10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

x Quarterly report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended June 30, 2012

¨ Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Commission File Number 1-7615

KIRBY CORPORATION

(Exact name of registrant as specified in its charter)

Nevada	74-1884980
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
55 Waugh Drive, Suite 1000,
Houston, TX	77007
(Address of principal executive offices)	(Zip Code)

(713) 435-1000

(Registrant’s telephone number, including area code)

No Change

(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨

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

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition of “large accelerated filer” and “accelerated filer” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

The number of shares outstanding of the registrant’s Common Stock, $.10 par value per share, on August 3, 2012 was 55,867,000.

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements

KIRBY CORPORATION AND CONSOLIDATED SUBSIDIARIES

CONDENSED BALANCE SHEETS

(Unaudited)

ASSETS

	June 30, 2012			December 31, 2011
	($ in thousands)
Current assets:
Cash and cash equivalents	$	5,805		$	16,249
Accounts receivable:
Trade – less allowance for doubtful accounts		304,764			303,087
Other		27,890			32,060
Inventories – net		170,852			130,130
Prepaid expenses and other current assets		29,245			33,617
Deferred income taxes		15,989			14,186
Total current assets		554,545			529,329
Property and equipment		2,751,610			2,618,268
Less accumulated depreciation		(848,332	)		(796,095	)
Property and equipment – net		1,903,278			1,822,173
Goodwill – net		483,894			483,468
Other assets		124,568			125,441
Total assets	$	3,066,285		$	2,960,411

See accompanying notes to condensed financial statements.

2

KIRBY CORPORATION AND CONSOLIDATED SUBSIDIARIES

CONDENSED BALANCE SHEETS

(Unaudited)

LIABILITIES AND STOCKHOLDERS’ EQUITY

	June 30,  2012			December 31,  2011
	($ in thousands)
Current liabilities:
Current portion of long-term debt	$	111,627		$	39,005
Income taxes payable		4,363			4,124
Accounts payable		139,804			158,855
Accrued liabilities		107,872			117,262
Deferred revenues		29,663			39,554
Total current liabilities		393,329			358,800
Long-term debt – less current portion		687,905			763,000
Deferred income taxes		330,012			292,355
Other long-term liabilities		93,809			92,098
Total long-term liabilities		1,111,726			1,147,453
Contingencies and commitments		—			—
Equity:
Kirby stockholders’ equity:
Common stock, $.10 par value per share. Authorized 120,000,000 shares, issued 59,276,000 shares		5,928			5,928
Additional paid-in capital		360,882			357,294
Accumulated other comprehensive income – net		(53,508	)		(56,176	)
Retained earnings		1,328,136			1,229,641
Treasury stock – at cost, 3,409,000 at June 30, 2012 and 3,532,000 at December 31, 2011		(92,657	)		(94,162	)
Total Kirby stockholders’ equity		1,548,781			1,442,525
Noncontrolling interests		12,449			11,633
Total equity		1,561,230			1,454,158
Total liabilities and equity	$	3,066,285		$	2,960,411

See accompanying notes to condensed financial statements.

3

KIRBY CORPORATION AND CONSOLIDATED SUBSIDIARIES

CONDENSED STATEMENTS OF EARNINGS

(Unaudited)

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
	($ in thousands, except per share amounts)
Revenues:
Marine transportation	$	342,195		$	266,612		$	678,152		$	508,289
Diesel engine services		169,653			170,719			400,631			228,401
Total revenues		511,848			437,331			1,078,783			736,690
Costs and expenses:
Costs of sales and operating expenses		345,916			294,909			730,275			480,408
Selling, general and administrative		43,199			39,047			96,299			68,504
Taxes, other than on income		3,907			3,723			7,821			7,224
Depreciation and amortization		35,197			28,213			71,671			53,406
Loss (gain) on disposition of assets		(69	)		(40	)		(41	)		26
Total costs and expenses		428,150			365,852			906,025			609,568
Operating income		83,698			71,479			172,758			127,122
Other income		30			78			179			129
Interest expense		(5,901	)		(3,278	)		(11,741	)		(6,111	)
Earnings before taxes on income		77,827			68,279			161,196			121,140
Provision for taxes on income		(29,392	)		(26,050	)		(60,882	)		(46,011	)
Net earnings		48,435			42,229			100,314			75,129
Less: Net earnings attributable to noncontrolling interests		(884	)		(537	)		(1,819	)		(1,007	)
Net earnings attributable to Kirby	$	47,551		$	41,692		$	98,495		$	74,122
Net earnings per share attributable to Kirby common stockholders:
Basic	$	.85		$	.78		$	1.76		$	1.38
Diluted	$	.85		$	.77		$	1.76		$	1.38

See accompanying notes to condensed financial statements.

4

KIRBY CORPORATION AND CONSOLIDATED SUBSIDIARIES

CONDENSED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
	($ in thousands)
Net earnings	$	48,435		$	42,229		$	100,314		$	75,129
Other comprehensive income (loss), net of taxes:
Pension and postretirement benefits		(1,268	)		(122	)		(279	)		217
Foreign currency translation adjustments		152		─				447		─
Change in fair value of derivative instruments		1,420			631			2,500			1,508
Total comprehensive income (loss), net of taxes		304			509			2,668			1,725
Total comprehensive income, net of taxes		48,739			42,738			102,982			76,854
Net earnings attributable to noncontrolling interests		(884	)		(537	)		(1,819	)		(1,007	)
Comprehensive income attributable to Kirby	$	47,855		$	42,201		$	101,163		$	75,847

See accompanying notes to condensed financial statements.

5

KIRBY CORPORATION AND CONSOLIDATED SUBSIDIARIES

CONDENSED STATEMENTS OF CASH FLOWS

(Unaudited)

	Six months ended June 30,
	2012			2011
	($ in thousands)
Cash flows from operating activities:
Net earnings	$	100,314		$	75,129
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation and amortization		71,671			53,406
Provision for deferred income taxes		33,774			23,740
Amortization of unearned share-based compensation		4,489			4,490
Other		2,127			(69	)
Decrease in cash flows resulting from changes in operating assets and liabilities, net		(75,773	)		(38,871	)
Net cash provided by operating activities		136,602			117,825
Cash flows from investing activities:
Capital expenditures		(153,846	)		(97,973	)
Acquisitions of businesses and marine equipment		−			(330,402	)
Proceeds from disposition of assets		6,651			2,180
Net cash used in investing activities		(147,195	)		(426,195	)
Cash flows from financing activities:
Borrowings on bank credit facilities, net		10,530		119,700
Payments on long-term debt, net		(13,003	)		(60	)
Proceeds from exercise of stock options		1,250			349
Excess tax benefit from equity compensation plans		2,375			821
Other		(1,003	)		(708	)
Net cash provided by financing activities		149			120,102
Decrease in cash and cash equivalents		(10,444	)		(188,268	)
Cash and cash equivalents, beginning of year		16,249			195,600
Cash and cash equivalents, end of period	$	5,805		$	7,332
Supplemental disclosures of cash flow information:
Cash paid during the period:
Interest	$	10,619		$	5,869
Income taxes	$	19,174		$	7,068

See accompanying notes to condensed financial statements.

6

KIRBY CORPORATION AND CONSOLIDATED SUBSIDIARIES

NOTES TO CONDENSED FINANCIAL STATEMENTS

(Unaudited)

In the opinion of management, the accompanying unaudited condensed financial statements of Kirby Corporation and consolidated subsidiaries (the “Company”) contain all adjustments (consisting of only normal recurring accruals) necessary to present fairly the financial position as of June 30, 2012 and December 31, 2011, and the results of operations for the three months and six months ended June 30, 2012 and 2011.

(1) BASIS FOR PREPARATION OF THE CONDENSED FINANCIAL STATEMENTS

The condensed financial statements included herein have been prepared by the Company, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission. Although the Company believes that the disclosures are adequate to make the information presented not misleading, certain information and footnote disclosures, including significant accounting policies normally included in annual financial statements, have been condensed or omitted pursuant to such rules and regulations. It is suggested that these condensed financial statements be read in conjunction with the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

(2) ACCOUNTING STANDARDS ADOPTIONS

In June 2011, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2011-05, “Comprehensive Income (Topic 220): Presentation of Comprehensive Income.” ASU 2011-05 requires entities to present components of comprehensive income in either a single continuous statement of comprehensive income or two separate but consecutive statements that would include reclassification adjustments for items that are reclassified from other comprehensive income (“OCI”) to net income on the face of the financial statements. This ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011.  The adoption of ASU 2011-05 in the first quarter of 2012 did not have an impact on the Company’s consolidated financial statements except that the Company has applied these provisions to its presentation of consolidated financial statements.

In December 2011, the FASB issued ASU 2011-12, “Comprehensive Income (Topic 220): Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards Update No. 2011-05” (“ASU 2011-12”). The amendments to the Codification in ASU 2011-12 are effective at the same time as the amendments in ASU 2011-05, so that entities will not be required to comply with the presentation requirements in ASU 2011-05 that ASU 2011-12 is deferring. The amendments are being made to allow the FASB time to reevaluate whether to present on the face of the financial statements the effects of reclassifications out of accumulated OCI on the components of net income and OCI for all periods presented. ASU 2011-12 will be effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. The adoption of ASU 2011-12 did not have a material impact on the Company’s consolidated financial statements.

(3) ACQUISITIONS

On December 15, 2011, the Company completed the purchase of the coastal tank barge fleet of Seaboats, Inc. and affiliated companies (“Seaboats”) consisting of three 80,000 barrel coastal tank barges and tugboats for $42,745,000 in cash. The three coastal tank barges and tugboats currently operate along the United States East Coast and had an average age of five years.

On July 1, 2011, the Company completed the acquisition of K-Sea Transportation Partners L.P. (“K-Sea”), an operator of tank barges and tugboats participating in the coastal transportation primarily of refined petroleum products in the United States. The total value of the transaction was $603,427,000, excluding transaction fees, consisting of $227,617,000 of cash paid to K-Sea common and preferred unit holders and the general partner, $262,791,000 of cash to retire K-Sea’s outstanding debt, and $113,019,000 through the issuance of 1,939,234 shares of Company common stock valued at $58.28 per share, the Company’s closing share price on July 1, 2011.

On April 17, 2012, the Company changed the name of K-Sea to Kirby Offshore Marine, LLC (“Kirby Offshore Marine”) to more fully integrate the Company’s coastal operations with the Company’s inland marine transportation operations.  The acquired company is referred to in this report as either K-Sea or Kirby Offshore Marine, depending on the context.

On the acquisition date, Kirby Offshore Marine’s fleet, comprised of 57 coastal tank barges with a capacity of 3.8 million barrels and 63 tugboats, operated along the East Coast, West Coast and Gulf Coast of the United States, as well as in Alaska and Hawaii. Kirby Offshore Marine’s tank barge fleet, 54 of which were double hulled and had an average age of approximately nine years, is one of the youngest fleets in the coastal trade. Kirby Offshore Marine’s customers include major oil companies and refiners, many of which are current Company customers for inland tank barge services. Kirby Offshore Marine has operating facilities in New York, Philadelphia, Seattle and Honolulu.

7

On April 15, 2011, the Company purchased United Holdings LLC (“United”), a distributor and service provider of engine and transmission related products for the oil and gas services, power generation and on-highway transportation industries, and manufacturer of oilfield service equipment. The purchase price was $271,192,000 in cash, plus a three-year earnout provision for up to an additional $50,000,000 payable in 2014, dependent on achieving certain financial targets. United, headquartered in Oklahoma City, Oklahoma with 21 locations across seven states, distributes and services equipment and parts for Allison Transmission (“Allison”), MTU Detroit Diesel (“MTU”), Daimler Trucks NA (“Daimler”), and other diesel and natural gas engines. United also manufactures oilfield service equipment, including hydraulic fracturing equipment. United’s principal customers are oilfield service companies, oil and gas operators and producers, compression companies and on-highway transportation companies.

On February 24, 2011, the Company purchased 21 inland and offshore tank barges and 15 inland towboats and offshore tugboats from Enterprise Marine Services LLC (“Enterprise”) for $53,200,000 in cash. Enterprise provided transportation and delivery services for ship bunkers (engine fuel) to cruise ships, container ships and freighters primarily in the Miami, Port Everglades and Cape Canaveral, Florida area, the three largest cruise ship ports in the United States, as well as Tampa, Florida, Mobile, Alabama and Houston, Texas.

On February 9, 2011, the Company purchased from Kinder Morgan Petcoke, L.P. (“Kinder Morgan”) for $4,050,000 in cash a 51% interest in Kinder Morgan’s shifting operation and fleeting facility for dry cargo barges and tank barges on the Houston Ship Channel. Kinder Morgan retained the remaining 49% interest and the Company will manage the operation. In addition, the Company purchased a towboat from Kinder Morgan for $1,250,000 in cash.

The following unaudited pro forma results present consolidated financial information as if the United and K-Sea acquisitions had been completed as of January 1, 2011. The pro forma results do not include the acquisitions of Seaboats, Enterprise and Kinder Morgan described above as the effect of these acquisitions would not be materially different from the Company’s actual results.

The pro forma results include the amortization associated with the acquired intangible assets, interest expense associated with the debt used to fund a portion of the acquisitions, the impact of the additional shares issued in connection with the K-Sea acquisition, the impact of certain fair value adjustments such as depreciation adjustments related to adjustments to property and equipment and standardization of accounting policies. The pro forma results do not include any cost savings or potential synergies related to the acquisitions nor any integration costs. The pro forma results should not be considered indicative of the results of operations or financial position of the combined companies had the acquisitions been consummated as of January 1, 2011 and are not necessarily indicative of results of future operations of the Company.

The following table sets forth the Company’s pro forma revenues, net earnings attributable to Kirby, basic net earnings per share and fully diluted net earnings per share attributable to Kirby common stockholders (unaudited and in thousands, except per share amounts):

	Three months ended June 30,				Six months ended June 30,
	2012		2011 Pro forma		2012		2011 Pro forma
Revenues	$	511,848	$	528,025	$	1,078,783	$	992,177
Net earnings attributable to Kirby	$	47,551	$	35,367	$	98,495	$	69,583
Net earnings per share attributable to Kirby common stockholders:
Basic	$	.85	$	.64	$	1.76	$	1.25
Diluted	$	.85	$	.63	$	1.76	$	1.25

(4) INVENTORIES

The following table presents the details of inventories as of June 30, 2012 and December 31, 2011 (in thousands):

	June 30, 2012		December 31, 2011
Finished goods	$	144,188	$	111,931
Work in process		26,664		18,199
	$	170,852	$	130,130

8

(5) FAIR VALUE MEASUREMENTS

The accounting guidance for using fair value to measure certain assets and liabilities establishes a three tier value hierarchy, which prioritizes the inputs to valuation techniques used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets for identical assets or liabilities; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little, if any, market data exists, therefore requiring an entity to develop its own assumptions about the assumptions that market participants would use in pricing the asset or liability.

