2013
	(in millions)
Beginning balance	$	55.0		$	48.7
Additions for tax positions related to the current year	2.6			2.3
Additions for tax positions of prior years	—			0.9
Reductions for tax positions of prior years	(0.1		)	—
Expiration of statute of limitations	—			(0.1		)
Ending balance	$	57.5		$	51.8

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Railcar Leasing and Management Services Group (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Revenues:
Total revenues	$ 1,485.3		$ 1,066.1		$ 2,945.8		$ 1,999.0
Operating profit:
Total operating profit	302.0		183.4		693.3		342.9
Selected expense information:
Depreciation					111.0		102.4
Interest:
Interest expense	46.9		46.5		93.2		95.7
Railcar Leasing and Management Services Group
Revenues:
Total revenues	225.4		169.6		667.6		304.0
Operating profit:
Total operating profit	102.4		75.7		332.7		137.3
Operating profit margin:
Total operating profit margin	44.20%		44.60%		49.30%		45.20%
Selected expense information:
Depreciation	32.2	[1]	32.0	[1]	64.7	[1]	63.0	[1]
Percent Change, Depreciation	0.60%	[1]			2.70%	[1]
Maintenance	20.0	[1]	18.4	[1]	41.0	[1]	37.4	[1]
Percent Change, Maintenance	8.70%	[1]			9.60%	[1]
Rent	13.3	[1]	13.3	[1]	26.6	[1]	26.7	[1]
Percent Change, Rent	0.00%	[1]			(0.40%)	[1]
Interest:
Interest expense	38.1	[1]	38.0	[1]	75.4	[1]	78.9	[1]
Railcar Leasing and Management Services Group | Leasing and management
Revenues:
Total revenues	160.7		150.7		310.9		285.0
Percent Change	6.60%				9.10%
Operating profit:
Total operating profit	75.5		71.0		139.4		125.8
Percentage Change	6.30%				10.80%
Operating profit margin:
Total operating profit margin	47.00%		47.10%		44.80%		44.10%
Railcar Leasing and Management Services Group | Railcars owned one year or less at the time of sale
Revenues:
Total revenues	70.8		18.9		363.7		19.0
Operating profit:
Total operating profit	17.2		3.5		106.1		3.5
Railcar Leasing and Management Services Group | Railcars owned more than one year at the time of sale
Operating profit:
Total operating profit	9.7		1.2		87.2		8.0
Rail Group
Revenues:
Total revenues	760.7		474.1		1,361.8		897.7
Operating profit:
Total operating profit	176.0		107.9		343.5		210.8
Intercompany
Revenues:
Total revenues	0		0		0		0
Intercompany | Railcar Leasing and Management Services Group
Revenues:
Total revenues	6.1		0		7.0		0
Interest:
Interest expense	0	[1]	1.1	[1]	0	[1]	3.8	[1]
Intercompany | Rail Group
Revenues:
Total revenues	134.9		193.9		391.2		395.8
Total
Revenues:
Total revenues	1,485.3		1,066.1		2,945.8		1,999.0
Total | Railcar Leasing and Management Services Group
Revenues:
Total revenues	231.5		169.6		674.6		304.0
Percent Change	36.50%				121.90%
Operating profit:
Total operating profit	102.4		75.7		332.7		137.3
Percentage Change	35.30%				142.30%
Interest:
Interest expense	38.1	[1]	39.1	[1]	75.4	[1]	82.7	[1]
Percent Change, Total interest expense	(2.60%)	[1]			(8.80%)	[1]
Total | Rail Group
Revenues:
Total revenues	$ 895.6		$ 668.0		$ 1,753.0		$ 1,293.5

[1] Depreciation, maintenance, and rent expense are components of operating profit. Amortization of deferred profit on railcars sold from the Rail Group to the Leasing Group is included in the operating profits of the Leasing Group resulting in the recognition of depreciation expense based on the Company's original manufacturing cost of the railcars. Interest expense is not a component of operating profit and includes the effect of hedges. Intercompany interest expense is eliminated in consolidation and arises from Trinity’s previous ownership of a portion of TRIP Holdings’ Senior Secured Notes, which notes were retired in full in May 2013. See Note 11 Debt.

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Employee Retirement Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Components of Net Retirement Cost
Service cost	$ 0.1	$ 0.2	$ 0.2	$ 0.5
Interest	5.0	4.6	10.0	9.3
Expected return on plan assets	(7.7)	(6.7)	(15.4)	(13.3)
Amortization of actuarial loss	0.3	1.3	0.6	2.5
Defined benefit expense	(2.3)	(0.6)	(4.6)	(1.0)
Profit sharing	5.2	3.3	8.9	6.4
Net expense	$ 2.9	$ 2.7	$ 4.3	$ 5.4

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Consolidated Statements of Operations (unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Total revenues	$ 1,485.3	$ 1,066.1	$ 2,945.8	$ 1,999.0
Cost of revenues:
Total cost of revenues	1,098.3	812.2	2,172.3	1,523.3
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	96.4	71.5	180.0	140.5
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	9.7	1.2	87.2	8.0
Other	1.7	(0.2)	12.6	(0.3)
Total gains on disposition of property, plant, and equipment	11.4	1.0	99.8	7.7
Total operating profit	302.0	183.4	693.3	342.9
Other (income) expense:
Interest income	(0.7)	(0.4)	(1.1)	(0.8)
Interest expense	46.9	46.5	93.2	95.7
Other, net	(1.4)	0.9	(1.8)	(1.8)
Total other (income) expense	44.8	47.0	90.3	93.1
Income from continuing operations before income taxes	257.2	136.4	603.0	249.8
Provision for income taxes	83.9	47.2	196.4	88.4
Net income from continuing operations	173.3	89.2	406.6	161.4
Discontinued operations:
Gain on sale of discontinued operations, net of provision for income taxes of $-, $-, $- and $5.4	0	0.1	0	7.1
Loss from discontinued operations, net of benefit for income taxes of $-, $0.5, $0.2 and $0.8	(0.2)	(1.1)	(0.5)	(1.5)
Net income	173.1	88.2	406.1	167.0
Net income attributable to noncontrolling interest	8.9	4.2	15.5	3.9
Net income attributable to Trinity Industries, Inc.	164.2	84.0	390.6	163.1
Basic:
Continuing operations (in dollars per share)	$ 1.05	$ 0.53	$ 2.51	$ 0.99
Discontinued operations (in dollars per share)	$ 0.00	$ (0.01)	$ 0.00	$ 0.04
Basic (in dollars per share)	$ 1.05	$ 0.52	$ 2.51	$ 1.03
Diluted:
Continuing operations (in dollars per share)	$ 1.01	$ 0.53	$ 2.43	$ 0.99
Discontinued operations (in dollars per share)	$ 0.00	$ (0.01)	$ 0.00	$ 0.04
Diluted (in dollars per share)	$ 1.01	$ 0.52	$ 2.43	$ 1.03
Weighted average number of shares outstanding:
Basic (in shares)	151.0	154.0	150.5	154.0
Diluted (in shares)	157.4	154.1	155.6	154.2
Dividends declared per common share (in dollars per share)	$ 0.1	$ 0.065	$ 0.175	$ 0.12
Manufacturing
Revenues:
Total revenues	1,259.9	896.5	2,278.2	1,695.0
Cost of revenues:
Total cost of revenues	970.2	726.0	1,764.9	1,367.2
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	56.0	47.1	105.5	89.8
Leasing
Revenues:
Total revenues	225.4	169.6	667.6	304.0
Cost of revenues:
Total cost of revenues	128.1	86.2	407.4	156.1
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	10.7	8.9	21.7	18.6
Other
Selling, engineering, and administrative expenses:
Total selling, engineering, and administrative expenses	$ 29.7	$ 15.5	$ 52.8	$ 32.1

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Acquisitions and Divestitures (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Acquisitions:
Purchase price		$ 7.7	$ 29.6	$ 125.3	$ 83.4
Net cash paid		6.2	28.1	118.8	37.2
Goodwill recorded		5.1	7.0	87.2	9.5
Divestitures:
Proceeds		0	0	0	35.6
Gain recognized		0	0.1	0	12.5
Goodwill charged off		0	0	0	4.8
Expected purchase price for Meyer Steel Structures	$ 600
Energy Equipment Group
Divestitures:
Number of businesses acquired				3
Construction Products Group
Divestitures:
Number of businesses acquired				1

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Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 715.3	[1]	$ 428.5
Short-term marketable securities	218.5	[1]	149.7
Receivables, net of allowance	514.5	[1]	372.7
Inventories:
Raw materials and supplies	604.6	[1]	477.0
Work in process	307.8	[1]	201.4
Finished goods	110.1	[1]	136.3
Inventory, net	1,022.5	[1]	814.7
Restricted cash, including partially-owned subsidiaries of $90.6 and $77.1	248.5	[1]	260.7
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $2,259.9 and $1,887.2	6,240.4	[1]	6,275.8
Less accumulated depreciation, including partially-owned subsidiaries of $229.5 and $202.1	(1,569.7)	[1]	(1,505.2)
Property, plant, and equipment, net	4,670.7	[1]	4,770.6
Goodwill	365.4	[1]	278.2	[2]
Other assets	258.7	[1]	238.3
Total assets	8,014.1	[1]	7,313.4
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	293.0	[1]	216.3
Accrued liabilities	517.5	[1]	567.4
Debt:
Recourse, net of unamortized discount of $67.0 and $74.1	424.5	[1]	419.0
Non-recourse:
Wholly-owned subsidiaries	1,260.7	[1]	1,314.7
Partially-owned subsidiaries	1,557.3	[1]	1,256.1
Total debt	3,242.5	[1]	2,989.8
Deferred income	38.8	[1]	40.8
Deferred income taxes	647.0	[1]	650.7
Other liabilities	106.7	[1]	99.3
Total liabilities	4,845.5	[1]	4,564.3
Stockholders’ equity:
Preferred stock – 1.5 shares authorized and unissued	0	[1]	0
Common stock – 200.0 shares authorized	156.1	[1]	81.7
Capital in excess of par value	451.1	[1]	686.6
Retained earnings	2,233.4	[1]	1,870.0
Accumulated other comprehensive loss	(72.1)	[1]	(78.2)
Treasury stock	(1.0)	[1]	(158.0)
Total stockholders' equity	2,767.5	[1]	2,402.1
Noncontrolling interest	401.1	[1]	347.0
Total stockholders' equity, including portion attributable to noncontrolling interest	3,168.6	[1]	2,749.1
Total liabilities and stockholders' equity	$ 8,014.1	[1]	$ 7,313.4

[1] (unaudited)

[2] (as reported)

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Derivative Instruments (Details 1) (Designated as hedging instrument, USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013
Expired hedges | TRIP Holdings warehouse loan
Effect on interest expense - increase/(decrease)
Expected effect during next twelve months	$ 5.0			$ 5.0
Interest expense | Expired hedges | 2006 secured railcar equipment notes
Effect on interest expense - increase/(decrease)
Effect on interest expense	(0.1)		(0.1)	(0.2)		(0.2)
Expected effect during next twelve months	(0.3)	[1]		(0.3)	[1]
Interest expense | Expired hedges | Promissory notes
Effect on interest expense - increase/(decrease)
Effect on interest expense	0.7		0.8	1.5		1.6
Expected effect during next twelve months	2.6	[1]		2.6	[1]
Interest expense | Expired hedges | TRIP Holdings warehouse loan
Effect on interest expense - increase/(decrease)
Effect on interest expense	1.3		1.5	2.6		3.5
Expected effect during next twelve months	5.0	[1]		5.0	[1]
Interest expense | Open hedges | Promissory notes
Effect on interest expense - increase/(decrease)
Effect on interest expense	3.8		4.1	7.7		8.0
Expected effect during next twelve months	14.2	[1]		14.2	[1]
Interest expense | Open hedges | TRIP Master Funding secured railcar equipment notes
Effect on interest expense - increase/(decrease)
Effect on interest expense	0.4		0.4	0.8		0.9
Expected effect during next twelve months	$ 1.4	[1]		$ 1.4	[1]

[1] Based on the fair value of open hedges as of June 30, 2014

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Property, Plant, and Equipment (Tables)

6 Months Ended

Jun. 30, 2014

Property, Plant and Equipment [Abstract]

Components of property, plant, and equipment

The following table summarizes the components of property, plant, and equipment as of June 30, 2014 and December 31, 2013.

	June 30, 2014			December 31, 2013
	(in millions)
Manufacturing/Corporate:
Land	$	60.2		$	44.2
Buildings and improvements	488.3			463.2
Machinery and other	888.0			832.5
Construction in progress	84.3			79.0
	1,520.8			1,418.9
Less accumulated depreciation	(780.3		)	(748.3		)
	740.5			670.6
Leasing:
Wholly-owned subsidiaries:
Machinery and other	10.8			10.3
Equipment on lease	2,985.9			3,509.1
	2,996.7			3,519.4
Less accumulated depreciation	(559.9		)	(554.8		)
	2,436.8			2,964.6
Partially-owned subsidiaries:
Equipment on lease	2,259.9			1,887.2
Less accumulated depreciation	(229.5		)	(202.1		)
	2,030.4			1,685.1
Net deferred profit on railcars sold to the Leasing Group	(537.0		)	(549.7		)
	$	4,670.7		$	4,770.6

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Debt (Details 1) (Recourse, Convertible Subordinated Notes, USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Recourse | Convertible Subordinated Notes
Total interest expense recognized on the Convertible Subordinated Notes
Coupon rate interest	$ 4.3	$ 4.3	$ 8.7	$ 8.7
Amortized debt discount	3.6	3.2	7.1	6.5
Total interest expense recognized on the Convertible Subordinated Notes	$ 7.9	$ 7.5	$ 15.8	$ 15.2

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Other, Net

6 Months Ended

Jun. 30, 2014

Other Income and Expenses [Abstract]

Other, Net

Other, Net

Other, net (income) expense consists of the following items:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Foreign currency exchange transactions	$	(0.3	)	$	0.8		$	0.1		$	0.5
Gain on equity investments	(0.4		)	(0.1		)	(0.6		)	(0.2		)
Other	(0.7		)	0.2			(1.3		)	(2.1		)
Other, net	$	(1.4	)	$	0.9		$	(1.8	)	$	(1.8	)

Other for the six months endedJune 30, 2013 includes $1.7 million related to the change in fair value of certain equity repurchase agreements with an investor in TRIP Holdings. The equity repurchase agreements were terminated in 2013.

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Goodwill (Tables)

6 Months Ended

Jun. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill by segment

Goodwill by segment is as follows:

	June 30, 2014		December 31, 2013
			(as reported)
	(in millions)
Rail Group	$	134.6	$	134.6
Construction Products Group	128.4		126.9
Energy Equipment Group	100.6		14.9
Railcar Leasing and Management Services Group	1.8		1.8
	$	365.4	$	278.2

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Employee Retirement Plans

6 Months Ended

Jun. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Employee Retirement Plans

Employee Retirement Plans

The following table summarizes the components of net retirement cost for the Company:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Expense Components
Service cost	$	0.1		$	0.2		$	0.2		$	0.5
Interest	5.0			4.6			10.0			9.3
Expected return on plan assets	(7.7		)	(6.7		)	(15.4		)	(13.3		)
Amortization of actuarial loss	0.3			1.3			0.6			2.5
Defined benefit expense	(2.3		)	(0.6		)	(4.6		)	(1.0		)
Profit sharing	5.2			3.3			8.9			6.4
Net expense	$	2.9		$	2.7		$	4.3		$	5.4

Trinity contributed $3.5 million and $7.6 million to the Company's defined benefit pension plans for the three and six months endedJune 30, 2014, respectively. Trinity contributed $4.5 million and $8.1 million to the Company's defined benefit pension plans for the three and six months endedJune 30, 2013, respectively. Total contributions to the Company's defined benefit pension plans in 2014 are expected to be approximately $15.2 million.

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Other, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Other, net (income) expense
Foreign currency exchange transactions	$ (0.3)	$ 0.8	$ 0.1	$ 0.5
Gain on equity investments	(0.4)	(0.1)	(0.6)	(0.2)
Other	(0.7)	0.2	(1.3)	(2.1)
Other, net	(1.4)	0.9	(1.8)	(1.8)
Income related to the change in fair value of certain equity repurchase agreements				$ 1.7

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Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Unamortized discount on recourse debt	$ 67.0	[1]	$ 74.1
Preferred stock, shares authorized	1,500,000	[1]	1,500,000
Preferred stock, shares unissued	1,500,000	[1]	1,500,000
Common stock, shares authorized	200,000,000	[1]	200,000,000
Restricted cash	248.5	[1]	260.7
Property, plant, and equipment, at cost	6,240.4	[1]	6,275.8
Less accumulated depreciation	1,569.7	[1]	1,505.2
Partially-owned subsidiaries
Restricted cash	90.6	[1]	77.1
Property, plant, and equipment, at cost	2,259.9	[1]	1,887.2
Less accumulated depreciation	$ 229.5	[1]	$ 202.1

[1] (unaudited)

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Consolidated Statements of Operations (unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Provision for income taxes related to gain on sale of discontinued operations	$ 0	$ 0	$ 0	$ 5.4
Benefit for income taxes related to loss from discontinued operations	$ 0	$ 0.5	$ 0.2	$ 0.8

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Derivative Instruments

6 Months Ended

Jun. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments

Derivative Instruments

We use derivative instruments to mitigate the impact of changes in interest rates, both in anticipation of future debt issuances and to offset interest rate variability of certain floating rate debt issuances outstanding. We also use derivative instruments to mitigate the impact of changes in natural gas and diesel fuel prices and changes in foreign currency exchange rates. Derivative instruments that are designated and qualify as cash flow hedges are accounted for in accordance with applicable accounting standards. See Note 3 Fair Value Accounting for discussion of how the Company valued its interest rate swaps at June 30, 2014. See Note 11 Debt for a description of the Company's debt instruments.

Interest rate hedges

					Included in accompanying balance sheet at June 30, 2014
	Notional Amount		Interest Rate(1)		Liability		AOCL – loss/ (income)			Noncontrolling Interest
	(in millions, except %)
Expired hedges:
2006 secured railcar equipment notes	$	200.0	4.87	%	$	—	$	(1.5	)	$	—
Promissory notes	$	370.0	5.34	%	$	—	$	2.6		$	—
TRIP Holdings warehouse loan	$	788.5	3.60	%	$	—	$	11.1		$	15.0
Open hedges:
TRIP Master Funding secured railcar equipment notes	$	61.5	2.62	%	$	2.3	$	1.0		$	1.3
Promissory notes	$	401.5	4.13	%	$	14.2	$	12.8		$	—

⁽¹⁾  Weighted average fixed interest rate

	Effect on interest expense - increase/(decrease)
	Three Months Ended June 30,						Six Months Ended June 30,						Expected effect during next twelve months(1)
	2014			2013			2014			2013
	(in millions)
Expired hedges:
2006 secured railcar equipment notes	$	(0.1	)	$	(0.1	)	$	(0.2	)	$	(0.2	)	$	(0.3	)
Promissory notes	$	0.7		$	0.8		$	1.5		$	1.6		$	2.6
TRIP Holdings warehouse loan	$	1.3		$	1.5		$	2.6		$	3.5		$	5.0
Open hedges:
TRIP Master Funding secured railcar equipment notes	$	0.4		$	0.4		$	0.8		$	0.9		$	1.4
Promissory notes	$	3.8		$	4.1		$	7.7		$	8.0		$	14.2

⁽¹⁾ Based on the fair value of open hedges as of June 30, 2014

During 2005 and 2006, we entered into interest rate swap derivatives in anticipation of issuing our 2006 Secured Railcar Equipment Notes. These derivative instruments, with a notional amount of $200.0 million, were settled in 2006 and fixed the interest rate on a portion of the related debt issuance. These derivative instrument transactions are being accounted for as cash flow hedges with changes in the fair value of the instruments of $4.5 million in income recorded in AOCL through the date the related debt issuance closed in 2006. The balance is being amortized over the term of the related debt. The effect on interest expense is due to amortization of the AOCL balance.

During 2006 and 2007, we entered into interest rate swap derivatives in anticipation of issuing our Promissory Notes. These derivative instruments, with a notional amount of $370.0 million, were settled in 2008 and fixed the interest rate on a portion of the related debt issuance. These derivative instrument transactions are being accounted for as cash flow hedges with changes in the fair value of the instruments of $24.5 million recorded as a loss in AOCL through the date the related debt issuance closed in 2008. The balance is being amortized over the term of the related debt. The effect on interest expense is due to amortization of the AOCL balance.

In 2008, we entered into an interest rate swap derivative instrument, expiring in 2015, to fix the variable Libor component of the Promissory Notes. This derivative instrument transaction is being accounted for as a cash flow hedge. The effect on interest expense is primarily a result of monthly interest settlements.

Between 2007 and 2009, TRIP Holdings, as required by the TRIP Warehouse Loan, entered into interest rate swap derivatives, all of which qualified as cash flow hedges, to reduce the effect of changes in variable interest rates in the TRIP Warehouse Loan. In July 2011, these interest rate hedges were terminated in connection with the refinancing of the TRIP Warehouse Loan. Balances included in AOCL at the date the hedges were terminated are being amortized over the expected life of the new debt with $5.0 million of additional interest expense expected to be recognized during the twelve months following June 30, 2014. Also in July 2011, TRIP Holdings’ wholly-owned subsidiary, TRIP Master Funding, entered into an interest rate swap derivative instrument, expiring in 2021, with an initial notional amount of $94.1 million to reduce the effect of changes in variable interest rates associated with the Class A-1b notes of the TRIP Master Funding secured railcar equipment notes. The effect on interest expense is primarily a result of monthly interest settlements.

See Note 11 Debt regarding the related debt instruments.

Other Derivatives

Natural gas and diesel fuel

We maintain a program to mitigate the impact of fluctuations in the price of natural gas and diesel fuel purchases. The intent of the program is to protect our operating profit from adverse price changes by entering into derivative instruments. For those instruments that do not qualify for hedge accounting treatment, any changes in their valuation are recorded directly to the consolidated statement of operations. The amounts recorded in the consolidated financial statements as of June 30, 2014 for these instruments were not significant.

Foreign exchange hedge

We enter into foreign exchange hedges to mitigate the impact on operating profit of unfavorable fluctuations in foreign currency exchange rates. The amounts recorded in the consolidated financial statements as of June 30, 2014 for these instruments were not significant.

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Document and Entity Information	6 Months Ended
	Jun. 30, 2014	Jul. 15, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	TRINITY INDUSTRIES INC
Entity Central Index Key	0000099780
Document Type	10-Q
Document Period End Date	Jun. 30, 2014
Amendment Flag	false
Document Fiscal Year Focus	2014
Document Fiscal Period	Q2
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		156,060,454

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Property, Plant, and Equipment

6 Months Ended

Jun. 30, 2014

Property, Plant and Equipment [Abstract]

Property, Plant, and Equipment

Property, Plant, and Equipment

The following table summarizes the components of property, plant, and equipment as of June 30, 2014 and December 31, 2013.