The following table summarizes the assets and liabilities measured at fair value on a recurring basis at June 30, 2012 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Assets:
Derivatives	$	—	$	—	$	—	$	—
Liabilities:
Derivatives	$	—	$	5,716	$	—	$	5,716
Contingent earnout liability		—		—		26,900		26,900
	$	—	$	5,716	$	26,900	$	32,616

The following table summarizes the assets and liabilities measured at fair value on a recurring basis at December 31, 2011 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Assets:
Derivatives	$	—	$	—	$	—	$	—
Liabilities:
Derivatives	$	—	$	9,597	$	—	$	9,597
Contingent earnout liability		—		—		22,600		22,600
	$	—	$	9,597	$	22,600	$	32,197

The fair value of the Company’s derivative instruments is more fully described below in Note 6, Derivative Instruments.

In connection with the acquisition of United on April 15, 2011, United’s former owners are eligible to receive a three-year earnout provision for up to an additional $50,000,000 payable in 2014, dependent on achieving certain financial targets. The fair value of the contingent earnout liability recorded at the acquisition date was $16,300,000. The fair value of the earnout is based on a valuation of the estimated fair value of the liability after probability weighting and discounting various potential payments. The increase in the fair value of the earnout liability of $100,000 for the three months ended June 30, 2012 and $4,300,000 for the six months ended June 30, 2012 was charged to selling, general and administrative expense. As of June 30, 2012, the Company had recorded an earnout liability of $26,900,000.

Cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities have carrying values that approximate fair value due to the short-term maturity of these financial instruments. The Company is of the opinion that amounts included in the consolidated financial statements for outstanding debt materially represent the fair value of such debt due to their variable interest rates.

9

Certain assets are measured at fair value on a nonrecurring basis and therefore are not included in the table above. These assets are adjusted to fair value when there is evidence of impairment. During the six months ended June 30, 2012, there was no indication that the Company’s long-lived assets were impaired, and accordingly, measurement at fair value was not required.

(6) DERIVATIVE INSTRUMENTS

The Company recognizes all derivative instruments at fair value in the balance sheet as either assets or liabilities. The accounting for changes in the fair value of a derivative instrument depends on the intended use of the derivative and the resulting designation, which is established at the inception date of a derivative. For derivative instruments designated as cash flow hedges, changes in fair value, to the extent the hedge is effective, are recognized in OCI until the hedged item is recognized in earnings. Hedge effectiveness is measured at least quarterly based on the cumulative difference between the fair value of the derivative contract and the hedged item over time. Any change in fair value resulting from ineffectiveness is recognized immediately in earnings.

Interest Rate Risk Management

From time to time, the Company has utilized and expects to continue to utilize derivative financial instruments with respect to a portion of its interest rate risks to achieve a more predictable cash flow by reducing its exposure to interest rate fluctuations. These transactions generally are interest rate swap agreements and are entered into with large multinational banks. Derivative financial instruments related to the Company’s interest rate risks are intended to reduce the Company’s exposure to increases in the benchmark interest rates underlying the Company’s floating rate senior notes, variable rate term loan and variable rate bank revolving credit facility.

From time to time, the Company hedges its exposure to fluctuations in short-term interest rates under its variable rate bank revolving credit facility and floating rate senior notes by entering into interest rate swap agreements. The interest rate swap agreements are designated as cash flow hedges, therefore, the changes in fair value, to the extent the swap agreements are effective, are recognized in OCI until the hedged interest expense is recognized in earnings. The current swap agreements effectively convert the Company’s interest rate obligation on the Company’s variable rate senior notes from quarterly floating rate payments based on the London Interbank Offered Rate (“LIBOR”) to quarterly fixed rate payments. As of June 30, 2012, the Company had a total notional amount of $200,000,000 of interest rate swaps designated as cash flow hedges for its variable rate senior notes as follows (dollars in thousands):

Notional Amount		Effective date	Termination date	Fixed  pay rate		Receive rate
$	100,000	March 2006	February 2013		5.45%	Three-month LIBOR
$	50,000	November 2008	February 2013		3.50%	Three-month LIBOR
$	50,000	May 2009	February 2013		3.795%	Three-month LIBOR

Foreign Currency Risk Management

From time to time, the Company has utilized and expects to continue to utilize derivative financial instruments with respect to its forecasted foreign currency transactions to attempt to reduce the risk of its exposure to foreign currency rate fluctuations in its transactions denominated in foreign currency. These transactions, which relate to foreign currency obligations for the purchase of equipment from foreign suppliers or foreign currency receipts from foreign customers, generally are forward contracts or purchased call options and are entered into with large multinational banks.

As of June 30, 2012, the Company had forward contracts with notional amounts aggregating $3,096,000 to hedge its exposure to foreign currency rate fluctuations in expected foreign currency transactions. These contracts expire on various dates beginning in the third quarter of 2012 and ending in the first quarter of 2014. These forward contracts are designated as cash flow hedges, therefore, the changes in fair value, to the extent the forward contracts are effective, are recognized in OCI until the forward contracts expire and are recognized in cost of sales and operating expenses.

10

Fair Value of Derivative Instruments

The following table sets forth the fair value of the Company’s derivative instruments recorded as liabilities located on the consolidated balance sheet at June 30, 2012 and December 31, 2011 (in thousands):

Liability Derivatives	Balance Sheet Location	June 30, 2012		December 31, 2011
Derivatives designated as hedging instruments under ASC 815:
Foreign currency contracts	Other accrued liabilities	$	118	$	363
Foreign currency contracts	Other long-term liabilities		19		32
Interest rate contracts	Other accrued liabilities		5,579	─
Interest rate contracts	Other long-term liabilities	─			9,202
Total derivatives designated as hedging instruments under ASC 815		$	5,716	$	9,597
Total liability derivatives		$	5,716	$	9,597

Fair value amounts were derived as of June 30, 2012 and December 31, 2011 utilizing fair value models of the Company and its counterparties on the Company’s portfolio of derivative instruments. These fair value models use the income approach that relies on inputs such as yield curves, currency exchange rates and forward prices. The fair value of the Company’s derivative instruments is described above in Note 5, Fair Value Measurements.

Cash Flow Hedges

For derivative instruments that are designated and qualify as cash flow hedges, the effective portion of the gain or loss on the derivative is reported as a component of OCI and reclassified into earnings in the same period or periods during which the hedged transaction affects earnings. Gains and losses on the derivative representing either hedge ineffectiveness or hedge components excluded from the assessment of effectiveness are recognized in current earnings. Any ineffectiveness related to the Company’s hedges was not material for any of the periods presented.

The following table sets forth the location and amount of gains and losses on the Company’s derivative instruments in the consolidated statements of earnings for the three months and six months ended June 30, 2012 and 2011 (in thousands):

		Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)				Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
	Location of Gain (Loss) Reclassified from	Three months ended				Three months ended
Derivatives in ASC 815 Cash	Accumulated OCI into Income	June 30,				June 30,
Flow Hedging Relationships:	(Effective Portion)	2012		2011		2012			2011
Interest rate contracts	Interest expense	$	2,030	$	694	$	(2,056	)	$	(2,152	)
Foreign exchange contracts	Cost and sales of operating expenses		172		309		─			(43	)
Total		$	2,202	$	1,003	$	(2,056	)	$	(2,195	)

		Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)					Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
	Location of Gain (Loss) Reclassified from	Six months ended					Six months ended
Derivatives in ASC 815 Cash	Accumulated OCI into Income	June 30,					June 30,
Flow Hedging Relationships:	(Effective Portion)	2012		2011			2012			2011
Interest rate contracts	Interest expense	$	3,623	$	2,655		$	(4,100	)	$	(4,277	)
Foreign exchange contracts	Cost and sales of operating expenses		249		(551	)		(2	)		(43)
Total		$	3,872	$	2,104		$	(4,102	)	$	(4,320	)

11

The Company anticipates $3,626,000 of net losses on interest rate swap agreements included in accumulated OCI will be transferred into earnings over the next year based on current interest rates. Gains or losses on interest rate swap agreements offset increases or decreases in rates of the underlying debt, which results in a fixed rate for the underlying debt. The Company also expects $69,000 of net losses on foreign currency contracts included in accumulated OCI will be transferred into earnings over the next year based on current spot rates.

(7) STOCK AWARD PLANS

The Company has share-based compensation plans which are described below. The compensation cost that has been charged against earnings for the Company’s stock award plans and the income tax benefit recognized in the statement of earnings for stock awards for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2012		2011		2012		2011
Compensation cost	$	2,583	$	2,530	$	4,489	$	4,490
Income tax benefit	$	987	$	973	$	1,715	$	1,720

The Company has an employee stock award plan for selected officers and other key employees, which provides for the issuance of stock options, restricted stock and performance awards payable in cash or stock. The exercise price for each option equals the fair market value per share of the Company’s common stock on the date of grant. The terms of the options granted prior to January 25, 2010 are five years and vest ratably over three years. Options granted on or after January 25, 2010 have terms of seven years and vest ratably over three years. No performance awards payable in stock have been made under the plan.  At June 30, 2012, 2,905,582 shares were available for future grants under the employee plan and no outstanding stock options under the employee plan were issued with stock appreciation rights.

On February 15, 2012, the Board of Directors approved amendments to the employee plan, subject to stockholder approval, to (1) increase the number of shares that may be issued under the plan from 3,000,000 shares to 5,000,000 shares and (2) increase the maximum amount of cash that may be paid to any participant pursuant to any performance awards under the plan during any calendar year from $3,000,000 to $5,000,000.  The amendments were approved by the stockholders at the Annual Meeting of Stockholders held on April 24, 2012.

           The following is a summary of the stock option activity under the employee plan described above for the six months ended June 30, 2012:

	Outstanding Non-Qualified or Nonincentive Stock Options			Weighted Average Exercise Price
Outstanding at December 31, 2011		445,674		$	36.81
Granted		99,906		$	65.80
Exercised	─			$	─
Forfeited		(1,635	)	$	58.28
Outstanding at June 30, 2012		543,945		$	42.07

The following table summarizes information about the Company’s outstanding and exercisable stock options under the employee plan at June 30, 2012:

		Options Outstanding							Options Exercisable
Range of Exercise Prices		Number Outstanding	Weighted Average Remaining Contractual Life in Years		Weighted Average Exercise Price		Aggregate Intrinsic Value		Number Exercisable		Weighted Average Exercise Price		Aggregate Intrinsic Value
$	23.98 - $32.56	226,450		2.9	$	27.72				193,115	$	26.90
$	34.40 - $36.35	24,000		1.9	$	34.73				22,666	$	34.63
$	46.74 - $48.65	192,772		3.2	$	47.48				125,718	$	47.87
$	58.28 - $66.72	100,723		6.6	$	65.74				817	$	58.28
$	23.98 - $66.72	543,945		3.7	$	42.07	$	2,724,000		342,316	$	35.19	$	4,070,000

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The following is a summary of the restricted stock award activity under the employee plan described above for the six months ended June 30, 2012:

	Unvested Restricted Stock Award Shares			Weighted Average Grant Date Fair Value Per Share
Nonvested balance at December 31, 2011		475,632		$	36.43
Granted		120,913		$	67.88
Vested		(162,226	)	$	34.96
Forfeited		(7,192	)	$	57.02
Nonvested balance at June 30, 2012		427,127		$	45.55

The Company has a director stock award plan for nonemployee directors of the Company which provides for the issuance of stock options and restricted stock.  The director plan provides for the automatic grants of stock options and restricted stock to nonemployee directors on the date of first election as a director and after each annual meeting of stockholders. In addition, the director plan allows for the issuance of stock options or restricted stock in lieu of cash for all or part of the annual director fee at the option of the director. The exercise prices for all options granted under the plan are equal to the fair market value per share of the Company’s common stock on the date of grant. The terms of the options are ten years. The options granted to a director when first elected vest immediately. The options granted and restricted stock issued after each annual meeting of stockholders vest six months after the date of grant. Options granted and restricted stock issued in lieu of cash director fees vest in equal quarterly increments during the year to which they relate. At June 30, 2012, 685,535 shares were available for future grants under the director plan. The director stock award plan is intended as an incentive to attract and retain qualified and competent independent directors.

On February 15, 2012, the Board of Directors approved amendments to the director plan, subject to stockholder approval, to increase the number of shares that may be issued under the plan from 1,000,000 shares to 1,500,000 shares.  The amendment was approved by the stockholders at the Annual Meeting of Stockholders held on April 24, 2012.

The following is a summary of the stock option activity under the director plan described above for the six months ended June 30, 2012:

	Outstanding Non-Qualified or Nonincentive Stock Options			Weighted Average Exercise Price
Outstanding at December 31, 2011		353,625		$	39.05
Granted		56,306		$	62.48
Exercised		(43,993	)	$	28.41
Outstanding at June 30, 2012		365,938		$	43.94

The following table summarizes information about the Company’s outstanding and exercisable stock options under the director plan at June 30, 2012:

		Options Outstanding							Options Exercisable
Range of Exercise Prices		Number Outstanding	Weighted Average Remaining Contractual Life in Years		Weighted Average Exercise Price		Aggregate Intrinsic Value		Number Exercisable		Weighted Average Exercise Price		Aggregate Intrinsic Value
$	12.69 - $17.88	30,000		1.4	$	15.81				30,000	$	15.81
$	20.28 - $29.60	48,000		5.3	$	26.10				48,000	$	26.10
$	35.17 - $36.82	74,036		4.2	$	35.86				74,036	$	35.86
$	41.24 - $62.48	213,902		8.2	$	54.68				158,172	$	51.93
$	12.69 - $62.48	365,938		6.4	$	43.94	$	1,150,000		310,208	$	40.61	$	2,008,000

13

The following is a summary of the restricted stock award activity under the director plan described above for the six months ended June 30, 2012:

	Unvested Restricted Stock Award Shares			Weighted Average Grant Date Fair Value Per Share
Nonvested balance at December 31, 2011		1,748		$	58.07
Granted		10,383		$	62.99
Vested		(2,093	)	$	58.88
Nonvested balance at June 30, 2012		10,038		$	62.99

The total intrinsic value of all stock options exercised under all of the Company’s plans was $1,612,000 and $1,477,000 for the six months ended June 30, 2012 and 2011, respectively. The actual tax benefit realized for tax deductions from stock option exercises was $616,000 and $566,000 for the six months ended June 30, 2012 and 2011, respectively.