	June 30, 2014			December 31, 2013
	(in millions)
Manufacturing/Corporate:
Land	$	60.2		$	44.2
Buildings and improvements	488.3			463.2
Machinery and other	888.0			832.5
Construction in progress	84.3			79.0
	1,520.8			1,418.9
Less accumulated depreciation	(780.3		)	(748.3		)
	740.5			670.6
Leasing:
Wholly-owned subsidiaries:
Machinery and other	10.8			10.3
Equipment on lease	2,985.9			3,509.1
	2,996.7			3,519.4
Less accumulated depreciation	(559.9		)	(554.8		)
	2,436.8			2,964.6
Partially-owned subsidiaries:
Equipment on lease	2,259.9			1,887.2
Less accumulated depreciation	(229.5		)	(202.1		)
	2,030.4			1,685.1
Net deferred profit on railcars sold to the Leasing Group	(537.0		)	(549.7		)
	$	4,670.7		$	4,770.6

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Consolidated Statements of Comprehensive Income (unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income	$ 173.1	$ 88.2	$ 406.1	$ 167.0
Derivative financial instruments:
Unrealized gains/(losses) arising during the period, net of tax expense/(benefit) of $(0.1), $(0.1), $0.3 and $0.4	(0.6)	1.5	(1.8)	0.8
Reclassification adjustments for losses included in net income, net of tax benefit of $1.9, $2.0, $3.9 and $4.8	4.2	4.7	8.5	9.3
Defined benefit plans:
Amortization of net actuarial losses, net of tax benefit of $0.1, $0.5, $0.2 and $1.0	0.2	0.8	0.4	1.5
Other comprehensive income (loss), net of tax	3.8	7.0	7.1	11.6
Comprehensive income	176.9	95.2	413.2	178.6
Less: comprehensive income attributable to noncontrolling interest	9.5	5.9	16.8	6.3
Comprehensive income attributable to Trinity Industries, Inc.	$ 167.4	$ 89.3	$ 396.4	$ 172.3

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Acquisitions and Divestitures

6 Months Ended

Jun. 30, 2014

Business Combinations [Abstract]

Acquisitions and Divestitures

 Acquisitions and Divestitures

The Company's acquisition and divestiture activities are summarized below:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
	(in millions)
Acquisitions:
Purchase price	$	7.7	$	29.6	$	125.3	$	83.4
Net cash paid	$	6.2	$	28.1	$	118.8	$	37.2
Goodwill recorded	$	5.1	$	7.0	$	87.2	$	9.5
Divestitures:
Proceeds	$	—	$	—	$	—	$	35.6
Gain recognized	$	—	$	0.1	$	—	$	12.5
Goodwill charged off	$	—	$	—	$	—	$	4.8

During the six months endedJune 30, 2014, we completed the acquisition of three businesses in our Energy Equipment Group located in the U.S. and Canada and one business in our Construction Products Group located in the U.S. The acquisitions were recorded based on preliminary valuations of the related assets and liabilities at their acquisition date fair value using level three inputs. Such assets and liabilities were not significant in relation to assets and liabilities at the consolidated or segment level. See Note 3 Fair Value Accounting for a discussion of inputs in determining fair value.

During the six months endedJune 30, 2013, the Company sold its ready-mix concrete operations in exchange for certain aggregates operations. The divestiture has been accounted for and reported as a discontinued operation. Condensed results of operations for the ready-mix concrete operations for the three and six months endedJune 30, 2014 and 2013 are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Revenues	$	—		$	—		$	—		$	31.6
Loss from discontinued operations before income taxes	$	(0.2	)	$	(1.6	)	$	(0.7	)	$	(2.3	)
Income tax benefit	—			(0.5		)	(0.2		)	(0.8		)
Net loss from discontinued operations	$	(0.2	)	$	(1.1	)	$	(0.5	)	$	(1.5	)

In June 2014, Trinity entered into an agreement to acquire the assets of Meyer Steel Structures ("Meyer"), the utility steel structures division of Thomas & Betts Corporation, a member of the ABB Group, for approximately $600 million. Meyer is one of North America's leading providers of tubular steel structures for electricity transmission and distribution. The transaction is expected to close during the quarter ending September 30, 2014, subject to regulatory approval. The operations of Meyer will be included with the Company's Energy Equipment Group.

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2014

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Basis of Presentation

The foregoing consolidated financial statements are unaudited and have been prepared from the books and records of Trinity Industries, Inc. and its consolidated subsidiaries (“Trinity”, “Company”, “we”, or “our”) including the accounts of its wholly-owned subsidiaries and its partially-owned subsidiaries, TRIP Rail Holdings LLC (“TRIP Holdings”) and RIV 2013 Rail Holdings LLC ("RIV 2013"), in which the Company has a controlling interest. In our opinion, all normal and recurring adjustments necessary for a fair presentation of the financial position of the Company as of June 30, 2014, and the results of operations for the three and six months endedJune 30, 2014 and 2013, and cash flows for the six months endedJune 30, 2014 and 2013, have been made in conformity with generally accepted accounting principles. All significant intercompany accounts and transactions have been eliminated. Because of seasonal and other factors, the results of operations for the six months endedJune 30, 2014 may not be indicative of expected results of operations for the year ending December 31, 2014. These interim financial statements and notes are condensed as permitted by the instructions to Form 10-Q and should be read in conjunction with the audited consolidated financial statements of the Company included in its Form 10-K for the year endedDecember 31, 2013.

Stockholders' Equity

On May 5, 2014, the Company's Board of Directors authorized a 2-for-1 stock split on its common shares. The stock split was issued in the form of a 100% stock dividend. The additional shares were distributed on June 19, 2014, to shareholders of record at the close of business on June 5, 2014. All share and per share information, including dividends, has been retroactively adjusted to reflect the 2-for-1 stock split, except for the statement of stockholders' equity which will reflect the stock split by reclassifying from "Capital in Excess of Par Value" to "Common Stock" in the amount of $78.0 million, which equals the par value of the additional shares issued to effect the stock split.

In March 2014, the Company’s Board of Directors authorized a new $250 million share repurchase program that expires on December 31, 2015 and replaced the Company's previously authorized $200 million share repurchase program. Under the new program, 63,600 shares and 340,146 shares, respectively, were repurchased during the three and six months endedJune 30, 2014, at a cost of approximately $2.5 million and $12.5 million, respectively. During the three and six months endedJune 30, 2013, the Company repurchased 2,588,496 shares under the prior program at a cost of approximately $49.9 million. Certain shares of stock repurchased during June 2013, totaling $9.7 million, were cash settled in July 2013 in accordance with normal settlement practices.

Revenue Recognition

Revenues for contracts providing for a large number of units and few deliveries are recorded as the individual units are produced, inspected, and accepted by the customer as the risk of loss passes to the customer upon delivery acceptance on these contracts. This occurs primarily in the Rail and Inland Barge Groups. Revenue from rentals and operating leases, including contracts which contain non-level fixed rental payments, is recognized monthly on a straight-line basis. Revenue is recognized from the sales of railcars from the lease fleet on a gross basis in leasing revenues and cost of revenues if the railcar has been owned for one year or less at the time of sale. Sales of railcars from the lease fleet that have been owned for more than one year are recognized as a net gain or loss from the disposal of a long-term asset. Fees for shipping and handling are recorded as revenue. For all other products, we recognize revenue when products are shipped or services are provided.

Financial Instruments

The Company considers all highly liquid debt instruments to be either cash and cash equivalents if purchased with a maturity of three months or less, or short-term marketable securities if purchased with a maturity of more than three months and less than one year. The Company intends to hold its short-term marketable securities until they are redeemed at their maturity date and believes that under the "more likely than not" criteria, the Company will not be required to sell the securities before recovery of their amortized cost bases, which may be maturity.

Financial instruments that potentially subject the Company to a concentration of credit risk are primarily cash investments including restricted cash, short-term marketable securities, and receivables. The Company places its cash investments and short-term marketable securities in bank deposits and investment grade, short-term debt instruments and limits the amount of credit exposure to any one commercial issuer. Concentrations of credit risk with respect to receivables are limited due to control procedures that monitor the credit worthiness of customers, the large number of customers in the Company's customer base, and their dispersion across different industries and geographic areas. As receivables are generally unsecured, the Company maintains an allowance for doubtful accounts based upon the expected collectibility of all receivables. Receivable balances determined to be uncollectible are charged against the allowance. The carrying values of cash, short-term marketable securities, receivables, and accounts payable are considered to be representative of their respective fair values.

Recent Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2014-09, "Revenue from Contracts with Customers," ("ASU 2014-09") providing common revenue recognition guidance for U.S. GAAP. Under ASU 2014-09, an entity recognizes revenue when it transfers promised goods or services to customers in an amount that reflects what it expects in exchange for the goods or services. It also requires additional detailed disclosures to enable users of financial statements to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers. ASU 2014-09 will become effective for public companies during interim and annual reporting periods beginning after December 15, 2016. Early application is not permitted. We are currently evaluating the impact this standard will have on our consolidated financial statements.

Reclassifications

Certain prior year balances have been reclassified in the consolidated statements of cash flows to conform to the 2014 presentation.

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Income Taxes

6 Months Ended

Jun. 30, 2014

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The provision for income taxes results in effective tax rates that differ from the statutory rates. The following is a reconciliation between the statutory U.S. Federal income tax rate and the Company’s effective income tax rate on income from continuing operations:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Statutory rate	35.0	%	35.0	%	35.0	%	35.0	%
State taxes	0.9		2.1		0.9		2.1
Domestic production activities deduction	(2.2	)	(1.5	)	(2.2	)	(1.0	)
Noncontrolling interest in partially-owned subsidiaries	(1.1	)	(1.6	)	(1.2	)	(0.8	)
Tax assessments and settlements	—		1.2		—		0.6
Other, net	—		(0.6	)	0.1		(0.5	)
Effective rate	32.6	%	34.6	%	32.6	%	35.4	%

Our effective tax rate reflects a current tax benefit available for U.S. manufacturing activities in addition to income attributable to the noncontrolling interests in TRIP Holdings and RIV 2013 for which no income tax expense is provided. See Note 5 Partially-Owned Leasing Subsidiaries for a further explanation of activities with respect to TRIP Holdings and RIV 2013.

Taxing authority examinations

The IRS field work for our 2006-2008 audit cycle has concluded and all issues, except for transfer pricing, have been agreed upon and tentatively settled. The transfer pricing issue has been appealed and we are working with both the U.S. and Mexican taxing authorities to coordinate taxation in a formal mutual agreement process (“MAP”). On September 30, 2013, we received the revenue agent report for the 2009-2011 audit cycle. All issues have been concluded and agreed to except for transfer pricing issues. These issues have been appealed and we have requested they be addressed in the same MAP of the 2006-2008 cycle. At this time, we cannot determine when the 2006-2008 cycle or the 2009-2011 cycles will close and all issues formally settled.

We have various subsidiaries in Mexico that file separate tax returns and are subject to examination by taxing authorities at different times. The 2007 tax year of one of our Mexican subsidiaries is still under review for transfer pricing purposes only, and its statute of limitations remains open through the later of the resolution of the MAP or August 2017. The remaining entities are generally open for their 2008 tax years and forward.

Our two Swiss subsidiaries, one of which is a holding company and the other of which is dormant, have been audited by the taxing authorities through 2008 and 2009, respectively. The statute of limitations in Switzerland is generally five years from the end of the tax year, but can be extended up to 15 years in certain cases if the audit has commenced during the original five-year period. We also currently have sales offices in Europe and Canada that are subject to various statutes of limitations with regard to their tax status. Generally, states’ statutes of limitations in the U.S. are open from 2003 forward due to the use of tax loss carryforwards in certain jurisdictions.

Unrecognized tax benefits

The change in unrecognized tax benefits for the six months endedJune 30, 2014 and 2013 was as follows:

	Six Months Ended June 30,
	2014			2013
	(in millions)
Beginning balance	$	55.0		$	48.7
Additions for tax positions related to the current year	2.6			2.3
Additions for tax positions of prior years	—			0.9
Reductions for tax positions of prior years	(0.1		)	—
Expiration of statute of limitations	—			(0.1		)
Ending balance	$	57.5		$	51.8

Additions for tax positions related to the current year in the amounts of $2.6 million and $2.3 million recorded in the six months endedJune 30, 2014 and 2013, respectively, were amounts provided for tax positions that will be taken for Federal and state income tax purposes when we file those tax returns.

Additions for tax positions related to prior years in the amount of $0.9 million recorded in the six months endedJune 30, 2013, were for Federal tax positions taken on the prior year tax returns.

The reduction in tax positions of prior years of $0.1 million for the six months endedJune 30, 2014, was primarily related to changes in state taxes.

The expiration of statute of limitations in 2013 relates to state taxes where the statute has closed.

The total amount of unrecognized tax benefits including interest and penalties at June 30, 2014 and 2013, that would affect the Company’s overall effective tax rate if recognized was $14.0 million and $13.1 million, respectively.

Trinity accounts for interest expense and penalties related to income tax issues as income tax expense. Accordingly, interest expense and penalties associated with an uncertain tax position are included in the income tax provision. The total amount of accrued interest and penalties as of June 30, 2014 and December 31, 2013 was $11.2 million and $10.8 million, respectively. Income tax expense for the three and six months endedJune 30, 2014, included an increase in income tax expense of $0.2 million and $0.4 million in interest expense and penalties, respectively, related to uncertain tax positions. Income tax expense for the three and six months endedJune 30, 2013, included an increase in income tax expense of $0.2 million and $0.4 million in interest expense and penalties, respectively, related to uncertain tax positions.

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Goodwill

6 Months Ended

Jun. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

Goodwill by segment is as follows:

	June 30, 2014		December 31, 2013
			(as reported)
	(in millions)
Rail Group	$	134.6	$	134.6
Construction Products Group	128.4		126.9
Energy Equipment Group	100.6		14.9
Railcar Leasing and Management Services Group	1.8		1.8
	$	365.4	$	278.2

The increase in the Construction Products Group and Energy Equipment Group goodwill as of June 30, 2014 is due to acquisition activities during the six months endedJune 30, 2014. See Note 2 Acquisitions and Divestitures.

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Partially-Owned Leasing Subsidiaries

6 Months Ended

Jun. 30, 2014

Partially-Owned Leasing Subsidiaries [Abstract]

Partially-Owned Leasing Subsidiaries

Partially-Owned Leasing Subsidiaries

The Company, through its wholly-owned subsidiary, TILC, formed two subsidiaries, TRIP Holdings and RIV 2013, for the purpose of providing railcar leasing in North America. Each of TRIP Holdings and RIV 2013 are direct, partially-owned subsidiaries of TILC and are each governed by a seven-member board of representatives, two of whom are designated by TILC. TILC is the agent of each of TRIP Holdings and RIV 2013 and as such, has been delegated the authority, power, and discretion to take certain actions on behalf of the respective companies. Each of TRIP Holdings and RIV 2013 in turn has wholly-owned subsidiaries which are the owners of railcars. These wholly-owned subsidiaries are TRIP Master Funding (wholly-owned by TRIP Holdings) and Trinity Rail Leasing 2012 LLC ("TRL 2012", wholly-owned by RIV 2013). TILC is the contractual servicer for TRIP Master Funding and TRL 2012, with the authority to manage and service each entity's owned railcars. The Company's controlling interest in each of TRIP Holdings and RIV 2013 results from its combined role as both equity member and agent/servicer. The noncontrolling interest included in the accompanying consolidated balance sheets represents the non-Trinity equity interest in these partially-owned subsidiaries. The railcars owned by TRIP Master Funding were originally acquired from the Company's Rail and Leasing Groups by TRIP Rail Leasing LLC ("TRIP Leasing"), a wholly-owned subsidiary of TRIP Holdings. TRIP Master Funding acquired the railcars from TRIP Leasing in July 2011. TRIP Leasing currently owns no railcars and is not expected to acquire any railcars.

TRIP Holdings and RIV 2013, through TRIP Leasing and TRL 2012, respectively, acquired railcars from the Company's Rail and Leasing Groups funded by capital contributions from TILC and third-party equity investors, and from secured borrowings. Railcars purchased from the Company by TRIP Master Funding and TRL 2012 are required to be purchased at fair value as determined by TILC and approved by the boards of representatives of TRIP Holdings and RIV 2013, respectively. The assets of each of TRIP Master Funding and TRL 2012 may only be used to satisfy the particular subsidiary's liabilities, and the creditors of each of TRIP Master Funding and TRL 2012 have recourse only to the particular subsidiary's assets. Each of TILC and the third-party equity investors receive distributions from TRIP Holdings and RIV 2013, when allowed, in proportion to its respective equity interests, and has an interest in the net assets of the partially-owned subsidiaries upon a liquidation event in the same proportion. TILC is paid fees for the services it provides to TRIP Master Funding and TRL 2012 and has the potential to earn certain incentive fees. With respect to TRIP Holdings as of June 30, 2014, TILC has a commitment that expires in May 2016 to provide additional equity funding of up to $5.7 million for the purchase of railcars and satisfaction of certain other liabilities of TRIP Holdings. The third-party equity investors in TRIP Holdings have a similar commitment that expires in May 2016 to provide up to $12.9 million of additional equity funding. TILC and the third-party equity investors may have additional commitments to provide equity funding to TRIP Holdings that expire in May 2019 contingent upon certain returns on investment in TRIP Holdings and other conditions being met. Trinity has no obligation to guarantee performance under any of the partially-owned subsidiaries' (or their respective subsidiaries') debt agreements, guarantee any railcar residual values, shield any parties from losses, or guarantee minimum yields.

In May 2014, TILC and the third-party investors of TRIP Holdings contributed $21.6 million and $49.6 million, respectively, net of expenses, to TRIP Holdings. These contributions, combined with additional secured borrowings, were used to purchase additional railcar equipment from TILC. At June 30, 2014, the Company's carrying value of its investment in TRIP Holdings was $184.8 million, representing the Company's 43% ownership interest, while the Company's carrying value of its investment in RIV 2013 was $45.2 million, representing the Company's 31% interest. The Company's investments in its partially-owned leasing subsidiaries are eliminated in consolidation.

See Note 11 Debt regarding the debt of TRIP Holdings and RIV 2013 and their respective subsidiaries.

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Derivative Instruments (Details Textual) (Designated as hedging instrument, USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014 Expired hedges 2006 secured railcar equipment notes	Jun. 30, 2014 Expired hedges Promissory notes	Jun. 30, 2014 Expired hedges TRIP Holdings warehouse loan	Jun. 30, 2014 Open hedges Promissory notes	Jun. 30, 2014 Open hedges TRIP Master Funding secured railcar equipment notes	Jul. 31, 2011 Open hedges TRIP Master Funding secured railcar equipment notes
Derivative Instruments (Textual) [Abstract]
Notional amount	$ 200.0	$ 370.0	$ 788.5	$ 401.5	$ 61.5	$ 94.1
Changes in fair value of cash flow hedges which is being amortized to income (loss)	4.5	(24.5)
Expected effect during next twelve months			$ 5.0

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Fair Value Accounting

6 Months Ended

Jun. 30, 2014

Fair Value Disclosures [Abstract]

Fair Value Accounting

Fair Value Accounting

Assets and liabilities measured at fair value on a recurring basis are summarized below:

	Fair Value Measurement as of June 30, 2014
	(in millions)
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	414.7	$	—	$	—	$	414.7
Restricted cash	248.5		—		—		248.5
Total assets	$	663.2	$	—	$	—	$	663.2
Liabilities:
Interest rate hedges:(1)
Wholly-owned subsidiaries	$	—	$	14.2	$	—	$	14.2
Partially-owned subsidiaries	—		2.3		—		2.3
Total liabilities	$	—	$	16.5	$	—	$	16.5
	Fair Value Measurement as of December 31, 2013
	(in millions)
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	230.6	$	—	$	—	$	230.6
Restricted cash	260.7		—		—		260.7
Total assets	$	491.3	$	—	$	—	$	491.3
Liabilities:
Interest rate hedges:(1)
Wholly-owned subsidiaries	$	—	$	21.7	$	—	$	21.7
Partially-owned subsidiaries	—		2.1		—		2.1
Total liabilities	$	—	$	23.8	$	—	$	23.8

⁽¹⁾ Included in accrued liabilities on the consolidated balance sheet.

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for that asset or liability in an orderly transaction between market participants on the measurement date. An entity is required to establish a fair value hierarchy that maximizes the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. The three levels of inputs that may be used to measure fair values are listed below:

Level 1 – This level is defined as quoted prices in active markets for identical assets or liabilities. The Company’s cash equivalents, excluding commercial paper, and restricted cash are instruments of the U.S. Treasury or highly-rated money market mutual funds.

Level 2 – This level is defined as observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Interest rate hedges are valued at exit prices obtained from each counterparty. See Note 7 Derivative Instruments and Note 11 Debt.

Level 3 – This level is defined as unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

The carrying amounts and estimated fair values of our long-term debt are as follows:

	June 30, 2014					December 31, 2013
	Carrying Value			Estimated Fair Value		Carrying Value			Estimated Fair Value
	(in millions)
Recourse:
Convertible subordinated notes	$	450.0		$	837.9	$	450.0		$	593.4
Less: unamortized discount	(67.0		)			(74.1		)
	383.0					375.9
Capital lease obligations	40.6			40.6		42.2			42.2
Other	0.9			0.9		0.9			0.9
	424.5			879.4		419.0			636.5
Non-recourse:
2006 secured railcar equipment notes	232.5			256.4		240.7			259.2
Promissory notes	382.0			376.9		396.1			389.6
2009 secured railcar equipment notes	194.1			233.5		199.0			229.5
2010 secured railcar equipment notes	320.1			351.8		326.9			342.7
TILC warehouse facility	132.0			132.0		152.0			152.0
TRL 2012 secured railcar equipment notes - RIV 2013	486.6			485.1		499.3			483.4
TRIP Master Funding secured railcar equipment notes	1,070.7			1,152.5		756.8			819.8
	2,818.0			2,988.2		2,570.8			2,676.2
Total	$	3,242.5		$	3,867.6	$	2,989.8		$	3,312.7

The estimated fair value of our convertible subordinated notes was based on a quoted market price in a market with little activity as of June 30, 2014 and December 31, 2013, respectively (Level 2 input). The estimated fair values of our 2006, 2009, 2010, and 2012 secured railcar equipment notes, promissory notes, and TRIP Rail Master Funding LLC (“TRIP Master Funding”) secured railcar equipment notes are based on our estimate of their fair value as of June 30, 2014 and December 31, 2013, respectively. These values were determined by discounting their future cash flows at the current market interest rate (Level 3 inputs). The carrying value of our Trinity Industries Leasing Company (“TILC”) warehouse facility approximates fair value because the interest rate adjusts to the market interest rate (Level 3 input). The fair values of all other financial instruments are estimated to approximate carrying value. See Note 11 Debt for a description of the Company's long-term debt.

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Segment Information

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Segment Information

Segment Information

The Company reports operating results in five principal business segments: (1) the Rail Group, which manufactures and sells railcars and related parts and components; (2) the Construction Products Group, which manufactures and sells highway products and other steel products for infrastructure-related projects, and produces and sells aggregates; (3) the Inland Barge Group, which manufactures and sells barges and related products for inland waterway services; (4) the Energy Equipment Group, which manufactures and sells products for energy-related businesses, including structural wind towers, storage containers, transport trailers, tank heads for pressure and non-pressure vessels, and utility, traffic, and lighting structures; and (5) the Railcar Leasing and Management Services Group (“Leasing Group”), which owns and operates a fleet of railcars as well as provides third-party fleet management, maintenance, and leasing services. The segment All Other includes our captive insurance and transportation companies; legal, environmental, and maintenance costs associated with non-operating facilities; and other peripheral businesses. Gains and losses from the sale of property, plant, and equipment that are related to manufacturing and dedicated to the specific manufacturing operations of a particular segment are included in operating profit of that respective segment. Gains and losses from the sale of property, plant, and equipment that can be utilized by multiple segments are included in operating profit of the All Other segment.

Sales and related net profits from the Rail Group to the Leasing Group are recorded in the Rail Group and eliminated in consolidation. Sales between these groups are recorded at prices comparable to those charged to external customers, taking into consideration quantity, features, and production demand. Intersegment sales and net profit ("deferred profit") are eliminated in consolidation and reflected in the "Eliminations – Lease subsidiary" line in the table below. Amortization of deferred profit on railcars sold to the Leasing Group is included in the operating profit of the Leasing Group, resulting in the recognition of depreciation expense based on the Company's original manufacturing cost of the railcars. Sales of railcars from the lease fleet are included in the Leasing Group, with related gains and losses computed based on the net book value of the original manufacturing cost of the railcars.

The financial information from continuing operations for these segments is shown in the tables below. We operate principally in North America.