The total intrinsic value of all the restricted stock vestings under all of the Company’s plans was $11,004,000 and $7,199,000 for the six months ended June 30, 2012 and 2011, respectively. The actual tax benefit realized for tax deductions from restricted stock vestings was $4,204,000 and $2,757,000 for the six months ended June 30, 2012 and 2011, respectively.

As of June 30, 2012, there was $3,856,000 of unrecognized compensation cost related to nonvested stock options and $17,270,000 related to restricted stock. The stock options are expected to be recognized over a weighted average period of approximately 1.5 years and restricted stock over approximately 3.1 years. The total fair value of options vested was $1,326,000 and $1,438,000 during the six months ended June 30, 2012 and 2011, respectively. The fair value of the restricted stock vested was $11,004,000 and $7,199,000 for the six months ended June 30, 2012 and 2011, respectively.

The weighted average per share fair value of stock options granted during the six months ended June 30, 2012 and 2011 was $22.15 and $18.81, respectively. The fair value of the stock options granted during the six months ended June 30, 2012 and 2011 was $3,461,000 and $3,031,000, respectively. The Company currently uses treasury stock shares for restricted stock grants and stock option exercises. The fair value of each stock option was determined using the Black-Scholes option pricing model. The key input variables used in valuing the options during the six months ended June 30, 2012 and 2011 were as follows:

	Six months ended June 30,
	2012	2011
Dividend yield	None	None
Average risk-free interest rate	1.1%	2.4%
Stock price volatility	33%	33%
Estimated option term	Six years or seven years	Six years or seven years

(8) OTHER COMPREHENSIVE INCOME

The Company’s changes in other comprehensive income for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Three months ended June 30,
	2012								2011
	Gross Amount			Income Tax (Provision) Benefit			Net Amount		Gross Amount		Income Tax (Provision) Benefit			Net Amount
Pension and postretirement benefits	$	(2,057	)	$	789		$	(1,268)	$	(202)	$	80		$	(122)
Foreign currency translation adjustments		152			—			152		—		—			—
Change in fair value of derivative instruments		2,202			(782	)		1,420		1,004		(373	)		631
Total	$	297		$	7		$	304	$	802	$	(293	)	$	509

	Six months ended June 30,
	2012							2011
	Gross Amount		Income Tax (Provision) Benefit			Net Amount		Gross Amount		Income Tax (Provision) Benefit			Net Amount
Pension and postretirement benefits	$	(456)	$	177		$	(279)	$	347	$	(130	)	$	217
Foreign currency translation adjustments		447		—			447		—		—			—
Change in fair value of derivative instruments		3,872		(1,372	)		2,500		2,282		(774	)		1,508
Total	$	3,863	$	(1,195	)	$	2,668	$	2,629	$	(904	)	$	1,725

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(9) SEGMENT DATA

The Company’s operations are classified into two reportable business segments as follows:

Marine Transportation — Marine transportation principally by United States flag vessels of liquid cargoes throughout the United States inland waterway system, along all three United States coasts, Alaska and Hawaii and, to a lesser extent, United States coastal transportation of dry-bulk cargoes. The principal products transported include petrochemicals, black oil products, refined petroleum products and agricultural chemicals.

Diesel Engine Services — Provides after-market services for medium-speed and high-speed diesel engines, reduction gears and ancillary products for marine and power generation applications, and distributes and services high-speed diesel engines, transmissions, pumps and compression products, and manufactures and remanufactures oilfield service equipment, including hydraulic fracturing equipment, for the land-based pressure pumping and oilfield service markets.

The following table sets forth the Company’s revenues and profit or loss by reportable segment for the three months and six months ended June 30, 2012 and 2011 and total assets as of June 30, 2012 and December 31, 2011 (in thousands):

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
Revenues:
Marine transportation	$	342,195		$	266,612		$	678,152		$	508,289
Diesel engine services		169,653			170,719			400,631			228,401
	$	511,848		$	437,331		$	1,078,783		$	736,690
Segment profit (loss):
Marine transportation	$	71,730		$	58,361		$	140,220		$	111,059
Diesel engine services		15,118			17,611			38,672			24,217
Other		(9,021	)		(7,693	)		(17,696	)		(14,136	)
	$	77,827		$	68,279		$	161,196		$	121,140

	June 30, 2012		December 31, 2011
Total assets:
Marine transportation	$	2,383,484	$	2,307,821
Diesel engine services		648,597		608,886
Other		34,204		43,704
	$	3,066,285	$	2,960,411

15

The following table presents the details of “Other” segment loss for the three months and six months ended June 30, 2012 and 2011 (in thousands):

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
General corporate expenses	$	(3,219	)	$	(4,533	)	$	(6,175	)	$	(8,128	)
Gain (loss) on disposition of assets		69			40			41			(26	)
Interest expense		(5,901	)		(3,278	)		(11,741	)		(6,111	)
Other income		30			78			179			129
	$	(9,021	)	$	(7,693	)	$	(17,696	)	$	(14,136	)

The following table presents the details of “Other” total assets as of June 30, 2012 and December 31, 2011 (in thousands):

	June 30, 2012		December 31, 2011
General corporate assets	$	30,340	$	40,022
Investment in affiliates		3,864		3,682
	$	34,204	$	43,704

(10) TAXES ON INCOME

Earnings before taxes on income and details of the provision for taxes on income for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2012		2011		2012		2011
Earnings before taxes on income – United States	$	77,827	$	68,279	$	161,196	$	121,140
Provision for taxes on income:
Federal:
Current	$	10,416	$	12,982	$	20,096	$	16,985
Deferred		15,591		9,930		33,774		23,740
State and local		3,385		3,138		7,012		5,286
	$	29,392	$	26,050	$	60,882	$	46,011

(11) EARNINGS PER SHARE

The following table presents the components of basic and diluted earnings per share of common stock for the three months and six months ended June 30, 2012 and 2011 (in thousands, except per share amounts):

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
Net earnings attributable to Kirby	$	47,551		$	41,692		$	98,495		$	74,122
Undistributed earnings allocated to restricted shares		(375	)		(370	)		(769	)		(656	)
Income available to Kirby common stockholders - basic		47,176			41,322			97,726			73,466
Undistributed earnings allocated to restricted shares		375			370			769			656
Undistributed earnings reallocated to restricted shares		(374	)		(369	)		(765	)		(653	)
Income available to Kirby common stockholders - diluted	$	47,177		$	41,323		$	97,730		$	73,469
Shares outstanding:
Weighted average common stock issued and outstanding		55,869			53,685			55,839			53,662
Weighted average unvested restricted stock		(441	)		(476	)		(436	)		(474	)
Weighted average common stock outstanding - basic		55,428			53,209			53,403			53,188
Dilutive effect of stock options		212			218			235			210
Weighted average common stock outstanding - diluted		55,640			53,427			55,638			53,398
Net earnings per share attributable to Kirby common stockholders:
Basic	$	.85		$	.78		$	1.76		$	1.38
Diluted	$	.85		$	.77		$	1.76		$	1.38

16

Certain outstanding options to purchase approximately 157,000 and 151,000 shares of common stock were excluded in the computation of diluted earnings per share as of June 30, 2012 and 2011, respectively, as such stock options would have been antidilutive.

(12) RETIREMENT PLANS

The Company sponsors a defined benefit plan for its inland vessel personnel and shore based tankermen. The plan benefits are based on an employee’s years of service and compensation. The plan assets consist primarily of equity and fixed income securities.

The Company’s pension plan funding strategy has historically been to contribute an amount equal to the greater of the minimum required contribution under ERISA or the amount necessary to fully fund the plan on an accumulated benefit obligation (“ABO”) basis at the end of the fiscal year. The ABO is based on a variety of demographic and economic assumptions, and the pension plan assets’ returns are subject to various risks, including market and interest rate risk, making an accurate prediction of the pension plan contribution difficult. Based on current pension plan assets and market conditions, the Company expects to contribute between $10,000,000 and $20,000,000 to its pension plan prior to December 31, 2012 to fund its 2012 pension plan obligations. As of June 30, 2012, no 2012 year contributions have been made.

The Company sponsors an unfunded defined benefit health care plan that provides limited postretirement medical benefits to employees who met minimum age and service requirements, and to eligible dependents. The plan limits cost increases in the Company’s contribution to 4% per year. The plan is contributory, with retiree contributions adjusted annually. The plan eliminated coverage for future retirees as of December 31, 2011. The Company also has an unfunded defined benefit supplemental executive retirement plan (“SERP”) that was assumed in an acquisition in 1999. That plan ceased to accrue additional benefits effective January 1, 2000.

17

The components of net periodic benefit cost for the Company’s defined benefit plans for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Pension Benefits
	Pension Plan						SERP
	Three months ended June 30,						Three months ended June 30,
	2012			2011			2012		2011
Components of net periodic benefit cost:
Service cost	$	2,539		$	1,829		$	—	$	—
Interest cost		2,670			2,432			19		20
Expected return on plan assets		(3,218	)		(2,824	)		—		—
Amortization:
Actuarial loss		1,946			736			3		2
Prior service credit		—			(9	)		—		—
Net periodic benefit cost	$	3,937		$	2,164		$	22	$	22

	Pension Benefits
	Pension Plan						SERP
	Six months ended June 30,						Six months ended June 30,
	2012			2011			2012		2011
Components of net periodic benefit cost:
Service cost	$	5,105		$	3,654		$	—	$	—
Interest cost		5,254			4,849			37		40
Expected return on plan assets		(6,438	)		(5,645	)		—		—
Amortization:
Actuarial loss		3,698			1,430			7		4
Prior service credit		—			(19	)		—		—
Net periodic benefit cost	$	7,619		$	4,269		$	44	$	44

The components of net periodic benefit cost for the Company’s postretirement benefit plan for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Other Postretirement Benefits Postretirement Welfare Plan						Other Postretirement Benefits Postretirement Welfare Plan
	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
Components of net periodic benefit cost:
Service cost	$	—		$	—		$	—		$	—
Interest cost		34			50			67			86
Amortization:
Actuarial gain		(156	)		(168	)		(310	)		(311	)
Prior service cost		—			11			—			21
Net periodic benefit cost	$	(122	)	$	(107	)	$	(243	)	$	(204	)

(13) CONTINGENCIES

In June 2011, the Company as well as three other companies received correspondence from United States Environmental Protection Agency (“EPA”) concerning ongoing cleanup and restoration activities under the Comprehensive Environmental Response, Compensation and Liability Act (“CERCLA”) with respect to a Superfund site, the Gulfco Marine Maintenance Site (“Gulfco”), located in Freeport, Texas. In prior years, various subsidiaries of the Company utilized a successor to Gulfco to perform tank barge cleaning services, sand blasting and repair on certain Company vessels. The EPA continues to investigate activities at the site to assess additional Potentially Responsible Parties (“PRPs”). Since 2005, four named PRPs have participated in the investigation, cleanup and restoration of the site under an administrative order from EPA. Information received to date indicates that approximately $3,500,000 has been incurred in connection with the cleanup effort in addition to EPA’s oversight costs of approximately $1,800,000. To date, neither the EPA nor the named PRPs have performed an allocation of potential liability in connection with the site nor have they provided requested supporting documentation for costs and expenses related to the site. The Company is investigating its activities at the site in order to assess what, if any, liability it has in connection with the site.

18

In 2009, the Company was named a PRP in addition to a group of approximately 250 named PRPs under CERCLA with respect to a Superfund site, the Portland Harbor Superfund site (“Portland Harbor”) in Portland, Oregon. The site was declared a Superfund site in December 2000 as a result of historical heavily industrialized use due to manufacturing, shipbuilding, petroleum storage and distribution, metals salvaging, and electrical power generation activities which led to contamination of Portland Harbor, an urban and industrial reach of the lower Willamette River located immediately downstream of downtown Portland. The Company’s involvement arises from four spills at the site after it was declared a Superfund site, as a result of predecessor entities’ actions in the area. To date, there is no information suggesting the extent of the costs or damages to be claimed from the 250 noticed PRPs. Based on the nature of the involvement at the Portland Harbor site, the Company believes its potential contribution is de minimis; however, to date neither the EPA nor the named PRPs have performed an allocation of potential liability in connection with the site nor have they provided costs and expenses in connection with the site.

In 2000, the Company and a group of approximately 45 other companies were notified that they are PRPs under CERCLA with respect to a Superfund site, the Palmer Barge Line Superfund Site (“Palmer”), located in Port Arthur, Texas. In prior years, Palmer had provided tank barge cleaning services to various subsidiaries of the Company. The Company and three other PRPs entered into an agreement with the EPA to perform a remedial investigation and feasibility study and, subsequently, a limited remediation was performed and is now complete. During the 2007 third quarter, five new PRPs entered into an agreement with the EPA related to the Palmer site. In July 2008, the EPA sent a letter to approximately 30 PRPs for the Palmer site, including the Company, indicating that it intends to pursue recovery of $2,949,000 of costs it incurred in relation to the site. The Company and the other PRPs submitted recommended pro rata allocations of costs among all PRPs to the EPA and the U.S. Department of Justice (“DOJ”) in order to resolve the EPA’s past costs claim which is under consideration by the DOJ.

In 2000, the Company and approximately 50 other companies were notified that they are PRPs under CERCLA with respect to a Superfund site, the State Marine of Port Arthur Superfund Site (“State Marine”), located in Port Arthur, Texas. In the past, State Marine performed tank barge cleaning and services for various subsidiaries of the Company. In March 2010, the DOJ and EPA issued a letter to seven PRPs, which include the former owners/operator of the site and others, including the Company, indicating their intent to pursue reimbursement of its past costs of approximately $2,977,000 in connection with clean-up activities in relation to the site. The Company and the other PRPs are engaged in discussions with the DOJ to negotiate a resolution of this matter.

With respect to the above sites, the Company has recorded reserves, if applicable, for its estimated potential liability for its portion of the EPA’s past costs claim based on information developed to date including various factors such as the Company’s liability in proportion to other responsible parties and the extent to which such costs are recoverable from third parties.

On July 25, 2011, a subsidiary of the Company was named as a defendant in the U.S. District Court for the Southern District of Texas - Galveston Division, in a complaint styled Figgs. v. Kirby Inland Marine, et al., which alleges that the plaintiff individually as a vessel tankerman, and on behalf of other current and former similarly situated vessel tankermen employed with the Company, is entitled to overtime pay under the Fair Labor Standards Act. Plaintiffs assert that vessel tankermen are not seamen who are expressly exempt from overtime pay provisions under the law. The case was conditionally certified as a collective action on December 22, 2011 at which time the Court prescribed a notice period for current and former employees to voluntarily participate as plaintiffs. The notice period closed on February 27, 2012. Plaintiffs seek to maintain a collective action, compensatory damages in the form of back pay, attorneys’ fees, cost and liquidated damages. As this matter is in the initial stage of discovery as to the merits of the case, the Company is unable to assess the liability at this time. Accordingly, the Company is not able to estimate any amount of loss or range of loss.