Three Months EndedJune 30, 2014

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	760.7	$	134.9		$	895.6		$	176.0
Construction Products Group	149.9		1.8			151.7			22.4
Inland Barge Group	165.4		—			165.4			30.9
Energy Equipment Group	183.2		44.4			227.6			28.3
Railcar Leasing and Management Services Group	225.4		6.1			231.5			102.4
All Other	0.7		27.4			28.1			(2.6		)
Segment Totals before Eliminations and Corporate	1,485.3		214.6			1,699.9			357.4
Corporate	—		—			—			(29.7		)
Eliminations – Lease subsidiary	—		(128.6		)	(128.6		)	(26.9		)
Eliminations – Other	—		(86.0		)	(86.0		)	1.2
Consolidated Total	$	1,485.3	$	—		$	1,485.3		$	302.0

Three Months EndedJune 30, 2013

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	474.1	$	193.9		$	668.0		$	107.9
Construction Products Group	149.3		5.2			154.5			19.0
Inland Barge Group	150.0		—			150.0			20.9
Energy Equipment Group	121.4		31.1			152.5			14.3
Railcar Leasing and Management Services Group	169.6		—			169.6			75.7
All Other	1.7		20.0			21.7			(3.8		)
Segment Totals before Eliminations and Corporate	1,066.1		250.2			1,316.3			234.0
Corporate	—		—			—			(15.5		)
Eliminations – Lease subsidiary	—		(189.5		)	(189.5		)	(34.7		)
Eliminations – Other	—		(60.7		)	(60.7		)	(0.4		)
Consolidated Total	$	1,066.1	$	—		$	1,066.1		$	183.4

Six Months EndedJune 30, 2014

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	1,361.8	$	391.2		$	1,753.0		$	343.5
Construction Products Group	262.1		2.7			264.8			44.1
Inland Barge Group	302.3		—			302.3			57.6
Energy Equipment Group	350.2		88.0			438.2			51.2
Railcar Leasing and Management Services Group	667.6		7.0			674.6			332.7
All Other	1.8		49.5			51.3			(8.0		)
Segment Totals before Eliminations and Corporate	2,945.8		538.4			3,484.2			821.1
Corporate	—		—			—			(52.8		)
Eliminations – Lease subsidiary	—		(377.7		)	(377.7		)	(76.2		)
Eliminations – Other	—		(160.7		)	(160.7		)	1.2
Consolidated Total	$	2,945.8	$	—		$	2,945.8		$	693.3

Six Months EndedJune 30, 2013

	Revenues								Operating Profit (Loss)
	External		Intersegment			Total
	(in millions)
Rail Group	$	897.7	$	395.8		$	1,293.5		$	210.8
Construction Products Group	247.3		11.0			258.3			26.7
Inland Barge Group	297.4		—			297.4			45.2
Energy Equipment Group	249.9		57.3			307.2			29.2
Railcar Leasing and Management Services Group	304.0		—			304.0			137.3
All Other	2.7		38.3			41.0			(6.4		)
Segment Totals before Eliminations and Corporate	1,999.0		502.4			2,501.4			442.8
Corporate	—		—			—			(32.1		)
Eliminations – Lease subsidiary	—		(387.5		)	(387.5		)	(67.1		)
Eliminations – Other	—		(114.9		)	(114.9		)	(0.7		)
Consolidated Total	$	1,999.0	$	—		$	1,999.0		$	342.9

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Railcar Leasing and Management Services Group

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Railcar Leasing and Management Services Group

Railcar Leasing and Management Services Group

The Railcar Leasing and Management Services Group owns and operates a fleet of railcars as well as provides third-party fleet management, maintenance, and leasing services. Selected consolidating financial information for the Leasing Group is as follows:

	June 30, 2014
	Leasing Group
	Wholly- Owned Subsidiaries		Partially-Owned Subsidiaries		Manufacturing/ Corporate			Total
	(in millions)
Cash, cash equivalents, and short-term marketable securities	$	3.3	$	—	$	930.5		$	933.8
Property, plant, and equipment, net	$	2,436.8	$	2,030.4	$	740.5		$	5,207.7
Net deferred profit on railcars sold to the Leasing Group								(537.0		)
Consolidated property, plant and equipment, net								$	4,670.7
Restricted cash	$	157.9	$	90.6	$	—		$	248.5
Debt:
Recourse	$	40.6	$	—	$	450.9		$	491.5
Less: unamortized discount	—		—		(67.0		)	(67.0		)
	40.6		—		383.9			424.5
Non-recourse	1,260.7		1,557.3		—			2,818.0
Total debt	$	1,301.3	$	1,557.3	$	383.9		$	3,242.5
Net deferred tax liabilities	$	647.8	$	0.1	$	(8.2	)	$	639.7

	December 31, 2013
	Leasing Group
	Wholly- Owned Subsidiaries		Partially-Owned Subsidiaries		Manufacturing/ Corporate			Total
	(in millions)
Cash, cash equivalents, and short-term marketable securities	$	3.5	$	—	$	574.7		$	578.2
Property, plant, and equipment, net	$	2,964.6	$	1,685.1	$	670.6		$	5,320.3
Net deferred profit on railcars sold to the Leasing Group								(549.7		)
Consolidated property, plant and equipment, net								$	4,770.6
Restricted cash	$	183.6	$	77.1	$	—		$	260.7
Debt:
Recourse	$	42.2	$	—	$	450.9		$	493.1
Less: unamortized discount	—		—		(74.1		)	(74.1		)
	42.2		—		376.8			419.0
Non-recourse	1,314.7		1,256.1		—			2,570.8
Total debt	$	1,356.9	$	1,256.1	$	376.8		$	2,989.8
Net deferred tax liabilities	$	671.9	$	—	$	(32.5	)	$	639.4

Net deferred profit on railcars sold to the Leasing Group consists of intersegment profit that is eliminated in consolidation and is, therefore, not allocated to an operating segment. See Note 5 Partially-Owned Leasing Subsidiaries and Note 11 Debt for a further discussion regarding the Company’s investment in its partially-owned leasing subsidiaries and the related indebtedness.

	Three Months Ended June 30,								Six Months Ended June 30,
	2014			2013			Percent		2014			2013			Percent
	($ in millions)						Change		($ in millions)						Change
Revenues:
Leasing and management	$	160.7		$	150.7		6.6	%	$	310.9		$	285.0		9.1	%
Sales of railcars owned one year or less at the time of sale	70.8			18.9			*		363.7			19.0			*
Total revenues	$	231.5		$	169.6		36.5		$	674.6		$	304.0		121.9
Operating profit:
Leasing and management	$	75.5		$	71.0		6.3		$	139.4		$	125.8		10.8
Railcar sales:
Railcars owned one year or less at the time of sale	17.2			3.5					106.1			3.5
Railcars owned more than one year at the time of sale	9.7			1.2					87.2			8.0
Total operating profit	$	102.4		$	75.7		35.3		$	332.7		$	137.3		142.3
Operating profit margin:
Leasing and management	47.0		%	47.1		%			44.8		%	44.1		%
Railcar sales	*			*					*			*
Total operating profit margin	44.2		%	44.6		%			49.3		%	45.2		%
Selected expense information(1):
Depreciation	$	32.2		$	32.0		0.6		$	64.7		$	63.0		2.7
Maintenance	$	20.0		$	18.4		8.7		$	41.0		$	37.4		9.6
Rent	$	13.3		$	13.3		—		$	26.6		$	26.7		(0.4	)
Interest:
External	$	38.1		$	38.0				$	75.4		$	78.9
Intercompany	—			1.1					—			3.8
Total interest expense	$	38.1		$	39.1		(2.6	)	$	75.4		$	82.7		(8.8	)

 * Not meaningful

⁽¹⁾ Depreciation, maintenance, and rent expense are components of operating profit. Amortization of deferred profit on railcars sold from the Rail Group to the Leasing Group is included in the operating profits of the Leasing Group resulting in the recognition of depreciation expense based on the Company's original manufacturing cost of the railcars. Interest expense is not a component of operating profit and includes the effect of hedges. Intercompany interest expense is eliminated in consolidation and arises from Trinity’s previous ownership of a portion of TRIP Holdings’ Senior Secured Notes, which notes were retired in full in May 2013. See Note 11 Debt.

During the six months endedJune 30, 2014, the Company received proceeds of $635.7 million from the sale of leased railcars to Element Financial Corporation ("Element") under the strategic alliance with Element announced in December 2013, including $81.6 million recorded as revenue by the Rail Group. From the total proceeds received from Element, the Leasing Group recorded $331.4 million in revenue from the sale of railcars owned one year or less at the time of sale. The remainder of the proceeds of $222.7 million is attributable to the sale of railcars owned more than one year at the time of sale and is, consequently, excluded from revenue.

Equipment consists primarily of railcars leased by third parties. The Leasing Group purchases equipment manufactured predominantly by the Rail Group and enters into lease contracts with third parties with terms generally ranging between one and twenty years. The Leasing Group primarily enters into operating leases. Future contractual minimum rental revenues on leases are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter		Total
	(in millions)
Future contractual minimum rental revenue	$	221.0	$	388.9	$	325.1	$	261.7	$	196.6	$	295.8	$	1,689.1

Debt. The Leasing Group’s debt at June 30, 2014 consisted of both recourse and non-recourse debt. As of June 30, 2014, Trinity’s wholly-owned subsidiaries included in the Leasing Group held equipment with a net book value of $1,888.3 million, excluding deferred profit, which is pledged as collateral for Leasing Group debt held by those subsidiaries, including equipment with a net book value of $46.7 million securing capital lease obligations. The net book value, excluding deferred profit, of unpledged equipment at June 30, 2014 was $462.5 million. See Note 11 Debt for the form, maturities, and descriptions of Leasing Group debt.

Partially-owned subsidiaries. Debt owed by TRIP Holdings and RIV 2013 and their respective subsidiaries is nonrecourse to Trinity and TILC. Creditors of each of TRIP Holdings and RIV 2013 and their respective subsidiaries have recourse only to the particular subsidiary's assets. TRIP Master Funding equipment with a net book value of $1,419.7 million, excluding deferred profit, resulting from the sale of railcars to TRIP Master Funding, is pledged as collateral for the TRIP Master Funding debt. TRL 2012 equipment with a net book value of $610.7 million, excluding deferred profit, resulting from the sale of railcars to TRL 2012, is pledged solely as collateral for the TRL 2012 secured railcar equipment notes. See Note 5 Partially-Owned Leasing Subsidiaries for a description of TRIP Holdings and RIV 2013.

Off Balance Sheet Arrangements. In prior years, the Leasing Group completed a series of financing transactions whereby railcars were sold to one or more separate independent owner trusts (“Trusts”). Each of the Trusts financed the purchase of the railcars with a combination of debt and equity. In each transaction, the equity participant in the Trust is considered to be the primary beneficiary of the Trust and therefore, the debt related to the Trust is not included as part of the consolidated financial statements. The Leasing Group, through wholly-owned, qualified subsidiaries, leased railcars from the Trusts under operating leases with terms of 22 years, and subleased the railcars to independent third-party customers under shorter term operating rental agreements.

These Leasing Group subsidiaries had total assets as of June 30, 2014 of $202.0 million, including cash of $77.6 million and railcars of $84.8 million. The subsidiaries' cash, railcars, and an interest in each sublease are pledged to collateralize the lease obligations to the Trusts and are included in the consolidated financial statements of the Company. Trinity does not guarantee the performance of the subsidiaries’ lease obligations. Certain ratios and cash deposits must be maintained by the Leasing Group’s subsidiaries in order for excess cash flow, as defined in the agreements, from the lease to third parties to be available to Trinity. Future operating lease obligations of the Leasing Group’s subsidiaries as well as future contractual minimum rental revenues related to these leases due to the Leasing Group are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter		Total
	(in millions)
Future operating lease obligations of Trusts’ railcars	$	22.4	$	43.0	$	40.0	$	41.8	$	45.2	$	253.3	$	445.7
Future contractual minimum rental revenues of Trusts’ railcars	$	35.3	$	61.7	$	50.9	$	40.2	$	29.6	$	50.2	$	267.9

Operating Lease Obligations. Future amounts due as well as future contractual minimum rental revenues related to operating leases other than leases discussed above are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter		Total
	(in millions)
Future operating lease obligations	$	6.5	$	13.0	$	12.8	$	12.2	$	12.2	$	38.2	$	94.9
Future contractual minimum rental revenues	$	9.6	$	13.8	$	12.7	$	9.5	$	5.7	$	8.8	$	60.1

Operating lease obligations totaling $19.8 million are guaranteed by Trinity Industries, Inc. and certain subsidiaries. See Note 6 of the December 31, 2013 Consolidated Financial Statements filed on Form 10-K for a detailed explanation of these financing transactions.