On  January 30, 2012 in the U.S. District Court for the District of New Jersey in a case styled Rescue Mission of El Paso., Inc., et al. v. John J. Nicola, et al., the Company, its subsidiary, K-Sea, and current and former officers and directors of K-Sea were named defendants in a putative class action complaint asserting that during the period of January 30, 2009 to January 27, 2010, K-Sea allegedly failed to disclose certain facts regarding K-Sea’s operations and financial condition, and asserting violations of Sections 10(b)(5) and 20(a) of the Securities and Exchange Act of 1934 and Rule 10b-5 thereunder. Plaintiff seeks class certification, compensatory damages, attorneys’ fees and costs. The Plaintiffs filed its Amended Consolidated Complaint on behalf of the class on July 9, 2012.  The Company is preparing its response to the Complaint.  The Company believes that this suit is without merit and intends to vigorously defend itself in this matter based on the information available to the Company at this time. The Company does not expect the outcome of this matter to have a material adverse effect on its consolidated financial statements; however, there can be no assurance as to the ultimate outcome of this matter.

In addition, the Company is involved in various legal and other proceedings which are incidental to the conduct of its business, none of which in the opinion of management will have a material effect on the Company’s financial condition, results of operations or cash flows. Management believes that it has recorded adequate reserves and believes that it has adequate insurance coverage or has meritorious defenses for these other claims and contingencies.

The Company has issued guaranties or obtained standby letters of credit and performance bonds supporting performance by the Company and its subsidiaries of contractual or contingent legal obligations of the Company and its subsidiaries incurred in the ordinary course of business. The aggregate notional value of these instruments is $36,215,000 at June 30, 2012, including $10,177,000 in letters of credit and $26,038,000 in performance bonds. All of these instruments have an expiration date within three years. The Company does not believe demand for payment under these instruments is likely and expects no material cash outlays to occur in connection with these instruments.

19

Item 1A. Risk Factors

The Company continues to be subject to the risk factors previously disclosed in its “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

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

Statements contained in this Form 10-Q that are not historical facts, including, but not limited to, any projections contained herein, are forward-looking statements and involve a number of risks and uncertainties. Such statements can be identified by the use of forward-looking terminology such as “may,” “will,” “expect,” “anticipate,” “estimate” or “continue,” or the negative thereof or other variations thereon or comparable terminology. The actual results of the future events described in such forward-looking statements in this Form 10-Q could differ materially from those stated in such forward-looking statements. Among the factors that could cause actual results to differ materially are: adverse economic conditions, industry competition and other competitive factors, adverse weather conditions such as high water, low water, tropical storms, hurricanes, tsunamis, fog and ice, marine accidents, lock delays, fuel costs, interest rates, construction of new equipment by competitors, government and environmental laws and regulations, and the timing, magnitude and number of acquisitions made by the Company. For a more detailed discussion of factors that could cause actual results to differ from those presented in forward-looking statements, see Item 1A-Risk Factors found in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.  Forward-looking statements are based on currently available information and the Company assumes no obligation to update any such statements.

For purposes of the Management’s Discussion, all net earnings per share attributable to Kirby common stockholders are “diluted earnings per share.” The weighted average number of common shares applicable to diluted earnings per share for the three months and six months ended June 30, 2012 and 2011 were as follows:

	Three months ended June 30,				Six months ended June 30,
	2012		2011		2012		2011
	(in thousands)
Weighted average number of common stock - diluted		55,640		53,427		55,638		53,398

The increase in the weighted average number of common shares for both 2012 periods compared with the 2011 periods primarily reflected the issuance of 1,939,234 shares of Company common stock associated with the July 1, 2011 acquisition of K-Sea, the issuance of restricted stock and the exercise of stock options.

Overview

The Company is the nation’s largest domestic tank barge operator, transporting bulk liquid products throughout the Mississippi River System, on the Gulf Intracoastal Waterway, along all three United States coasts, and in Alaska and Hawaii. The Company transports petrochemicals, black oil products, refined petroleum products and agricultural chemicals by tank barge. As of June 30, 2012, the Company operated a fleet of 818 inland tank barges, including 40 leased barges, with 16.4 million barrels of capacity, and operated an average of 239 inland towboats during the 2012 second quarter, of which an average of 57 were chartered. The Company’s coastal fleet consisted of 57 tank barges, of which 12 are leased and three are single hull, with 3.9 million barrels of capacity, and 64 owned coastal tugboats. The Company also owns four offshore barge and tug units transporting dry-bulk commodities in United States coastal trade. Through its diesel engine services segment the Company provides after-market services for medium-speed and high-speed diesel engines, reduction gears and ancillary products for marine and power generation applications, and distributes and services high-speed diesel engines, transmissions, pumps and compression products, and manufactures and remanufactures oilfield service equipment, including hydraulic fracturing equipment, for the land-based pressure pumping and oilfield service markets.

For the 2012 second quarter, net earnings attributable to Kirby were $47,551,000, or $.85 per share, on revenues of $511,848,000, compared with 2011 second quarter net earnings attributable to Kirby of $41,692,000, or $.77 per share, on revenues of $437,331,000.   For the 2012 first six months, net earnings attributable to Kirby were $98,495,000, or $1.76 per share, on revenues of $1,078,783,000, compared with 2011 first six months net earnings attributable to Kirby of $74,122,000, or $1.38 per share, on revenues of $736,690,000.  The 2012 second quarter and first six months results included a $100,000 before taxes and a $4,300,000 before taxes, respectively, or $.05 per share, charge associated with increasing the fair value of the United contingent earnout liability.  Also, the 2012 second quarter and first six months operating results included a $499,000 before taxes, or $.01 per share, and a $2,920,000 before taxes, or $.03 per share, respectively, severance charge associated with the integration of Kirby Offshore Marine’s administrative functions into the Company.  The 2011 second quarter and first six months included an estimated $.07 per share negative impact from high water and flooding throughout the Mississippi River System and along the Gulf Intracoastal Waterway in the Morgan City area, net of certain revenue and cost recovery from contracts with terms that provide reimbursements for delays and increased costs.

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Marine Transportation

For the 2012 second quarter and first six months, 67% and 63%, respectively, of the Company’s revenue was generated by its marine transportation segment. The segment’s customers include many of the major petrochemical and refining companies that operate in the United States. Products transported include intermediate materials used to produce many of the end products used widely by businesses and consumers — plastics, fiber, paints, detergents, oil additives and paper, among others, as well as residual fuel oil, ship bunkers, asphalt, gasoline, diesel fuel, heating oil and agricultural chemicals. Consequently, the Company’s inland marine transportation business tends to mirror the volumes produced by the Company’s petrochemical and refining customer base, while the Company’s coastal marine transportation business tends to mirror the general performance of the United States economy. The 2012 second quarter and six months results include the operations of Kirby Offshore Marine, acquired on July 1, 2011, and described below.

           The Company’s marine transportation segment’s revenue for the 2012 second quarter and first six months increased 28% and 33%, respectively, compared with revenue for the 2011 second quarter and first six months.  The segment’s operating income for the 2012 second quarter and first six months increased 23% and 26%, respectively, when compared with operating income for the 2011 second quarter and first six months. The higher marine transportation revenues and operating income for the 2012 second quarter and first six months reflected the acquisition of Kirby Offshore Marine on July 1, 2011, as well as an improvement in inland tank barge demand and equipment utilization due to strong production volumes from United States petrochemical customers, for both domestic and foreign destinations, and from black oil products customers due to steady refinery production levels, the continued export of heavy fuel oil, demand for the transportation of crude oil from shale formations in South Texas and an increase in the movement of Canadian crude oil from the Midwest to the Gulf Coast. The inland operations did experience temporarily lower volumes from one major petrochemical customer due to scheduled and unscheduled plant maintenance issues, as well as low water levels on the Mississippi River System that led to light loading of tank barges from mid-May and throughout June 2012, and resulting lower revenues.

The Company’s inland petrochemical and black oil products fleets achieved tank barge utilization levels in the 90% to 95% range during the 2012 second quarter and first six months compared with a low 90% range during the 2011 first quarter and 90% to 95% range during the 2011 second quarter.  Diesel fuel prices for the 2012 second quarter and first six months increased 3% and 10%, respectively, compared with the 2011 second quarter and first six months, thereby positively impacting marine transportation revenue as fuel is escalated and de-escalated through revenue adjustment clauses in customers’ term contracts, or the customer pays for the fuel.

During the 2012 and 2011 second quarters and first six months, approximately 75% of the marine transportation’s inland revenues were under term contracts and 25% were spot contract revenues. Inland operation time charters, which insulate the Company from revenue fluctuations caused by weather and navigational delays and temporary market declines, represented 56% of the revenues under term contracts during the 2012 and 2011 second quarters and first six months. The 75% term contract and 25% spot contract mix provides the marine transportation’s inland operations with a predictable revenue stream. Inland operations term contract rates renewed in the 2012 first and second quarters increased in the 4% to 6% average range compared with term contract rate renewals in the first and second quarters of 2011. Spot contract rates, which include the cost of fuel, increased modestly during both the 2012 first and second quarters compared with the prior quarter.  Effective January 1, 2012, annual escalators for labor and the producer price index on a number of multi-year contracts resulted in rate increases on those contracts in the 2% range, excluding fuel.

The coastal operations, which primarily transport refined petroleum products, experienced typical market conditions during the 2012 second quarter with overall equipment utilization rates in the 75% range.  During the 2012 second quarter, the Pacific, Alaska and Hawaii markets reported higher utilization rates, while the New York Harbor market, and to a lesser extent the Atlantic market, saw continued softness and excess capacity, resulting in lower equipment utilization levels and competitive bidding for available movements.  During the 2012 first quarter the coastal operations saw typical seasonal declines in volumes moved with the closure or a significant reduction in demand in Alaska and on the Great Lakes, as well as poor operating efficiency caused by winter weather conditions.   In addition, the 2012 first quarter experienced unseasonably mild weather in the New York and Atlantic markets which impacted demand for distillate products, resulting in lower equipment utilization and rates.

During the 2012 second quarter and first six months, approximately 60% of the marine transportation coastal revenues were under term contracts and 40% were spot contract revenues.  Coastal time charters represented approximately 90% of the revenues under term contracts during the 2012 second quarter and first six months.  Coastal operations term contracts renewed in the 2012 second quarter and first six months were relatively stable compared with contract rate renewals in the 2011 second quarter and first six months, and spot contract rates during the 2012 second quarter and first six months were also relatively stable compared with the 2011 second quarter and first six months.

The marine transportation operating margin for the 2012 second quarter was 21.0% compared with 21.9% for the 2011 second quarter, and 20.7% for the 2012 first six months compared with 21.8% for the 2011 first six months, reflecting the impact of a low single digit operating margin for the coastal operations for the 2012 second quarter and first six months, including the 2012 second quarter severance charge of $499,000 and the 2012 first six months severance charge of $2,920,000 discussed above, partially offset by strong inland tank barge utilization levels and higher term and spot contract pricing.

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Diesel Engine Services

For the 2012 second quarter and first six months, 33% and 37%, respectively, of the Company’s revenue was generated by its diesel engine services segment, of which 24% and 34% was generated from manufacturing, 55% and 47% from overhauls and service, and 21% and 19% from direct parts sales, respectively. The results of the diesel engine services segment are largely influenced by the economic cycles of the marine and power generation markets and the land-based pressure pumping and oilfield services industries. The results include the operations of United, acquired on April 15, 2011.

The Company’s diesel engine services segment’s 2012 second quarter and first six months revenue decreased 1% and increased 75%, respectively, and operating income decreased 14% and increased 60%, respectively, when compared with the second quarter and first six months of 2011. The increase for the 2012 first six months reflected the acquisition of United on April 15, 2011.  During the 2012 second quarter, with the decline in natural gas prices and resulting decline in drilling for natural gas in North American shale formations, the land-based market weakened, resulting in lower equipment orders, including order cancellations or postponements for the manufacturing of fracturing units, as well as a decline in service of land-based diesel engines and sales of engines, transmissions and parts.  Partially offsetting the decline in manufacturing of fracturing units was the demand for fracturing units to be remanufactured.  During the 2012 second quarter and first six months, the marine market strengthened, benefiting from large overhaul projects for major domestic and international customers, as well as higher service work for oil service customers as the Gulf of Mexico oil and gas drilling activity increased during the 2012 first half.  The power generation market benefited from major generator set upgrades and parts sales for both domestic and international customers.  The 2012 second quarter and first six months included a charge to selling, general and administrative expense of $100,000 and $4,300,000, respectively, increasing the fair value of the contingent earnout liability associated with the April 2011 acquisition of United.

The diesel engine services segment’s operating margin for the 2012 second quarter was 8.9% compared with 10.3% for the 2011 second quarter.  For the 2012 first six months, the operating margin was 9.7% compared with 10.6% for the first six months of 2011.  The decline in the operating margin for both periods reflected the 2012 second quarter decline in the manufacturing of fracturing units and softer land-based diesel engines and transmissions sales and service, as well as lower margins on the remanufacturing of fracturing units during the startup phase.  Partially offsetting these declines were higher operating margins earned in the marine and power generations markets as service work increased.  The operating margin for the 2012 first six months reflected the $4,300,000 earnout charge noted above.

Cash Flow and Capital Expenditures

The Company continued to generate strong operating cash flow during the 2012 first six months, with net cash provided by operating activities of $136,602,000 compared with $117,825,000 of net cash provided by operating activities for the 2011 first six months. The 16% increase was primarily from higher net earnings attributable to Kirby, higher depreciation and amortization and a higher deferred tax provision in the 2012 first six months versus the 2011 first six months, partially offset by a $36,902,000 greater net decrease in cash flows from changes in operating assets and liabilities.  In addition, during the 2012 and 2011 first six months, the Company generated cash of $1,250,000 and $349,000, respectively, from the exercise of stock options and $6,651,000 and $2,180,000, respectively, from proceeds from the disposition of assets.

For the 2012 first six months, cash generated and borrowings under the Company’s revolving credit facility were used for capital expenditures totaling $153,846,000, including $69,583,000 for new inland tank barge and towboat construction, $32,323,000 for progress payments on the construction of two offshore dry-bulk barge and tugboat units scheduled for completion in the 2012 fourth quarter, and $51,940,000 primarily for upgrading the existing marine transportation inland and coastal fleets and diesel engine services facilities.  The Company’s debt-to-capitalization ratio decreased to 33.9% at June 30, 2012 from 35.5% at December 31, 2011, primarily due to the increase in total equity from net earnings attributable to Kirby for the 2012 first six months of $98,495,000, exercise of stock options, the amortization of unearned equity compensation and a reduction of $2,473,000 of debt outstanding.  As of June 30, 2012, the Company had $105,000,000 outstanding under its revolving credit facility and $494,000,000 outstanding under its term loan, of which $52,000,000 was classified as current portion of long-term debt, and $200,000,000 outstanding under its senior notes, of which $59,625,000 was classified as current portion of long-term debt.

The Company projects that capital expenditures for 2012 will be in the $290,000,000 to $300,000,000 range, including approximately $130,000,000 for the construction of 58 inland tank barges and five inland towboats and approximately $70,000,000 in progress payments on the construction of two offshore dry-bulk barge and tugboat units for delivery in the 2012 fourth quarter with an estimated total cost of $52,000,000 for each unit.  During the 2012 first six months, the Company's inland operation took delivery of 28 new inland tank barges, increasing capacity by approximately 650,000 barrels, and retired 27 inland tank barges and returned three chartered inland tank barges, reducing its capacity by approximately 490,000 barrels.  The Company's inland operation also took delivery of two inland towboats during the 2012 first six months.

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Based on current commitments, steel prices and projected delivery schedules, the Company’s 2013 new construction capital expenditures will consist of 53 inland tank barges with a total capacity of approximately 1,100,000 barrels and three inland towboats for delivery throughout 2013.  The cost is approximately $130,000,000, the majority of which will be expended in 2013.

Outlook

Petrochemical and black oil products inland tank barge utilization levels remained strong during the 2012 first six months in the 90% to 95% range. While the United States economy remains sluggish, with consistently high unemployment levels and weak consumer confidence, the United States petrochemical industry continues to see strong production levels for both domestic consumption and exports. Low priced domestic natural gas, a basic feedstock for the United States petrochemical industry, provides the industry with a competitive advantage against foreign petrochemical producers. As a result, United States petrochemical production improved during 2011 and has remained strong during the 2012 first half, thereby producing increased marine transportation volumes for basic petrochemicals to both domestic consumers and terminals for foreign destinations. The black oil products market also continued to improve during 2011 and the 2012 first half, primarily due to a continued stable United States refinery utilization level aided by the export of diesel fuel and heavy fuel oil, and demand for the transportation of crude oil from shale formations in South Texas, as well as the movement of Canadian crude oil from the Midwest to the Gulf Coast. The coastal tank barge trade moving primarily refined products is more reflective of the weaker United States economy with volumes well below the peak reached in 2007.

The United States petrochemical industry is globally competitive based on a number of factors including a highly integrated and efficient transportation system of pipelines, tank barges, railroads and trucks, largely depreciated yet well maintained and operated facilities, and a low cost feedstock slate, which includes natural gas. Certain United States producers have announced plans for plant capacity expansions and the reopening of idled petrochemical facilities. The current production volumes from the Company’s petrochemical customers have resulted in the Company’s inland tank barge utilization levels in the low to mid 90% range and any increased production from current facilities, plant expansions or the reopening of idled facilities should drive feedstock and production volumes higher, in turn leading to higher tank barge utilization levels and higher term and contract pricing, which could be mitigated by additional tank barge capacity.

During 2009 and 2010, the marine transportation segment was negatively impacted by excess industry inland tank barge capacity. At the end of 2011, the Company estimated there were approximately 3,100 inland tank barges in the industry fleet, of which approximately 500 were over 35 years old and approximately 300 of those over 40 years old. Given the age profile of the industry inland tank barge fleet, the expectation is that older tank barges will continue to be removed from service and replaced by new tank barges that will enter the fleet. During 2011, with the improved demand for inland petrochemical and black oil products tank barges and federal tax incentives on new equipment, the Company estimates that approximately 265 inland tank barges were ordered industry-wide for delivery throughout 2012. Many older tank barges will be retired, dependent on 2012 petrochemical and refinery production levels, crude oil movements and industry-wide tank barge utilization levels.
 

During 2011 and the first six months of 2012, the marine transportation segment was negatively impacted by excess industry coastal tank barge capacity.  At the end of 2011, the Company estimated there were approximately 275 tank barges operating in the 185,000 barrel or less coastal industry fleet.  The Company estimates that approximately 8% of the approximate 275 coastal tank barges are single hull and will be removed from service between 2012 and the mandatory retirement date for single hull tank barges of December 31, 2014. The Company presently operates three single hull tank barges in the coastal trade, less than 1% of its barrel capacity.  

In the diesel engine services segment, with the recent increase in drilling rigs operating in the Gulf of Mexico during late 2011 and the first six months of 2012, service activity levels have reflected a modest improvement and should continue to improve as drilling activity increases.   The land-based diesel engine services market consists of manufacturing and remanufacturing of oilfield service equipment, including hydraulic fracturing units, and servicing their components, which include high-speed diesel engines, transmissions and pumps, many of the same components used by marine customers.  As of December 31, 2011, an estimated 14 million horsepower was employed in the North American hydraulic fracturing business. With the current low price of natural gas, the exploration of United States natural gas shale formations has declined.  However, with the current high price of crude oil, the exploration of United States crude oil shale formations has remained very positive.  As a result, the United States exploration market is seeing a natural rotation away from natural gas and an expansion of crude oil exploration.  As this rotation occurs, there has been a pause in new oil service equipment orders as the exploration market assesses its equipment requirements.  This pause is providing an opportunity to free up capacity for remanufacturing and services to existing hydraulic fracturing horsepower.

Acquisitions

On December 15, 2011, the Company completed the purchase of the coastal tank barge fleet of Seaboats, consisting of three 80,000 barrel coastal tank barges and tugboats for $42,745,000 in cash. The three coastal tank barges and tugboats currently operate along the United States East Coast and had an average age of five years. Financing of the equipment acquisition was through the Company’s revolving credit facility.

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On July 1, 2011, the Company completed the acquisition of K-Sea, now named Kirby Offshore Marine, an operator of tank barges and tugboats participating in the coastal transportation primarily of refined petroleum products in the United States. The total value of the transaction was $603,427,000, excluding transaction fees, consisting of $227,617,000 of cash paid to K-Sea common and preferred unit holders and the general partner, $262,791,000 of cash to retire K-Sea’s outstanding debt, and $113,019,000 through the issuance of 1,939,234 shares of Company common stock valued at $58.28 per share, the Company’s closing share price on July 1, 2011. The transaction was financed through a combination of the new $540,000,000 term loan and the issuance of Company common stock.

On the acquisition date, Kirby Offshore Marine’s fleet, comprised of 57 coastal tank barges with a capacity of 3.8 million barrels and 63 tugboats, operated along the East Coast, West Coast and Gulf Coast of the United States, as well as in Alaska and Hawaii. Kirby Offshore Marine’s tank barge fleet, 54 of which were double hulled and had an average age of approximately nine years, is one of the youngest fleets in the coastal trade. Kirby Offshore Marine’s customers include major oil companies and refiners, many of which are current Company customers for inland tank barge services. Kirby Offshore Marine has operating facilities in New York, Philadelphia, Seattle and Honolulu.

On April 15, 2011, the Company purchased United, a distributor and service provider of engine and transmission related products for the oil and gas services, power generation and transportation industries, and manufacturer of oilfield service equipment. The purchase price was $271,192,000 in cash, plus a three-year earnout provision for up to an additional $50,000,000 payable in 2014, dependent on achieving certain financial targets. United, headquartered in Oklahoma City, Oklahoma with 21 locations across seven states, distributes and services equipment and parts for Allison, MTU, Daimler, and other diesel and natural gas engines. United also manufactures oilfield service equipment, including hydraulic fracturing equipment. United’s principal customers are oilfield service companies, oil and gas operators and producers, compression companies and on-highway transportation companies. Financing of the acquisition was through the Company’s operating cash flows and borrowings under the Company’s revolving credit facility.

On February 24, 2011, the Company purchased 21 inland and offshore tank barges and 15 inland towboats and offshore tugboats from Enterprise for $53,200,000 in cash. Enterprise provided transportation and delivery services for ship bunkers (engine fuel) to cruise ships, container ships and freighters primarily in the Miami, Port Everglades and Cape Canaveral, Florida area, the three largest cruise ship ports in the United States, as well as Tampa, Florida, Mobile, Alabama and Houston, Texas. Financing of the acquisition was through the Company’s operating cash flows.

On February 9, 2011, the Company purchased from Kinder Morgan for $4,050,000 in cash a 51% interest in Kinder Morgan’s shifting operation and fleeting facility for dry cargo barges and tank barges on the Houston Ship Channel. Kinder Morgan retained the remaining 49% interest and the Company will manage the operation. In addition, the Company purchased a towboat from Kinder Morgan for $1,250,000 in cash. Financing of the acquisition was through the Company’s operating cash flows.

Results of Operations

The Company reported 2012 second quarter net earnings attributable to Kirby of $47,551,000, or $.85 per share, on revenues of $511,848,000, compared with 2011 second quarter net earnings attributable to Kirby of $41,692,000, or $.77 per share, on revenues of $437,331,000.  Net earnings attributable to Kirby for the 2012 first six months were $98,495,000, or $1.76 per share, on revenues of $1,078,783,000 compared with $74,122,000, or $1.38 per share, on revenues of $736,690,000.  The 2012 second quarter and first six months results included a charge of $100,000 before taxes and $4,300,000 before taxes, respectively, or $.05 per share, associated with increasing the fair value of the United contingent earnout liability.  The 2012 second quarter and first six months also included a $499,000 before taxes, or $.01 per share, and $2,920,000 before taxes, or $.03 per share, respectively, severance charge associated with the integration of Kirby Offshore Marine’s administrative functions into the Company.

The following table sets forth the Company’s marine transportation and diesel engine services revenues for the 2012 second quarter compared with the second quarter of 2011, the first six months of 2012 compared with the first six months of 2011 and the percentage of each to total revenues for the comparable periods (dollars in thousands):

	Three months ended June 30,										Six months ended  June 30,
	2012		%			2011		%			2012		%			2011		%
Marine transportation	$	342,195		67	%	$	266,612		61	%	$	678,152		63	%	$	508,289		69	%
Diesel engine services		169,653		33			170,719		39			400,631		37			228,401		31
	$	511,848		100	%	$	437,331		100	%	$	1,078,783		100	%	$	736,690		100	%

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Marine Transportation

The Company, through its marine transportation segment, is a provider of marine transportation services, operating tank barges and towing vessels, transporting bulk liquid products throughout the Mississippi River System, on the Gulf Intracoastal Waterway, and along all three United States coasts and in Alaska and Hawaii. The Company transports petrochemical, black oil products, refined petroleum products and agricultural chemicals by tank barge. As of June 30, 2012, the Company operated 818 inland tank barges, with a total capacity of 16.4 million barrels, compared with 837 inland tank barges at June 30, 2011, with a total capacity of 16.4 million barrels. The Company operated an average of 239 inland towboats during the 2012 second quarter compared with 247 during the 2011 second quarter. The Company’s coastal fleet as of June 30, 2012 consisted of 57 tank barges, three of which are single hull, with 3.9 million barrels of capacity, and 64 tugboats. The Company owns four offshore dry-bulk barge and tugboats engaged in the coastal transportation of dry-bulk cargoes. The Company also owns a two-thirds interest in Osprey, which transports project cargoes and cargo containers by barge, as well as a 51% interest in a shifting operation and fleeting facility for dry cargo barges and tank barges on the Houston Ship Channel.

The following table sets forth the Company’s marine transportation segment’s revenues, costs and expenses, operating income and operating margins for the three months and six months ended June 30, 2012 compared with the three months and six months ended June 30, 2011 (dollars in thousands):

	Three months ended June 30,									Six months ended June 30,
	2012			2011			% Change			2012			2011			% Change
Marine transportation revenues	$	342,195		$	266,612			28	%	$	678,152		$	508,289			33	%
Costs and expenses:
Costs of sales and operating expenses		210,466			161,814			30			413,873			304,440			36
Selling, general and administrative		24,886			19,295			29			53,405			38,804			38
Taxes, other than on income		3,433			3,296			4			6,885			6,566			5
Depreciation and amortization		31,680			23,846			33			63,769			47,420			34
		270,465			208,251			30			537,932			397,230			35
Operating income	$	71,730		$	58,361			23	%	$	140,220		$	111,059			26	%
Operating margins		21.0	%		21.9	%					20.7	%		21.8	%

Marine Transportation Revenues

The following table shows the marine transportation markets serviced by the Company, the marine transportation revenue distribution for the 2012 second quarter and first six months, products moved and the drivers of the demand for the products the Company transports:

Markets Serviced	2012 Second Quarter Revenue Distribution		2012 Six Months Revenue Distribution		Products Moved	Drivers
Petrochemicals		51%		52%	Benzene, Styrene, Methanol, Acrylonitrile, Xylene, Caustic Soda, Butadiene, Propylene	Consumer non-durables – 70%, Consumer durables – 30%
Refined Petroleum Products		26%		25%	Gasoline, No. 2 Oil, Jet Fuel, Heating Oil, Naphtha, Diesel Fuel, Ethanol	Vehicle Usage, Air Travel, Weather Conditions, Refinery Utilization
Black Oil Products		19%		19%	Residual Fuel Oil, Coker Feedstock, Vacuum Gas Oil, Asphalt, Carbon Black Feedstock, Crude Oil, Ship Bunkers	Fuel for Power Plants and Ships, Feedstock for Refineries, Road Construction
Agricultural Chemicals		4%		4%	Anhydrous Ammonia, Nitrogen – Based Liquid Fertilizer, Industrial Ammonia	Corn, Cotton and Wheat Production, Chemical Feedstock Usage

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Marine transportation revenues for the 2012 second quarter and first six months increased 28% and 33%, respectively, when compared with the 2011 second quarter and first six months, reflecting the expansion into the coastal transportation business with the acquisition of K-Sea on July 1, 2011. The coastal tank barge fleet contributed approximately 20% of 2012 second quarter and first six months marine transportation revenues. The increase also reflected strong United States petrochemical production levels and stable refinery production levels, resulting in equipment utilization levels in the low-to-mid 90% range for the inland petrochemical and black oil products fleets, as well as favorable term and spot contract pricing. In addition, average diesel fuel prices for the 2012 second quarter and first six months increased 3% and 10%, respectively, compared with the 2011 second quarter and first six months, positively impacting marine transportation revenues since fuel price increases are covered by fuel escalation and de-escalation clauses in the Company’s term contracts, or the customer pays for the fuel.