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Debt (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Components of debt
Less: unamortized discount	$ (67.0)	[1]	$ (74.1)
Total debt	3,242.5	[1]	2,989.8
Notes payable	1,260.7	[1]	1,314.7
Carrying Value
Components of debt
Total debt	3,242.5		2,989.8
Recourse
Components of debt
Less: unamortized discount	(67.0)		(74.1)
Total debt	424.5		419.0
Recourse | Carrying Value
Components of debt
Total debt	424.5		419.0
Corporate | Recourse | Carrying Value
Components of debt
Revolving credit facility	0		0
Convertible subordinated notes	450.0		450.0
Less: unamortized discount	(67.0)		(74.1)
Convertible subordinated notes, net	383.0		375.9
Other	0.9		0.9
Total debt	383.9		376.8
Railcar Leasing and Management Services Group | Wholly-owned subsidiaries
Components of debt
Total debt	1,301.3		1,356.9
Railcar Leasing and Management Services Group | Partially-owned subsidiaries
Components of debt
Total debt	1,557.3		1,256.1
Railcar Leasing and Management Services Group | Recourse | Capital lease obligations | Carrying Value
Components of debt
Capital lease obligations	40.6		42.2
Railcar Leasing and Management Services Group | Recourse | Wholly-owned subsidiaries
Components of debt
Less: unamortized discount	0		0
Total debt	40.6		42.2
Railcar Leasing and Management Services Group | Recourse | Partially-owned subsidiaries
Components of debt
Less: unamortized discount	0		0
Total debt	0		0
Railcar Leasing and Management Services Group | Non-recourse | Carrying Value
Components of debt
Total debt	2,818.0		2,570.8
Railcar Leasing and Management Services Group | Non-recourse | Wholly-owned subsidiaries | Carrying Value
Components of debt
Total debt	1,260.7		1,314.7
Railcar Leasing and Management Services Group | Non-recourse | Wholly-owned subsidiaries | 2006 secured railcar equipment notes | Carrying Value
Components of debt
Notes payable	232.5		240.7
Railcar Leasing and Management Services Group | Non-recourse | Wholly-owned subsidiaries | Promissory notes | Carrying Value
Components of debt
Notes payable	382.0		396.1
Railcar Leasing and Management Services Group | Non-recourse | Wholly-owned subsidiaries | 2009 secured railcar equipment notes | Carrying Value
Components of debt
Notes payable	194.1		199.0
Railcar Leasing and Management Services Group | Non-recourse | Wholly-owned subsidiaries | 2010 secured railcar equipment notes | Carrying Value
Components of debt
Notes payable	320.1		326.9
Railcar Leasing and Management Services Group | Non-recourse | Wholly-owned subsidiaries | TILC warehouse facility | Carrying Value
Components of debt
Loans payable	132.0		152.0
Railcar Leasing and Management Services Group | Non-recourse | Partially-owned subsidiaries | Carrying Value
Components of debt
Notes payable	1,557.3		1,256.1
Railcar Leasing and Management Services Group | Non-recourse | Partially-owned subsidiaries | TRL 2012 secured railcar equipment notes - RIV 2013 | Carrying Value
Components of debt
Notes payable	486.6		499.3
Railcar Leasing and Management Services Group | Non-recourse | Partially-owned subsidiaries | TRIP Master Funding secured railcar equipment notes | Carrying Value
Components of debt
Notes payable	$ 1,070.7		$ 756.8

[1] (unaudited)

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Debt (Details 2) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014
Remaining principal payments under existing debt agreements
Remaining six months of 2014	$ 72.5
2015	183.2
2016	544.4
2017	100.5
2018	136.0
Thereafter	2,272.9
Recourse | Corporate
Remaining principal payments under existing debt agreements
Remaining six months of 2014	0.2
2015	0.2
2016	0.2
2017	0.3
2018	0
Thereafter	450.0
Recourse | Railcar Leasing and Management Services Group | Capital lease obligations
Remaining principal payments under existing debt agreements
Remaining six months of 2014	1.6
2015	3.2
2016	3.5
2017	3.7
2018	28.6
Thereafter	0
Non-recourse | Railcar Leasing and Management Services Group | 2006 secured railcar equipment notes
Remaining principal payments under existing debt agreements
Remaining six months of 2014	8.7
2015	18.6
2016	21.9
2017	24.0
2018	25.4
Thereafter	133.9
Non-recourse | Railcar Leasing and Management Services Group | Promissory notes
Remaining principal payments under existing debt agreements
Remaining six months of 2014	10.6
2015	21.7
2016	349.7
2017	0
2018	0
Thereafter	0
Non-recourse | Railcar Leasing and Management Services Group | 2009 secured railcar equipment notes
Remaining principal payments under existing debt agreements
Remaining six months of 2014	5.0
2015	9.6
2016	6.5
2017	6.3
2018	6.5
Thereafter	160.2
Non-recourse | Railcar Leasing and Management Services Group | 2010 secured railcar equipment notes
Remaining principal payments under existing debt agreements
Remaining six months of 2014	7.2
2015	15.3
2016	15.0
2017	13.7
2018	10.0
Thereafter	258.9
Non-recourse | Railcar Leasing and Management Services Group | TILC warehouse facility
Remaining principal payments under existing debt agreements
Remaining six months of 2014	2.3
2015	4.3
2016	3.9
2017	0
2018	0
Thereafter	0
Non-recourse | Railcar Leasing and Management Services Group | TRL 2012 secured railcar equipment notes - RIV 2013
Remaining principal payments under existing debt agreements
Remaining six months of 2014	12.3
2015	23.5
2016	22.6
2017	23.1
2018	23.4
Thereafter	381.7
Non-recourse | Railcar Leasing and Management Services Group | TRIP Master Funding secured railcar equipment notes
Remaining principal payments under existing debt agreements
Remaining six months of 2014	24.6
2015	46.3
2016	40.1
2017	29.4
2018	42.1
Thereafter	888.2
Non-recourse | Railcar Leasing and Management Services Group | Facility termination payments - TILC warehouse facility
Remaining principal payments under existing debt agreements
Remaining six months of 2014	0
2015	40.5
2016	81.0
2017	0
2018	0
Thereafter	$ 0

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Warranties (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Changes in the accruals for warranties
Beginning balance	$ 15.2	$ 12.6	$ 14.7	$ 12.5
Warranty costs incurred	(1.3)	(1.5)	(2.1)	(3.0)
Warranty originations and revisions	4.3	3.4	6.6	6.0
Warranty expirations	(1.1)	(1.0)	(2.1)	(2.0)
Ending balance	$ 17.1	$ 13.5	$ 17.1	$ 13.5

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Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2014

Derivative [Line Items]

Interest rate hedges

Interest rate hedges

					Included in accompanying balance sheet at June 30, 2014
	Notional Amount		Interest Rate(1)		Liability		AOCL – loss/ (income)			Noncontrolling Interest
	(in millions, except %)
Expired hedges:
2006 secured railcar equipment notes	$	200.0	4.87	%	$	—	$	(1.5	)	$	—
Promissory notes	$	370.0	5.34	%	$	—	$	2.6		$	—
TRIP Holdings warehouse loan	$	788.5	3.60	%	$	—	$	11.1		$	15.0
Open hedges:
TRIP Master Funding secured railcar equipment notes	$	61.5	2.62	%	$	2.3	$	1.0		$	1.3
Promissory notes	$	401.5	4.13	%	$	14.2	$	12.8		$	—

⁽¹⁾  Weighted average fixed interest rate

Interest rate hedges

Derivative [Line Items]

Effect on Statements of Operations

	Effect on interest expense - increase/(decrease)
	Three Months Ended June 30,						Six Months Ended June 30,						Expected effect during next twelve months(1)
	2014			2013			2014			2013
	(in millions)
Expired hedges:
2006 secured railcar equipment notes	$	(0.1	)	$	(0.1	)	$	(0.2	)	$	(0.2	)	$	(0.3	)
Promissory notes	$	0.7		$	0.8		$	1.5		$	1.6		$	2.6
TRIP Holdings warehouse loan	$	1.3		$	1.5		$	2.6		$	3.5		$	5.0
Open hedges:
TRIP Master Funding secured railcar equipment notes	$	0.4		$	0.4		$	0.8		$	0.9		$	1.4
Promissory notes	$	3.8		$	4.1		$	7.7		$	8.0		$	14.2

⁽¹⁾ Based on the fair value of open hedges as of June 30, 2014

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Partially-Owned Leasing Subsidiaries (Details Textual) (USD $) In Millions, unless otherwise specified	6 Months Ended					1 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Leasing Group Partially-owned subsidiaries subsidiaries board_members	Jun. 30, 2014 Leasing Group TRIP Leasing Railcar	Jun. 30, 2014 Leasing Group RIV 2013	May 31, 2014 Leasing Group TRIP Holdings	Jun. 30, 2014 Leasing Group TRIP Holdings
Schedule of Investments [Line Items]
Number of subsidiaries			2
Number of board members			7
Number of TILC designated board members			2
Number of railcars owned				0
Date through which equity funding is committed							May 2016
Remaining equity commitment outstanding							$ 5.7
Remaining equity commitment outstanding from third parties							12.9
Date through which equity is committed, extended date							May 2019
Trinity guarantees of subsidiary-related activities			0
Contribution from TILC to TRIP Holdings						21.6
Contribution from third-party investors to TRIP Holdings	49.6	0				49.6
Carrying value of investment in partially-owned subsidiary					$ 45.2		$ 184.8
Ownership percentage in partially-owned subsidiary					31.00%		43.00%

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Debt

6 Months Ended

Jun. 30, 2014

Debt Disclosure [Abstract]

Debt

Debt

The following table summarizes the components of debt as of June 30, 2014 and December 31, 2013:

	June 30, 2014			December 31, 2013
	(in millions)
Corporate – Recourse:
Revolving credit facility	$	—		$	—
Convertible subordinated notes	450.0			450.0
Less: unamortized discount	(67.0		)	(74.1		)
	383.0			375.9
Other	0.9			0.9
	383.9			376.8
Leasing – Recourse:
Capital lease obligations	40.6			42.2
Total recourse debt	424.5			419.0
Leasing – Non-recourse:
Wholly-owned subsidiaries:
2006 secured railcar equipment notes	232.5			240.7
Promissory notes	382.0			396.1
2009 secured railcar equipment notes	194.1			199.0
2010 secured railcar equipment notes	320.1			326.9
TILC warehouse facility	132.0			152.0
	1,260.7			1,314.7
Partially-owned subsidiaries:
TRL 2012 secured railcar equipment notes - RIV 2013	486.6			499.3
TRIP Master Funding secured railcar equipment notes	1,070.7			756.8
	1,557.3			1,256.1
Total non–recourse debt	2,818.0			2,570.8
Total debt	$	3,242.5		$	2,989.8

We have a $425.0 million unsecured revolving credit facility that matures on October 20, 2016. As of June 30, 2014, we had letters of credit issued under our revolving credit facility in an aggregate principal amount of $67.1 million, leaving $357.9 million available for borrowing. Other than these letters of credit, there were no borrowings under our revolving credit facility as of June 30, 2014, or for the six month period then ended. Of the outstanding letters of credit as of June 30, 2014, a total of $0.3 million is expected to expire in 2014 and the remainder in 2015. The majority of our letters of credit obligations support the Company’s various insurance programs and generally renew each year. Trinity’s revolving credit facility requires the maintenance of ratios related to minimum interest coverage for the leasing and manufacturing operations and maximum leverage. Borrowings under the credit facility bear interest at Libor plus 1.50% or prime plus 0.50%. As of June 30, 2014, we were in compliance with all such financial covenants.

The Company's 3 7/8% Convertible Subordinated Notes are recorded net of unamortized discount to reflect their underlying economics by capturing the value of the conversion option as borrowing costs. As of June 30, 2014 and December 31, 2013, capital in excess of par value included $92.8 million related to the estimated value of the Convertible Subordinated Notes’ conversion options, in accordance with ASC 470-20. Debt discount recorded in the consolidated balance sheet is being amortized through June 1, 2018 to yield an effective annual interest rate of 8.42% based upon the estimated market interest rate for comparable non-convertible debt as of the issuance date of the Convertible Subordinated Notes. Total interest expense recognized on the Convertible Subordinated Notes for the three and six months endedJune 30, 2014 and 2013 is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
	(in millions)
Coupon rate interest	$	4.3	$	4.3	$	8.7	$	8.7
Amortized debt discount	3.6		3.2		7.1		6.5
	$	7.9	$	7.5	$	15.8	$	15.2

Holders of the Convertible Subordinated Notes may convert their notes under the following circumstances: 1) if the daily closing price of our common stock is greater than or equal to 130% of the conversion price during 20 of the last 30 trading days of the preceding calendar quarter; 2) upon notice of redemption; or 3) upon the occurrence of specified corporate transactions pursuant to the terms of the applicable indenture. Upon conversion, the Company is required to pay cash up to the aggregate principal amount of the Convertible Subordinated Notes to be converted. Any conversion obligation in excess of the aggregate principal amount of the Convertible Subordinated Notes to be converted may be settled in cash, shares of the Company’s common stock, or a combination of cash and shares of the Company’s common stock, at the Company’s election. The conversion price, which is subject to adjustment upon the occurrence of certain events, was $25.31 per share as of June 30, 2014. The Convertible Subordinated Notes were subject to conversion as of July 1, 2014. Holders of the Convertible Subordinated Notes have the right to convert the notes until September 30, 2014. The Convertible Subordinated Notes may continue to be convertible after September 30, 2014, if certain conditions are satisfied during future measurement periods. See Note 17 Earnings Per Common Share for an explanation of the effects of the Convertible Subordinated Notes on earnings per share. The Company has not entered into any derivatives transactions associated with these notes.