The petrochemical market, the Company’s largest market, contributed 51% and 52% of the marine transportation revenues for the 2012 second quarter and first six months, respectively, reflecting continued strong business levels.  Low priced natural gas, a basic feedstock for the United States petrochemical industry, provided the industry with a competitive advantage against foreign petrochemical producers. As a result, United States petrochemical production remained strong during the 2012 second quarter and first six months, producing stable marine transportation volumes for the movement of basic petrochemicals for both domestic consumers and terminals for foreign destinations.  During the 2012 second quarter, temporarily lower volumes from one major petrochemical customer due to scheduled and unscheduled maintenance at multiple facilities, as well as low water levels on the Mississippi River System which led to light loading of tank barges and resulting lower revenues, did negatively impact the second quarter.

The refined petroleum products market, which contributed 26% and 25% of marine transportation revenues for the 2012 second quarter and first six months, respectively, reflected higher demand for the movements of products in the inland market, benefiting from additional volumes from major customers.  The coastal operations, which primarily transports refined petroleum products, saw overall equipment utilization rates in the 75% range for the 2012 second quarter and first six months.  The Pacific, Alaska and Hawaii markets experienced higher seasonal second quarter utilization rates; however, the New York Harbor market, and to a lesser extent the Atlantic market, saw lower equipment utilization levels and corresponding competitive bidding for available movements.

The black oil products market, which contributed 19% of 2012 second quarter and first six months marine transportation revenues, also saw strong demand driven by steady refinery production levels, the export of heavy fuel oil, demand for crude oil transportation from the Eagle Ford shale formations in South Texas and for the movement of Canadian crude oil downriver from the Midwest to the Gulf Coast.

The agricultural chemical market, which contributed 4% of 2012 second quarter and first six months marine transportation revenues, saw the traditional spring fill start early in the first quarter and continue through April and May with the movement of both domestically produced and imported product, driven by warmer than normal Midwest and Gulf Coast weather, low fertilizer inventories and high corn prices.

For the second quarter of 2012, the inland operations of the marine transportation segment incurred 1,164 delay days, 41% less than the 1,964 delay days that occurred during the 2011 second quarter. For the first six months of 2012, 3,635 delay days occurred, 8% less than the 3,945 delay days that occurred in the 2011 first six months.  Delay days measure the lost time incurred by a tow (towboat and one or more tank barges) during transit when the tow is stopped due to weather, lock conditions or other navigational factors. While low water conditions on the Mississippi River System in mid-May and throughout June created delays during the 2012 second quarter, the 2011 second quarter experienced record high water and flooding throughout the Mississippi River System and a portion of the Gulf Intracoastal Waterway near Morgan City.  For the 2012 first quarter, weather and water conditions in the Midwest were better compared with the first quarter of 2011, but fog and high winds along the Gulf Coast during the 2012 first quarter created delay days in excess of the 2011 first quarter.  Lock repairs on the Gulf Intracoastal Waterway and the Ohio River during the 2012 first and second quarters also created delays.

During the 2012 and 2011 second quarters and first six months, approximately 75% of the marine transportation’s inland operations revenues were under term contracts and 25% were spot contract revenues. Inland operation time charters, which insulate the Company from revenue fluctuations caused by weather and navigational delays and temporary market declines, represented 56% of the revenues under term contracts during the 2012 and 2011 second quarters. The 75% term contract and 25% spot contract mix provides the marine transportation’s inland operations with a predictable revenue stream.

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During the 2012 second quarter and first six months, approximately 60% of the coastal operations marine transportation revenues were under term contracts and 40% were spot contract revenues. Coastal time charters represented approximately 90% of the revenues under term contracts during 2012 second quarter and first six months.

Inland operations term contract rates renewed in the 2012 first and second quarters increased in the 4% to 6% average range compared with term contract rate renewals in the first and second quarters of 2011. Spot contract rates in the 2012 first and second quarters, which include the cost of fuel, increased modestly compared with the corresponding prior quarter.  Effective January 1, 2012, annual escalators for labor and the producer price index on a number of inland operation multi-year contracts resulted in rate increases on those contracts in the 2% range, excluding fuel.

For the coastal operations, rates on term contracts renewed in the 2012 first and second quarters were relatively stable compared with contract rate renewals in the 2011 first and second quarters and spot contract rates during the 2012 first and second quarters were also stable compared with the corresponding prior quarter.

Marine Transportation Costs and Expenses

Costs and expenses for the 2012 second quarter and first six months increased 30% and 35%, respectively, compared with the 2011 second quarter and first six months, primarily reflecting the K-Sea acquisition effective July 1, 2011, as well as higher costs and expenses associated with increased marine transportation demand and higher diesel fuel prices.

Costs of sales and operating expenses for the 2012 second quarter and first six months increased 30% and 36%, respectively, compared with the second quarter and first six months of 2011, primarily reflecting the K-Sea acquisition, as well as higher costs and expenses due to improved inland operations demand and higher diesel fuel costs as noted below.  During the 2012 first quarter, Gulf Coast winter winds, fog conditions and lock delays created more delay days as noted above, and the 2012 second quarter low water conditions on the Mississippi River increased operating expenses.

The inland operations of the marine transportation segment operated an average of 239 towboats during the 2012 second quarter, of which an average of 57 were chartered, compared with 247 during the 2011 second quarter, of which an average of 64 were chartered.  During the 2012 first six months, the inland operations operated an average of 240 towboats of which an average of 58 were chartered, compared with 239 towboats operated during the 2011 first six months, of which an average of 63 were chartered.  The decrease in the number of towboats operated during the 2012 second quarter was a reflection of additional towboats chartered during the 2011 second quarter due to high water and flooding throughout the Mississippi River System and a portion of the Gulf Intracoastal Waterway near Morgan City.  As demand increases or decreases, or as weather or water conditions dictate, the Company charters-in or releases chartered towboats in an effort to balance horsepower needs with current requirements. The Company has historically used chartered towboats for approximately one-third of its horsepower requirements.

During the 2012 second quarter, the inland operations of the marine transportation segment consumed 10.8 million gallons of diesel fuel compared with 11.5 million gallons consumed during the 2011 second quarter. The average price per gallon of diesel fuel consumed during the 2012 second quarter was $3.35, an increase of 3% compared with $3.25 per gallon for the 2011 second quarter.  For the 2012 first six months, the inland operations of the marine transportation segment consumed 21.7 million gallons of diesel fuel compared with 22.4 million consumed during the 2011 first six months.  The average price per gallon of diesel fuel consumed during the 2012 first six months was $3.26, an increase of 10% compared with $2.96 per gallon for the 2011 first six months. The fuel escalation and de-escalation clauses are designed to rebate fuel costs when prices decline and recover additional fuel costs when fuel prices rise; however, there is generally a 30 to 90 day delay before the contracts are adjusted. Spot contracts do not have escalators for fuel.

Selling, general and administrative expenses for the 2012 second quarter and first six months increased 29% and 38%, respectively, compared with the 2011 second quarter and first six months, reflecting the acquisition of Kirby Offshore Marine and a $2,421,000 first quarter and $499,000 second quarter severance charge associated with the integration of Kirby Offshore Marine’s administrative functions into the Company.

Depreciation and amortization for the 2012 second quarter and first six months increased 33% and 34%, respectively, compared with the 2011 second quarter and first six months. The increases were primarily attributable to increased capital expenditures, including new inland tank barges and towboats, and the acquisitions of Kirby Offshore Marine and Seaboats.

Marine Transportation Operating Income and Operating Margins

The marine transportation operating income for the 2012 second quarter and first six months increased 23% and 26%, respectively, compared with the 2011 second quarter and first six months.  The operating margin was 21.0% for the 2012 second quarter compared with 21.9% for the 2011 second quarter.  The operating margin for the 2012 first six months was 20.7% compared with 21.8% for the 2011 first six months. The higher operating income was primarily a reflection of higher inland tank barge utilization and higher inland term and spot contract rates negotiated throughout the 2011 second half and the 2012 first six months, and the operating income from Kirby Offshore Marine, acquired in July 2011.  The lower 2012 second quarter and first six months operating margin was mainly attributable to a low single digit operating margin for Kirby Offshore Marine, including the severance charges discussed above, partially offset by strong inland tank barge utilization levels and higher term and spot contract pricing.

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Diesel Engine Services

The Company, through its diesel engine services segment, sells genuine replacement parts, provides service mechanics to overhaul and repair medium-speed and high-speed diesel engines, transmissions, reduction gears, pumps and compression products, maintains facilities to rebuild component parts or entire medium-speed and high-speed diesel engines, transmissions and entire reduction gears, and manufactures and remanufactures oilfield service equipment, including hydraulic fracturing equipment. The Company primarily services the marine, power generation and land-based oil and gas operator and producer markets.

The following table sets forth the Company’s diesel engine services segment’s revenues, costs and expenses, operating income and operating margins for the three months and six months ended June 30, 2012 compared with the three months and six months ended June 30, 2011 (dollars in thousands):

	Three months ended June 30,									Six months ended June 30,
	2012			2011			% Change			2012			2011			% Change
Diesel engine services revenues	$	169,653		$	170,719			(1	)%	$	400,631		$	228,401			75	%
Costs and expenses:
Costs of sales and operating expenses		135,450			133,095			2			316,402			175,968			80
Selling, general and administrative		15,860			15,967			(1	)		38,254			23,030			66
Taxes, other than on income		462			415			11			912			634			44
Depreciation and amortization		2,763			3,631			(24	)		6,391			4,552			40
		154,535			153,108			1			361,959			204,184			77
Operating income	$	15,118		$	17,611			(14	)%	$	38,672		$	24,217			60	%
Operating margins		8.9	%		10.3	%					9.7	%		10.6	%

Diesel Engine Services Revenues
 

The following table shows the markets serviced by the Company’s diesel engine services segment, the revenue distribution for the 2012 second quarter and first six months and the customers for each market:

Markets Serviced	2012 Second Quarter Revenue Distribution		2012 Six Months Revenue Distribution		Customers
Land-Based		71%		73%	Land-Based Oilfield Services, Oil and Gas Operators and Producers, Compression, On-Highway Transportation
Marine		22%		21%	Inland River Carriers – Dry and Liquid, Offshore Towing – Dry and Liquid, Offshore Oilfield Services – Drilling Rigs & Supply Boats, Harbor Towing, Dredging, Great Lake Ore Carriers
Power Generation		7%		6%	Standby Power Generation, Pumping Stations

Diesel engine services revenues for the 2012 second quarter decreased 1% compared with the 2011 second quarter, while revenues for the first six months of 2012 increased 75% compared with the 2011 first six months.  The 2012 second quarter and first six months reflected the results of United, acquired on April 15, 2011.  The 1% decrease for the second quarter reflected lower equipment orders, including order cancellations or postponements for the manufacturing of fracturing units, as well as a decline in service of land-based diesel engines and sales of engines, transmissions and parts, primarily associated with the current low price of natural gas and resulting decline in drilling for natural gas in North American shale formations.  Partially offsetting the decline in manufacturing was the demand for fracturing units to be remanufactured and higher revenues from the marine market.  The 75% increase for the 2012 first six months, primarily reflected the United acquisition on April 15, 2011. The land-based market for the 2012 first quarter benefited from the manufacture of oil service equipment during the 2012 first quarter and the increase in the remanufacture of hydraulic fracturing equipment, as well as favorable sales and service of transmissions and diesel engines.  The increase in revenues and operating income for the 2012 second quarter and first six months reflected a stronger marine market, benefiting from large overhaul projects for major domestic and international customers, as well as higher service work for oil service customers as the Gulf of Mexico oil and gas drilling activity increased during the 2012 periods.  The power generation market benefited from major generator set upgrades and parts sales for both domestic and international customers.

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Diesel Engine Services Costs and Expenses

Costs and expenses for the 2012 second quarter increased 1% compared with the 2011 second quarter and 77% for the first six months of 2012 compared with the 2011 first six months. The change in each cost and expense category for the 2012 second quarter compared with 2011 second quarter was minimal. The increase in each cost and expense category for the first six months of 2012 compared with the 2011 first six months was primarily attributable to the United acquisition. In addition, the increase in costs of sales and operating expenses reflected the improved inland marine market and Gulf Coast oil services market.   The 2012 second quarter and first six months included a charge to selling, general and administrative expense of $100,000 and $4,300,000, respectively, increasing the fair value of the contingent earnout liability associated with the April 2011 acquisition of United.

Diesel Engine Services Operating Income and Operating Margins

Operating income for the diesel engine services segment for the 2012 second quarter decreased 14% compared with the 2011 second quarter.  For the 2012 first six months, operating income for the diesel engine services segment increased 60% compared with the 2011 first six months.  The 14% decrease for the 2012 second quarter primarily reflected the significant reduction in the number of fracturing units manufactured by United, partially offset by higher operating results from the marine and power generation markets.  The 60% increase for the 2012 first six months primarily reflected the operating income from United, acquired on April 15, 2011.  The operating margin for the 2012 second quarter was 8.9% compared with 10.3% for the 2011 second quarter and 9.7% for the 2012 first six months compared with 10.6% for the 2011 first six months.  The lower operating margins for both periods reflected the weaker land-based oil services market, partially offset by higher operating margins for the marine and power generation markets.

General Corporate Expenses

General corporate expenses for the 2012 second quarter were $3,219,000, a 29% decrease compared with $4,533,000 for the second quarter of 2011. For the first six months of 2012, general corporate expenses were $6,175,000, a 24% decrease compared with $8,128,000 for the first six months of 2011.  The 2011 second quarter and first six months included legal and professional fees and other costs associated with the 2011 acquisitions discussed above, including expenditures for the K-Sea acquisition completed on July 1, 2011.

Loss/Gain on Disposition of Assets

The Company reported a net gain on disposition of assets of $69,000 for the 2012 second quarter compared with $40,000 for the 2011 second quarter.  For the 2012 first six months, the Company reported a net gain on disposition of assets of $41,000 compared with a net loss on disposition of assets of $26,000 for the first six months of 2011.  The net gains and loss were predominantly from the sale of retired marine equipment.