The $475.0 million TILC warehouse loan facility, established to finance railcars owned by TILC, had $132.0 million outstanding with $343.0 million unused, of which $251.4 million was available as of June 30, 2014 based on the amount of warehouse-eligible, unpledged equipment. The warehouse loan is a non-recourse obligation secured by a portfolio of railcars and operating leases, certain cash reserves, and other assets acquired and owned by the warehouse loan facility. The principal and interest of this indebtedness are paid from the cash flows of the underlying leases. Advances under the facility bear interest at a defined index rate plus a margin, for an all-in interest rate of 1.92% at June 30, 2014. In June 2013, the warehouse loan facility was renewed and extended through June 2015. Amounts outstanding at maturity, absent renewal, will be payable in three installments in December 2015, June 2016, and December 2016.

In May 2014, TRIP Master Funding issued $335.7 million in aggregate principal amount of Series 2014-1 Secured Railcar Equipment Notes pursuant to the Master Indenture between TRIP Master Funding and Wilmington Trust Company, as indenture trustee, with a final maturity date of April 2044. The TRIP Master Funding Series 2014-1 Secured Railcar Equipment Notes consist of two classes with the Class A-1 notes bearing interest at 2.86% and the Class A-2 notes bearing interest at 4.09%. The TRIP Master Funding Secured Railcar Equipment Notes are non-recourse to Trinity, TILC, TRIP Holdings, and the other equity investors in TRIP Holdings and are secured by TRIP Master Funding's portfolio of railcars and operating leases thereon, its cash reserves, and all other assets owned by TRIP Master Funding. As of June 30, 2014, there were $114.3 million and $220.7 million of Class A-1 and Class A-2 notes outstanding, respectively.

Terms and conditions of other debt, including recourse and non-recourse provisions, are described in Note 11 of the December 31, 2013 Consolidated Financial Statements filed on Form 10-K.

The remaining principal payments under existing debt agreements as of June 30, 2014 are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter
	(in millions)
Recourse:
Corporate	$	0.2	$	0.2	$	0.2	$	0.3	$	—	$	450.0
Leasing – capital lease obligations (Note 6)	1.6		3.2		3.5		3.7		28.6		—
Non-recourse – leasing (Note 6):
2006 secured railcar equipment notes	8.7		18.6		21.9		24.0		25.4		133.9
Promissory notes	10.6		21.7		349.7		—		—		—
2009 secured railcar equipment notes	5.0		9.6		6.5		6.3		6.5		160.2
2010 secured railcar equipment notes	7.2		15.3		15.0		13.7		10.0		258.9
TILC warehouse facility	2.3		4.3		3.9		—		—		—
TRL 2012 secured railcar equipment notes - RIV 2013	12.3		23.5		22.6		23.1		23.4		381.7
TRIP Master Funding secured railcar equipment notes	24.6		46.3		40.1		29.4		42.1		888.2
Facility termination payments - TILC warehouse facility	—		40.5		81.0		—		—		—
Total principal payments	$	72.5	$	183.2	$	544.4	$	100.5	$	136.0	$	2,272.9

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Stock-Based Compensation

6 Months Ended

Jun. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

Stock-Based Compensation

Stock-based compensation totaled approximately$12.6 million and $23.5 million for thethree and six months endedJune 30, 2014, respectively. Stock-based compensation totaled approximately $9.9 million and $18.9 million for the three and six months endedJune 30, 2013, respectively.

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Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Financial Information from continuing operations for segments
Total revenues	$ 1,485.3	$ 1,066.1	$ 2,945.8	$ 1,999.0
Operating Profit (Loss)	302.0	183.4	693.3	342.9
Rail Group
Financial Information from continuing operations for segments
Total revenues	760.7	474.1	1,361.8	897.7
Operating Profit (Loss)	176.0	107.9	343.5	210.8
Construction Products Group
Financial Information from continuing operations for segments
Total revenues	149.9	149.3	262.1	247.3
Operating Profit (Loss)	22.4	19.0	44.1	26.7
Inland Barge Group
Financial Information from continuing operations for segments
Total revenues	165.4	150.0	302.3	297.4
Operating Profit (Loss)	30.9	20.9	57.6	45.2
Energy Equipment Group
Financial Information from continuing operations for segments
Total revenues	183.2	121.4	350.2	249.9
Operating Profit (Loss)	28.3	14.3	51.2	29.2
Railcar Leasing and Management Services Group
Financial Information from continuing operations for segments
Total revenues	225.4	169.6	667.6	304.0
Operating Profit (Loss)	102.4	75.7	332.7	137.3
All Other
Financial Information from continuing operations for segments
Total revenues	0.7	1.7	1.8	2.7
Operating Profit (Loss)	(2.6)	(3.8)	(8.0)	(6.4)
Segment Totals before Eliminations and Corporate Expenses
Financial Information from continuing operations for segments
Total revenues	1,485.3	1,066.1	2,945.8	1,999.0
Operating Profit (Loss)	357.4	234.0	821.1	442.8
Corporate
Financial Information from continuing operations for segments
Total revenues	0	0	0	0
Operating Profit (Loss)	(29.7)	(15.5)	(52.8)	(32.1)
Eliminations – Lease subsidiary
Financial Information from continuing operations for segments
Total revenues	0	0	0	0
Operating Profit (Loss)	(26.9)	(34.7)	(76.2)	(67.1)
Eliminations – Other
Financial Information from continuing operations for segments
Total revenues	0	0	0	0
Operating Profit (Loss)	1.2	(0.4)	1.2	(0.7)
Total
Financial Information from continuing operations for segments
Total revenues	1,485.3	1,066.1	2,945.8	1,999.0
Total | Rail Group
Financial Information from continuing operations for segments
Total revenues	895.6	668.0	1,753.0	1,293.5
Total | Construction Products Group
Financial Information from continuing operations for segments
Total revenues	151.7	154.5	264.8	258.3
Total | Inland Barge Group
Financial Information from continuing operations for segments
Total revenues	165.4	150.0	302.3	297.4
Total | Energy Equipment Group
Financial Information from continuing operations for segments
Total revenues	227.6	152.5	438.2	307.2
Total | Railcar Leasing and Management Services Group
Financial Information from continuing operations for segments
Total revenues	231.5	169.6	674.6	304.0
Operating Profit (Loss)	102.4	75.7	332.7	137.3
Total | All Other
Financial Information from continuing operations for segments
Total revenues	28.1	21.7	51.3	41.0
Total | Segment Totals before Eliminations and Corporate Expenses
Financial Information from continuing operations for segments
Total revenues	1,699.9	1,316.3	3,484.2	2,501.4
Total | Corporate
Financial Information from continuing operations for segments
Total revenues	0	0	0	0
Total | Eliminations – Lease subsidiary
Financial Information from continuing operations for segments
Total revenues	(128.6)	(189.5)	(377.7)	(387.5)
Total | Eliminations – Other
Financial Information from continuing operations for segments
Total revenues	(86.0)	(60.7)	(160.7)	(114.9)
Intersegment
Financial Information from continuing operations for segments
Total revenues	0	0	0	0
Intersegment | Rail Group
Financial Information from continuing operations for segments
Total revenues	134.9	193.9	391.2	395.8
Intersegment | Construction Products Group
Financial Information from continuing operations for segments
Total revenues	1.8	5.2	2.7	11.0
Intersegment | Inland Barge Group
Financial Information from continuing operations for segments
Total revenues	0	0	0	0
Intersegment | Energy Equipment Group
Financial Information from continuing operations for segments
Total revenues	44.4	31.1	88.0	57.3
Intersegment | Railcar Leasing and Management Services Group
Financial Information from continuing operations for segments
Total revenues	6.1	0	7.0	0
Intersegment | All Other
Financial Information from continuing operations for segments
Total revenues	27.4	20.0	49.5	38.3
Intersegment | Segment Totals before Eliminations and Corporate Expenses
Financial Information from continuing operations for segments
Total revenues	214.6	250.2	538.4	502.4
Intersegment | Corporate
Financial Information from continuing operations for segments
Total revenues	0	0	0	0
Intersegment | Eliminations – Lease subsidiary
Financial Information from continuing operations for segments
Total revenues	(128.6)	(189.5)	(377.7)	(387.5)
Intersegment | Eliminations – Other
Financial Information from continuing operations for segments
Total revenues	$ (86.0)	$ (60.7)	$ (160.7)	$ (114.9)

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Employee Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Components of net retirement cost

The following table summarizes the components of net retirement cost for the Company:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Expense Components
Service cost	$	0.1		$	0.2		$	0.2		$	0.5
Interest	5.0			4.6			10.0			9.3
Expected return on plan assets	(7.7		)	(6.7		)	(15.4		)	(13.3		)
Amortization of actuarial loss	0.3			1.3			0.6			2.5
Defined benefit expense	(2.3		)	(0.6		)	(4.6		)	(1.0		)
Profit sharing	5.2			3.3			8.9			6.4
Net expense	$	2.9		$	2.7		$	4.3		$	5.4

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Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Unrealized gains/(losses) arising during the period, tax expense/(benefit)	$ (0.1)	$ (0.1)	$ 0.3	$ 0.4
Reclassification adjustments for losses included in net income, tax benefit	1.9	2.0	3.9	4.8
Amortization of net actuarial losses, tax benefit	$ 0.1	$ 0.5	$ 0.2	$ 1.0

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Consolidated Statement of Stockholders' Equity (unaudited) (USD $) In Millions, except Share data, unless otherwise specified	Total		Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Trinity Stockholders' Equity	Noncontrolling Interest
Beginning balance at Dec. 31, 2013	$ 2,749.1		$ 81.7	$ 686.6	$ 1,870.0	$ (78.2)	$ (158.0)	$ 2,402.1	$ 347.0
Beginning balance, Shares at Dec. 31, 2013			81,700,000				(4,300,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	406.1				390.6			390.6	15.5
Other comprehensive income	7.1					5.8		5.8	1.3
Cash dividends on common stock	(27.2)				(27.2)			(27.2)
Restricted shares, net	(14.6)			(3.4)			(11.2)	(14.6)
Restricted shares, net, Shares							700,000
Shares repurchased	(12.5)						(12.5)	(12.5)
Shares repurchased, Shares							(200,000)
Stock options exercised	0.4			(0.2)			0.6	0.4
Stock options exercised, Shares							0
Excess tax benefits from stock-based compensation	23.7			23.7				23.7
Contributions from noncontrolling interest	49.6								49.6
Distributions to noncontrolling interest	(12.3)								(12.3)
Retirement of treasury stock	0		(3.7)	(176.6)			180.3
Retirement of treasury stock, Shares			(3,700,000)				3,700,000
Stock split	0		78.0	(78.0)
Stock split, Shares			78,000,000
Other	(0.8)		0.1	(1.0)		0.3	(0.2)	(0.8)
Other, Shares			100,000				0
Ending balance at Jun. 30, 2014	$ 3,168.6	[1]	$ 156.1	$ 451.1	$ 2,233.4	$ (72.1)	$ (1.0)	$ 2,767.5	$ 401.1
Ending balance, Shares at Jun. 30, 2014			156,100,000				(100,000)

[1] (unaudited)