Other Income (Expense)

The following table sets forth other income, noncontrolling interests and interest expense for the three months and six months ended June 30, 2012 compared with the three months and six months ended June 30, 2011 (dollars in thousands):

	Three months ended June 30,									Six months ended June 30,
	2012			2011			% Change			2012			2011			% Change
Other income	$	30		$	78			(62	)%		179		$	129			39	%
Noncontrolling interests	$	(884	)	$	(537	)		65	%	$	(1,819	)	$	(1,007	)		81	%
Interest expense	$	(5,901	)	$	(3,278	)		80	%	$	(11,741	)	$	(6,111	)		92	%

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Noncontrolling Interests

Noncontrolling interests for the 2012 second quarter and first six months increased 65% and 81%, respectively, compared with the 2011 second quarter and first six months, primarily the result of the purchase in February 2011 of a 51% interest in Kinder Morgan’s shifting operation and fleeting facility for dry cargo barges and tank barges on the Houston Ship Channel and the increase in the demand for the facility since the date of acquisition. Kinder Morgan retained the remaining 49% interest.

Interest Expense

Interest expense for the 2012 second quarter and first six months increased 80% and 92%, respectively, compared with the 2011 second quarter and first six months, primarily the result of borrowings under the revolving credit facility to finance the United acquisition and the $540,000,000 term loan to finance the acquisition of Kirby Offshore Marine.  During the 2012 and 2011 second quarters, the average debt and average interest rate, including the effect of interest rate swaps, were $778,108,000 and 3.1%, and $290,708,000 and 4.5%, respectively.  For the first six months of 2012 and 2011, the average debt and average interest rate, including the effect of interest rate swaps, were $776,301,000 and 3.0%, and $245,418,000 and 5.0%, respectively.

Financial Condition, Capital Resources and Liquidity

Balance Sheet

Total assets as of June 30, 2012 were $3,066,285,000 compared with $2,960,411,000 as of December 31, 2011. The following table sets forth the significant components of the balance sheet as of June 30, 2012 compared with December 31, 2011 (dollars in thousands):

	June 30, 2012		December 31, 2011		% Change
Assets:
Current assets	$	554,545	$	529,329		5	%
Property and equipment, net		1,903,278		1,822,173		4
Goodwill, net		483,894		483,468		—
Other assets		124,568		125,441		(1	)
	$	3,066,285	$	2,960,411		4	%
Liabilities and stockholders’ equity:
Current liabilities	$	393,329	$	358,800		10	%
Long-term debt – less current portion		687,905		763,000		(10	)
Deferred income taxes		330,012		292,355		13
Other long-term liabilities		93,809		92,098		2
Total equity		1,561,230		1,454,158		7
	$	3,066,285	$	2,960,411		4	%

Current assets as of June 30, 2012 increased 5% compared with December 31, 2011.  Cash and cash equivalents decreased 64%.  Inventory increased 31%, primarily reflecting the decrease in land-based diesel engine services activity levels during the 2012 first half, as well as the purchase of engines and transmissions to be sold to specific customers in the 2012 second half and in early 2013.  Other accounts receivable declined 13%, primarily due to a reduction of a receivable for federal income taxes overpaid in the 2011 fourth quarter.  

Property and equipment, net of accumulated depreciation, at June 30, 2012 increased 4% compared with December 31, 2011. The increase reflected $153,846,000 of capital expenditures for the 2012 first six months, more fully described under Capital Expenditures below, less $67,134,000 of depreciation expense for the first six months of 2012 and $5,970,000 of property disposals during the 2012 first six months.

Current liabilities as of June 30, 2012 increased 10% compared with December 31, 2011. The current portion of long-term debt at June 30, 2012 reflected the reclassification of $59,625,000 of the $200,000,000 of Senior Notes as current, reflecting the amount in excess of availability under the revolving credit facility.  The current portion of long term debt at June 30, 2012 also included an increase in the current portion of the term loan by $13,000,000.  Accounts payable decreased 12%, primarily from the decrease in business activity levels in the land-based diesel engine services market.  Accrued liabilities decreased 8%, primarily from the payments during the 2012 first six months of employee incentive compensation accrued during 2011.  Deferred revenues decreased 25%, primarily reflecting reduced deposits received for construction of new oilfield equipment in the land-based diesel engine services market.

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Long-term debt, less current portion, as of June 30, 2012 decreased 10% compared with December 31, 2011, reflecting payments on the revolving credit facility and term loan during the 2012 first six months and the reclassification of $59,625,000 of the $200,000,000 of Senior Notes to current portion of long-term debt.

Deferred income taxes as of June 30, 2012 increased 13% compared with December 31, 2011. The increase was primarily due to the 2012 first six months deferred tax provision of $33,774,000. The deferred tax provision was primarily due to bonus tax depreciation on qualifying expenditures due to the Tax Relief Act that provides 50% bonus tax depreciation for capital investments placed in service through December 31, 2012.

Other long-term liabilities as of June 30, 2012 increased 2% compared with December 31, 2011.  The increase was primarily due to pension plan accruals and an increase in the fair value of the United contingent earnout liability, partially offset by the reclassification of $9,202,000 of the long-term portion of the value of derivatives to short-term due to their February 2013 maturity.  As of June 30, 2012, the Company had recorded a contingent earnout liability of $26,900,000.

Total equity as of June 30, 2012 increased 7% compared with December 31, 2011. The increase was primarily the result of $98,495,000 of net earnings attributable to Kirby for the first six months of 2012 and a $2,668,000 increase in accumulated OCI. The increase in accumulated OCI primarily resulted from the net change in fair value of interest rate swap agreements, net of taxes, more fully described under Fair Value of Derivative Instruments below.

Long-Term Financing

The Company has a credit agreement (“Term Loan”) with a group of commercial banks, with Wells Fargo Bank, National Association as the administrative agent bank, with a maturity date of July 1, 2016. The Term Loan was funded on July 1, 2011 to provide financing for the acquisition of Kirby Offshore Marine. The Term Loan provided for a $540,000,000 five-year unsecured term loan facility with a variable interest rate based on LIBOR or an Alternate Base Rate calculated with reference to the agent bank’s prime rate, among other factors. The interest rate spread varies with the Company’s senior debt rating and is currently 1.5% over LIBOR or 0.5% over the Alternate Base Rate. The outstanding balance of the Term Loan is subject to quarterly amortization in increasing amounts and is prepayable, in whole or in part, without penalty. The Term Loan contains certain restrictive financial covenants including an interest coverage ratio and a debt-to-capitalization ratio. In addition to financial covenants, the Term Loan contains covenants that, subject to exceptions, restrict debt incurrence, mergers and acquisitions, sales of assets, dividends and investments, liquidations and dissolutions, capital leases, transactions with affiliates and changes in lines of business. As of June 30, 2012, the Company was in compliance with all Term Loan covenants and had $494,000,000 outstanding under the Term Loan, $52,000,000 of which was classified as current portion of long-term debt.

The Company has a $250,000,000 unsecured revolving credit facility (“Revolving Credit Facility”) with a syndicate of banks, with JPMorgan Chase Bank, N.A. as the administrative agent bank, with a maturity date of November 9, 2015. The Revolving Credit Facility allows for an increase in the commitments of the banks from $250,000,000 up to a maximum of $325,000,000, subject to the consent of each bank that elects to participate in the increased commitment. The variable interest rate spread is currently 1.5% over LIBOR or 0.5% over the Alternate Base Rate. The commitment fee is currently 0.3%. The Revolving Credit Facility contains certain restrictive financial covenants including an interest coverage ratio and a debt-to-capitalization ratio. In addition to financial covenants, the Revolving Credit Facility contains covenants that, subject to exceptions, restrict debt incurrence, mergers and acquisitions, sales of assets, dividends and investments, liquidations and dissolutions, capital leases, transactions with affiliates and changes in lines of business. Borrowings under the Revolving Credit Facility may be used for general corporate purposes, the purchase of existing or new equipment, the purchase of the Company’s common stock, or for business acquisitions. As of June 30, 2012, the Company was in compliance with all Revolving Credit Facility covenants and had $105,000,000 outstanding under the Revolving Credit Facility. The Revolving Credit Facility includes a $25,000,000 commitment which may be used for standby letters of credit. Outstanding letters of credit under the Revolving Credit Facility were $4,625,000 as of June 30, 2012.

The Company has $200,000,000 of unsecured floating rate senior notes (“Senior Notes”) due February 28, 2013. The Senior Notes pay interest quarterly at a rate equal to LIBOR plus a margin of 0.5%. The Senior Notes are callable, at the Company’s option, at par. No principal payments are required until maturity in February 2013. The Company was in compliance with all Senior Notes covenants at June 30, 2012.   As of June 30, 2012, $59,625,000 of the Senior Notes were classified as current portion of long-term debt and $140,375,000 was classified as long-term debt as the Company has the ability and the intent to refinance a portion of the Senior Notes on a long-term basis through the Revolving Credit Facility.

The Company has a $10,000,000 line of credit (“Credit Line”) with Bank of America for short-term liquidity needs and letters of credit, with a maturity date of June 30, 2013. The Credit Line allows the Company to borrow at an interest rate agreed to by Bank of America and the Company at the time each borrowing is made or continued. The Company had $530,000 of borrowings outstanding under the Credit Line as of June 30, 2012. Outstanding letters of credit under the Credit Line were $4,324,000 as of June 30, 2012.

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Interest Rate Risk Management

From time to time, the Company has utilized and expects to continue to utilize derivative financial instruments with respect to a portion of its interest rate risks to achieve a more predictable cash flow by reducing its exposure to interest rate fluctuations. These transactions generally are interest rate swap agreements and are entered into with large multinational banks. Derivative financial instruments related to the Company’s interest rate risks are intended to reduce the Company’s exposure to increases in the benchmark interest rates underlying the Company’s floating rate senior note, variable rate term loan and variable rate bank credit facility.

From time to time, the Company hedges its exposure to fluctuations in short-term interest rates under its variable rate bank credit facility and floating rate senior notes by entering into interest rate swap agreements. The interest rate swap agreements are designated as cash flow hedges, therefore, the changes in fair value, to the extent the swap agreements are effective, are recognized in OCI until the hedged interest expense is recognized in earnings. The current swap agreements effectively convert the Company’s interest rate obligation on the Company’s variable rate senior notes from quarterly floating rate payments based on the LIBOR to quarterly fixed rate payments. As of June 30, 2012, the Company had a total notional amount of $200,000,000 of interest rate swaps designated as cash flow hedges for its variable rate senior notes as follows (dollars in thousands):

Notional Amount	Effective date	Termination date	Fixed pay rate		Receive rate
$ 100,000	March 2006	February 2013		5.45%	Three-month LIBOR
$ 50,000	November 2008	February 2013		3.50%	Three-month LIBOR
$ 50,000	May 2009	February 2013		3.795%	Three-month LIBOR

Foreign Currency Risk Management

From time to time, the Company has utilized and expects to continue to utilize derivative financial instruments with respect to its forecasted foreign currency transactions to attempt to reduce the risk of its exposure to foreign currency rate fluctuations in its transactions denominated in foreign currency. These transactions, which relate to foreign currency obligations for the purchase of equipment from foreign suppliers or foreign currency receipts from foreign customers, generally are forward contracts or purchased call options and are entered into with large multinational banks.

As of June 30, 2012, the Company had forward contracts with notional amounts aggregating $3,096,000 to hedge its exposure to foreign currency rate fluctuations in expected foreign currency transactions. These contracts expire on various dates beginning in the third quarter of 2012 and ending in the first quarter of 2014. These forward contracts are designated as cash flow hedges, therefore, the changes in fair value, to the extent the forward contracts are effective, are recognized in OCI until the forward contracts expire and are recognized in cost of sales and operating expenses.

Fair Value of Derivative Instruments

The following table sets forth the fair value of the Company’s derivative instruments recorded as liabilities located on the consolidated balance sheet at June 30, 2012 and December 31, 2011 (in thousands):

Liability Derivatives	Balance Sheet Location	June 30, 2012		December 31, 2011
Derivatives designated as hedging instruments under ASC 815:
Foreign currency contracts	Other accrued liabilities	$	118	$	363
Foreign currency contracts	Other long-term liabilities		19		32
Interest rate contracts	Other accrued liabilities		5,579	─
Interest rate contracts	Other long-term liabilities	─			9,202
Total derivatives designated as hedging instruments under ASC 815		$	5,716	$	9,597
Total liability derivatives		$	5,716	$	9,597

Fair value amounts were derived as of June 30, 2012 and December 31, 2011 utilizing fair value models of the Company and its counterparties on the Company’s portfolio of derivative instruments. These fair value models use the income approach that relies on inputs such as yield curves, currency exchange rates and forward prices. The fair value of the Company’s derivative instruments is described above in Note 5, Fair Value Measurements.

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Cash Flow Hedges

For derivative instruments that are designated and qualify as cash flow hedges, the effective portion of the gain or loss on the derivative is reported as a component of OCI and reclassified into earnings in the same period or periods during which the hedged transaction affects earnings. Gains and losses on the derivative representing either hedge ineffectiveness or hedge components excluded from the assessment of effectiveness are recognized in current earnings. Any ineffectiveness related to the Company’s hedges was not material for any of the periods presented.

The following table sets forth the location and amount of gains and losses on the Company’s derivative instruments in the consolidated statements of earnings for the three months and six months ended June 30, 2012 and 2011 (in thousands)

		Amount of Gain (Loss)				Amount of Gain (Loss)
		Recognized in OCI on				Reclassified from
		Derivatives (Effective				Accumulated OCI into
		Portion)				Income (Effective Portion)
	Location of Gain (Loss) Reclassified from	Three months ended				Three months ended
Derivatives in ASC 815 Cash	Accumulated OCI into Income	June 30,				June 30,
Flow Hedging Relationships:	(Effective Portion)	2012		2011		2012			2011
Interest rate contracts	Interest expense	$	2,030	$	694	$	(2,056	)	$	(2,152	)
Foreign exchange contracts	Cost and sales of operating expenses		172		309		─			(43)
Total		$	2,202	$	1,003	$	(2,056	)	$	(2,195	)

		Amount of Gain (Loss)					Amount of Gain (Loss)
		Recognized in OCI on					Reclassified from
		Derivatives (Effective					Accumulated OCI into
		Portion)					Income (Effective Portion)
	Location of Gain (Loss) Reclassified from	Six months ended					Six months ended
Derivatives in ASC 815 Cash	Accumulated OCI into Income	June 30,					June 30,
Flow Hedging Relationships:	(Effective Portion)	2012		2011			2012			2011
Interest rate contracts	Interest expense	$	3,623	$	2,655		$	(4,100	)	$	(4,277	)
Foreign exchange contracts	Cost and sales of operating expenses		249		(551	)		(2	)		(43)
Total		$	3,872	$	2,104		$	(4,102	)	$	(4,320	)

The Company anticipates $3,626,000 of net losses on interest rate swap agreements included in accumulated OCI will be transferred into earnings over the next year based on current interest rates. Gains or losses on interest rate swap agreements offset increases or decreases in rates of the underlying debt, which results in a fixed rate for the underlying debt. The Company also expects $69,000 of net losses on foreign currency contracts included in accumulated OCI will be transferred into earnings over the next year based on current spot rates.