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Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Designated as hedging instrument Expired hedges 2006 secured railcar equipment notes		Jun. 30, 2014 Designated as hedging instrument Expired hedges Promissory notes		Jun. 30, 2014 Designated as hedging instrument Expired hedges TRIP Holdings warehouse loan		Jun. 30, 2014 Designated as hedging instrument Open hedges Promissory notes		Jun. 30, 2014 Designated as hedging instrument Open hedges TRIP Master Funding secured railcar equipment notes		Jul. 31, 2011 Designated as hedging instrument Open hedges TRIP Master Funding secured railcar equipment notes
Interest rate hedges included in balance sheet
Notional Amount			$ 200.0		$ 370.0		$ 788.5		$ 401.5		$ 61.5		$ 94.1
Interest Rate			4.87%	[1]	5.34%	[1]	3.60%	[1]	4.13%	[1]	2.62%	[1]
Liability			0		0		0		14.2		2.3
AOCL – loss/ (income)	13.0	18.7	(1.5)		2.6		11.1		12.8		1.0
Noncontrolling Interest			$ 0		$ 0		$ 15.0		$ 0		$ 1.3

[1] Weighted average fixed interest rate

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Income Taxes (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Reconciliation between the statutory United States Federal income tax rate and the Company's effective income tax rate
Statutory rate	35.00%	35.00%	35.00%	35.00%
State taxes	0.90%	2.10%	0.90%	2.10%
Domestic production activities deduction	(2.20%)	(1.50%)	(2.20%)	(1.00%)
Noncontrolling interest in partially-owned subsidiaries	(1.10%)	(1.60%)	(1.20%)	(0.80%)
Tax assessments and settlements	0.00%	1.20%	0.00%	0.60%
Other, net	0.00%	(0.60%)	0.10%	(0.50%)
Effective rate	32.60%	34.60%	32.60%	35.40%

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Earnings Per Common Share

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Earnings Per Common Share

Earnings Per Common Share

Basic net income attributable to Trinity Industries, Inc. per common share is computed by dividing net income attributable to Trinity remaining after allocation to unvested restricted shares by the weighted average number of basic unrestricted common shares outstanding for the period. Except when the effect would be antidilutive, the calculation of diluted net income attributable to Trinity per common share includes 1) the net impact of unvested restricted shares and shares that could be issued under outstanding stock options and 2) the incremental shares calculated by dividing the value of the conversion obligation in excess of the Convertible Subordinated Notes' aggregate principal amount by the average price of the Company's common stock during the period. The effect of the Convertible Subordinated Notes was antidilutive for the three and six months endedJune 30, 2013. Total weighted average restricted shares and antidilutive stock options were 7.7 million shares and 7.9 million shares for the three and six months endedJune 30, 2014, respectively. Total weighted average restricted shares and antidilutive stock options were 7.1 million shares and 6.7 million shares for the three and six months endedJune 30, 2013, respectively.

The computation of basic and diluted net income attributable to Trinity Industries, Inc. follows.

	Three Months Ended June 30, 2014						Three Months Ended June 30, 2013
	Income (Loss)			Average Shares	EPS		Income (Loss)			Average Shares	EPS
	(in millions, except per share amounts)
Net income from continuing operations	$	173.3					$	89.2
Less: net income from continuing operations attributable to noncontrolling interest	8.9						4.2
Net income from continuing operations attributable to Trinity Industries, Inc.	164.4						85.0
Unvested restricted share participation	(5.5		)				(2.7		)
Net income from continuing operations attributable to Trinity Industries, Inc. – basic	158.9			151.0	$	1.05	82.3			154.0	$	0.53
Effect of dilutive securities:
Stock options	—			0.1			—			0.1
Convertible subordinated notes	0.2			6.3			—			—
Net income from continuing operations attributable to Trinity Industries, Inc. – diluted	$	159.1		157.4	$	1.01	$	82.3		154.1	$	0.53
Net income (loss) from discontinued operations, net of taxes	$	(0.2	)				$	(1.0	)
Unvested restricted share participation	—						—
Net income (loss) from discontinued operations, net of taxes – basic	(0.2		)	151.0	$	—	(1.0		)	154.0	$	(0.01	)
Effect of dilutive securities:
Stock options	—			0.1			—			0.1
Convertible subordinated notes	—			6.3			—			—
Net income (loss) from discontinued operations, net of taxes – diluted	$	(0.2	)	157.4	$	—	$	(1.0	)	154.1	$	(0.01	)

	Six Months Ended June 30, 2014						Six Months Ended June 30, 2013
	Income (Loss)			Average Shares	EPS		Income (Loss)			Average Shares	EPS
	(in millions, except per share amounts)
Net income from continuing operations	$	406.6					$	161.4
Less: net income from continuing operations attributable to noncontrolling interest	15.5						3.9
Net income from continuing operations attributable to Trinity Industries, Inc.	391.1						157.5
Unvested restricted share participation	(13.3		)				(5.0		)
Net income from continuing operations attributable to Trinity Industries, Inc. – basic	377.8			150.5	$	2.51	152.5			154.0	$	0.99
Effect of dilutive securities:
Stock options	—			0.1			—			0.2
Convertible subordinated notes	0.4			5.0			—			—
Net income from continuing operations attributable to Trinity Industries, Inc. – diluted	$	378.2		155.6	$	2.43	$	152.5		154.2	$	0.99
Net income (loss) from discontinued operations, net of taxes	$	(0.5	)				$	5.6
Unvested restricted share participation	—						(0.2		)
Net income (loss) from discontinued operations, net of taxes – basic	(0.5		)	150.5	$	—	5.4			154.0	$	0.04
Effect of dilutive securities:
Stock options	—			0.1			—			0.2
Convertible subordinated notes	—			5.0			—			—
Net income (loss) from discontinued operations, net of taxes – diluted	$	(0.5	)	155.6	$	—	$	5.4		154.2	$	0.04

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Accumulated Other Comprehensive Loss (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013
Changes in accumulated other comprehensive loss
Currency translation adjustments, Beginning Balance				$ (16.5)
Currency translation adjustments, Other comprehensive loss before reclassifications				0
Currency translation adjustments, Amounts reclassified from accumulated other comprehensive loss, net of tax benefit of $0.0				0
Currency translation adjustments, Amounts reclassified from accumulated other comprehensive loss, tax benefit				0
Currency translation adjustments, Less: noncontrolling interest				0
Currency translation adjustments, Other comprehensive income				0
Currency translation adjustments, Ending Balance	(16.5)			(16.5)
Unrealized loss on derivative financial instruments, Beginning Balance				(18.7)
Unrealized loss on derivative financial instruments, Other comprehensive loss before reclassifications	(0.6)		1.5	(1.8)		0.8
Unrealized loss on derivative financial instruments, Amounts reclassified from accumulated other comprehensive loss, net of tax benefit of $3.9	4.2		4.7	8.5		9.3
Unrealized loss on derivative financial instruments, Amounts reclassified from accumulated other comprehensive loss, tax benefit	1.9		2.0	3.9		4.8
Unrealized loss on derivative financial instruments, Less: noncontrolling interest				(1.3)
Unrealized loss on derivative financial instruments, Other comprehensive income				5.4
Unrealized loss on derivative financial instruments, Sale of interests in partially-owned leasing subsidiaries				0.3
Unrealized loss on derivative financial instruments, Ending Balance	(13.0)			(13.0)
Net actuarial gains/(losses) of defined benefit plans, Beginning Balance				(43.0)
Net actuarial gains/(losses) of defined benefit plans, Other comprehensive loss before reclassifications				0
Net actuarial gains/(losses) of defined benefit plans, Amounts reclassified from accumulated other comprehensive loss, net of tax benefit of $0.2	0.2		0.8	0.4		1.5
Net actuarial gains/(losses) of defined benefit plans, Amounts reclassified from accumulated other comprehensive loss, tax benefit	0.1		0.5	0.2		1.0
Net actuarial gains/(losses) of defined benefit plans, Less: noncontrolling interest				0
Net actuarial gains/(losses) of defined benefit plans, Other comprehensive income				0.4
Net actuarial gains/(losses) of defined benefit plans, Ending Balance	(42.6)			(42.6)
Accumulated Other Comprehensive Loss, Beginning Balance				(78.2)
Accumulated Other Comprehensive Loss, Other comprehensive loss before reclassifications				(1.8)
Accumulated Other Comprehensive Loss, Amounts reclassified from accumulated other comprehensive loss, net of tax benefit of $4.1				8.9
Accumulated Other Comprehensive Loss, Amounts reclassified from accumulated other comprehensive loss, tax benefit				4.1
Accumulated Other Comprehensive Loss, Less: noncontrolling interest				(1.3)
Accumulated Other Comprehensive Loss, Other comprehensive income				5.8
Accumulated Other Comprehensive Loss, Ending Balance	(72.1)	[1]		(72.1)	[1]
Cost of revenues
Accumualted Other Comprehensive Income [Line Items]
Before-tax reclassification of net actuarial gains/(losses) of defined benefit plans included in cost of revenues				$ 0.5

[1] (unaudited)

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Debt (Tables)

6 Months Ended

Jun. 30, 2014

Debt Disclosure [Abstract]

Components of debt

The following table summarizes the components of debt as of June 30, 2014 and December 31, 2013:

	June 30, 2014			December 31, 2013
	(in millions)
Corporate – Recourse:
Revolving credit facility	$	—		$	—
Convertible subordinated notes	450.0			450.0
Less: unamortized discount	(67.0		)	(74.1		)
	383.0			375.9
Other	0.9			0.9
	383.9			376.8
Leasing – Recourse:
Capital lease obligations	40.6			42.2
Total recourse debt	424.5			419.0
Leasing – Non-recourse:
Wholly-owned subsidiaries:
2006 secured railcar equipment notes	232.5			240.7
Promissory notes	382.0			396.1
2009 secured railcar equipment notes	194.1			199.0
2010 secured railcar equipment notes	320.1			326.9
TILC warehouse facility	132.0			152.0
	1,260.7			1,314.7
Partially-owned subsidiaries:
TRL 2012 secured railcar equipment notes - RIV 2013	486.6			499.3
TRIP Master Funding secured railcar equipment notes	1,070.7			756.8
	1,557.3			1,256.1
Total non–recourse debt	2,818.0			2,570.8
Total debt	$	3,242.5		$	2,989.8

Total interest expense recognized on the Convertible Subordinated Notes

Total interest expense recognized on the Convertible Subordinated Notes for the three and six months endedJune 30, 2014 and 2013 is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
	(in millions)
Coupon rate interest	$	4.3	$	4.3	$	8.7	$	8.7
Amortized debt discount	3.6		3.2		7.1		6.5
	$	7.9	$	7.5	$	15.8	$	15.2

Remaining principal payments under existing debt agreements

The remaining principal payments under existing debt agreements as of June 30, 2014 are as follows:

	Remaining six months of 2014		2015		2016		2017		2018		Thereafter
	(in millions)
Recourse:
Corporate	$	0.2	$	0.2	$	0.2	$	0.3	$	—	$	450.0
Leasing – capital lease obligations (Note 6)	1.6		3.2		3.5		3.7		28.6		—
Non-recourse – leasing (Note 6):
2006 secured railcar equipment notes	8.7		18.6		21.9		24.0		25.4		133.9
Promissory notes	10.6		21.7		349.7		—		—		—
2009 secured railcar equipment notes	5.0		9.6		6.5		6.3		6.5		160.2
2010 secured railcar equipment notes	7.2		15.3		15.0		13.7		10.0		258.9
TILC warehouse facility	2.3		4.3		3.9		—		—		—
TRL 2012 secured railcar equipment notes - RIV 2013	12.3		23.5		22.6		23.1		23.4		381.7
TRIP Master Funding secured railcar equipment notes	24.6		46.3		40.1		29.4		42.1		888.2
Facility termination payments - TILC warehouse facility	—		40.5		81.0		—		—		—
Total principal payments	$	72.5	$	183.2	$	544.4	$	100.5	$	136.0	$	2,272.9

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Warranties

6 Months Ended

Jun. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Warranties

Warranties

The changes in the accruals for warranties for the three and six months endedJune 30, 2014 and 2013 are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Beginning balance	$	15.2		$	12.6		$	14.7		$	12.5
Warranty costs incurred	(1.3		)	(1.5		)	(2.1		)	(3.0		)
Warranty originations and revisions	4.3			3.4			6.6			6.0
Warranty expirations	(1.1		)	(1.0		)	(2.1		)	(2.0		)
Ending balance	$	17.1		$	13.5		$	17.1		$	13.5