Capital Expenditures

Capital expenditures for the 2012 first six months were $153,846,000, of which $69,583,000 was for construction of new inland tank barges and towboats, $32,323,000 for progress payments on the construction of two offshore dry-bulk barge and tugboat units scheduled for completion in the fourth quarter of 2012, and $51,940,000 was primarily for upgrading of the existing inland and coastal marine transportation equipment and diesel engine services facilities. Capital expenditures for the 2011 first six months were $97,973,000, of which $55,664,000 was for construction of new tank barges and towboats, $4,566,000 for progress payments on the construction of the two offshore dry-bulk barge and tugboat units, and $37,743,000 was primarily for upgrading of the existing marine transportation fleet. Financing of the construction of the inland tank barges and towboats and dry-bulk barges and tugboats was through operating cash flows and available credit under the Company’s Revolving Credit Facility.

During the 2012 first six months, the Company's inland operation took delivery of 28 new inland tank barges and transferred in one tank barge from the costal operation, increasing capacity by approximately 670,000 barrels, and retired 27 inland tank barges and returned three charter inland tank barges, reducing capacity by approximately 490,000 barrels.  The Company's inland operation also took delivery of two inland towboats.

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The Company projects that capital expenditures for 2012 will be in the range of $290,000,000 to $300,000,000.  Based on current commitments, steel prices and projected delivery schedules, the Company’s 2012 new construction capital expenditures of approximately $130,000,000 will consist of 58 new inland tank barges with a total capacity of 1,100,000 barrels, five inland towboats, and approximately $70,000,000 in progress payments on the construction of two offshore dry-bulk barge and tugboat units for delivery in the 2012 fourth quarter with an estimated total cost of $52,000,000 for each unit. The balance of approximately $90,000,000 to $100,000,000 is primarily capital upgrades and improvements to existing marine equipment fleets and diesel engine services facilities.

Based on current commitments, steel prices and projected delivery schedules, the Company’s 2013 new construction capital expenditures will consist of 53 inland tank barges with a total capacity of approximately 1,100,000 barrels and three inland towboats for delivery throughout 2013.  The cost is approximately $130,000,000, the majority of which will be expended in 2013.

Funding for future capital expenditures is expected to be provided through operating cash flows and available credit under the Company’s Revolving Credit Facility.

Treasury Stock Purchases

The Company did not purchase any treasury stock during the 2012 first six months. As of August 3, 2012, the Company had 1,685,000 shares available under its existing repurchase authorization. Historically, treasury stock purchases have been financed through operating cash flows and borrowing under the Company’s Revolving Credit Facility. The Company is authorized to purchase its common stock on the New York Stock Exchange and in privately negotiated transactions. When purchasing its common stock, the Company is subject to price, trading volume and other market considerations. Shares purchased may be used for reissuance upon the exercise of stock options or the granting of other forms of incentive compensation, in future acquisitions for stock or for other appropriate corporate purposes.

Liquidity

The Company generated net cash provided by operating activities of $136,602,000 during the six months ended June 30, 2012 compared with $117,825,000 generated during the six months ended June 30, 2011. The 2012 first half experienced a net decrease in cash flows from changes in operating assets and liabilities of $75,773,000 compared with a net decrease in the 2011 first six months of $38,871,000, primarily due to a decrease in accounts payable during 2012 due to lower business activity levels at United and the timing of payments for inventory received at United which was acquired in April 2011, compared to an increase in accounts payable during 2011 due to increased business activity levels at United.  In addition, inventory at United increased a larger amount during 2012 when compared to the increase in the 2011.  These were partially offset by a smaller increase in accounts receivables in 2012 versus 2011 due to reduced business activity levels at United.

Funds generated are available for acquisitions, capital expenditure projects, common stock repurchases, repayments of borrowings, and for other corporate and operating requirements. In addition to net cash flow provided by operating activities, the Company also had available as of August 3, 2012, $165,390,000 under its Revolving Credit Facility and $1,245,000 available under its Credit Line.

Neither the Company, nor any of its subsidiaries, is obligated on any debt instrument, swap agreement, or any other financial instrument or commercial contract which has a rating trigger, except for pricing grids on its Revolving Credit Facility and Term Loan.

The Company expects to continue to fund expenditures for acquisitions, capital construction projects, common stock repurchases, repayment of borrowings, and for other operating requirements from a combination of available cash and cash equivalents, funds generated from operating activities and available financing arrangements.

The Revolving Credit Facility’s commitment is in the amount of $250,000,000 and expires November 9, 2015. As of June 30, 2012, the Company had $140,375,000 available under the Revolving Credit Facility. The Revolving Credit Facility also allows for an increase in the commitments from the banks from the current $250,000,000 level up to a maximum of $325,000,000, subject to the consent of each bank that elects to participate in the increased commitment. Based on current economic conditions and credit market volatility, there is no guarantee that the participating banks would elect to increase the commitment, and if they did, the terms may be less favorable than the current Revolving Credit Facility. The Senior Notes do not mature until February 2013 and require no prepayments. The outstanding balance of the Term Loan is subject to quarterly amortization in increasing amounts and is prepayable, in whole or in part, without penalty. While the Company has no current plans to access the private placement bond market, should the Company decide to do so in the near term, the terms, size and cost of a new debt issue could be less favorable than our current debt agreements.

34

Current market conditions also elevate the concern over counterparty risks related to the Company’s interest rate swap agreements used to hedge the Company’s exposure to fluctuating interest rates and the Company’s forward contracts used to hedge the Company’s exposure to fluctuating foreign currency rates. The counterparties to these contracts are large multinational banks. The Company may not realize the benefit of some of its hedges should one of these financial counterparties not perform.

There are numerous factors that may negatively impact the Company’s cash flow in 2012. For a list of significant risks and uncertainties that could impact cash flows, see Note 13, Contingencies and Commitments in the financial statements, and Item 1A — Risk Factors, in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011. Amounts available under the Company’s existing financial arrangements are subject to the Company continuing to meet the covenants of the credit facilities as described in Note 6, Long-Term Debt, in the Company’s annual report on Form 10-K for the year ended December 31, 2011.

The Company has issued guaranties or obtained standby letters of credit and performance bonds supporting performance by the Company and its subsidiaries of contractual or contingent legal obligations of the Company and its subsidiaries incurred in the ordinary course of business. The aggregate notional value of these instruments is $36,215,000 at June 30, 2012, including $10,177,000 in letters of credit and $26,038,000 in performance bonds. All of these instruments have an expiration date within three years. The Company does not believe demand for payment under these instruments is likely and expects no material cash outlays to occur in connection with these instruments.

All marine transportation term contracts contain fuel escalation clauses or the customer pays for the fuel. However, there is generally a 30 to 90 day delay before contracts are adjusted depending on the specific contract. In general, the fuel escalation clauses are effective over the long-term in allowing the Company to recover changes in fuel costs due to fuel price changes. However, the short-term effectiveness of the fuel escalation clauses can be affected by a number of factors including, but not limited to, specific terms of the fuel escalation formulas, fuel price volatility, navigating conditions, tow sizes, trip routing, and the location of loading and discharge ports that may result in the Company over or under recovering its fuel costs. Spot contract rates generally reflect current fuel prices at the time the contract is signed but do not have escalators for fuel.

During the last three years, inflation has had a relatively minor effect on the financial results of the Company. The marine transportation segment has long-term contracts which generally contain cost escalation clauses whereby certain costs, including fuel as noted above, can be passed through to its customers. Spot contract rates include the cost of fuel and are subject to market volatility. The repair portion of the diesel engine services segment is based on prevailing current market rates.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

The Company is exposed to risk from changes in interest rates on certain of its outstanding debt. The outstanding loan balances under the Company’s bank credit facilities bear interest at variable rates based on prevailing short-term interest rates in the United States and Europe. A 10% change in variable interest rates would impact the 2012 interest expense by $180,000 based on balances outstanding at December 31, 2011, and would change the fair value of the Company’s debt by less than 1%.

Interest Rate Risk Management

From time to time, the Company has utilized and expects to continue to utilize derivative financial instruments with respect to a portion of its interest rate risks to achieve a more predictable cash flow by reducing its exposure to interest rate fluctuations. These transactions generally are interest rate swap agreements and are entered into with large multinational banks. Derivative financial instruments related to the Company’s interest rate risks are intended to reduce the Company’s exposure to increases in the benchmark interest rates underlying the Company’s floating rate senior notes, variable rate term loan and variable rate bank credit facility.

From time to time, the Company hedges its exposure to fluctuations in short-term interest rates under its variable rate bank credit facility and floating rate senior notes by entering into interest rate swap agreements. The interest rate swap agreements are designated as cash flow hedges, therefore, the changes in fair value, to the extent the swap agreements are effective, are recognized in other OCI until the hedged interest expense is recognized in earnings. The current swap agreements effectively convert the Company’s interest rate obligation on the Company’s variable rate senior notes from quarterly floating rate payments based on the LIBOR to quarterly fixed rate payments. As of June 30, 2012, the Company had a total notional amount of $200,000,000 of interest rate swaps designated as cash flow hedges for its variable rate senior notes as follows (dollars in thousands):

Notional Amount	Effective date	Termination date	Fixed pay rate		Receive rate
$ 100,000	March 2006	February 2013		5.45%	Three-month LIBOR
$ 50,000	November 2008	February 2013		3.50%	Three-month LIBOR
$ 50,000	May 2009	February 2013		3.795%	Three-month LIBOR

35

Foreign Currency Risk Management

From time to time, the Company has utilized and expects to continue to utilize derivative financial instruments with respect to its forecasted foreign currency transactions to attempt to reduce the risk of its exposure to foreign currency rate fluctuations in its transactions denominated in foreign currency. These transactions, which relate to foreign currency obligations for the purchase of equipment from foreign suppliers or foreign currency receipts from foreign customers, generally are forward contracts or purchased call options and are entered into with large multinational banks.

As of June 30, 2012, the Company had forward contracts with notional amounts aggregating $3,096,000 to hedge its exposure to foreign currency rate fluctuations in expected foreign currency transactions. These contracts expire on various dates beginning in the third quarter of 2012 and ending in the first quarter of 2014. These forward contracts are designated as cash flow hedges, therefore, the changes in fair value, to the extent the forward contracts are effective, are recognized in OCI until the forward contracts expire and are recognized in cost of sales and operating expenses.

Fair Value of Derivative Instruments

The following table sets forth the fair value of the Company’s derivative instruments recorded as liabilities located on the consolidated balance sheet at June 30, 2012 and December 31, 2011 (in thousands):

Liability Derivatives	Balance Sheet Location	June 30, 2012		December 31, 2011
Derivatives designated as hedging instruments under ASC 815:
Foreign currency contracts	Other accrued liabilities	$	118	$	363
Foreign currency contracts	Other long-term liabilities		19		32
Interest rate contracts	Other accrued liabilities		5,579	─
Interest rate contracts	Other long-term liabilities	─			9,202
Total derivatives designated as hedging instruments under ASC 815		$	5,716	$	9,597
Total liability derivatives		$	5,716	$	9,597

Fair value amounts were derived as of June 30, 2012 and December 31, 2011 utilizing fair value models of the Company and its counterparties on the Company’s portfolio of derivative instruments. These fair value models use the income approach that relies on inputs such as yield curves, currency exchange rates and forward prices. The fair value of the Company’s derivative instruments is described above in Note 5, Fair Value Measurements.

Cash Flow Hedges

For derivative instruments that are designated and qualify as cash flow hedges, the effective portion of the gain or loss on the derivative is reported as a component of OCI and reclassified into earnings in the same period or periods during which the hedged transaction affects earnings. Gains and losses on the derivative representing either hedge ineffectiveness or hedge components excluded from the assessment of effectiveness are recognized in current earnings. Any ineffectiveness related to the Company’s hedges was not material for any of the periods presented.

36

The following table sets forth the location and amount of gains and losses on the Company’s derivative instruments in the consolidated statements of earnings for the three months and six months ended June 30, 2012 and 2011 (in thousands):

		Amount of Gain (Loss)				Amount of Gain (Loss)
		Recognized in OCI on				Reclassified from
		Derivatives (Effective				Accumulated OCI into
		Portion)				Income (Effective Portion)
	Location of Gain (Loss) Reclassified from	Three months ended				Three months ended
Derivatives in ASC 815 Cash	Accumulated OCI into Income	June 30,				June 30,
Flow Hedging Relationships:	(Effective Portion)	2012		2011		2012			2011
Interest rate contracts	Interest expense	$	2,030	$	694	$	(2,056	)	$	(2,152	)
Foreign exchange contracts	Cost and sales of operating expenses		172		309		─			(43)
Total		$	2,202	$	1,003	$	(2,056	)	$	(2,195	)

		Amount of Gain (Loss)					Amount of Gain (Loss)
		Recognized in OCI on					Reclassified from
		Derivatives (Effective					Accumulated OCI into
		Portion)					Income (Effective Portion)
	Location of Gain (Loss) Reclassified from	Six months ended					Six months ended
Derivatives in ASC 815 Cash	Accumulated OCI into Income	June 30,					June 30,
Flow Hedging Relationships:	(Effective Portion)	2012		2011			2012			2011
Interest rate contracts	Interest expense	$	3,623	$	2,655		$	(4,100	)	$	(4,277	)
Foreign exchange contracts	Cost and sales of operating expenses		249		(551	)		(2	)		(43)
Total		$	3,872	$	2,104		$	(4,102	)	$	(4,320	)

The Company anticipates $3,626,000 of net losses on interest rate swap agreements included in accumulated OCI will be transferred into earnings over the next year based on current interest rates. Gains or losses on interest rate swap agreements offset increases or decreases in rates of the underlying debt, which results in a fixed rate for the underlying debt. The Company also expects $69,000 of net losses on foreign currency contracts included in accumulated OCI will be transferred into earnings over the next year based on current spot rates.

Item 4. Controls and Procedures

The Company’s management, with the participation of the Chief Executive Officer and the Chief Financial Officer, has evaluated the Company’s disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934 (the “Exchange Act”) as of June 30, 2012. Based on that evaluation, the Chief Executive Officer and the Chief Financial Officer concluded that, as of June 30, 2012, the disclosure controls and procedures were effective to ensure that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms. There were no changes in the Company’s internal control over financial reporting during the quarter ended June 30, 2012 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

37

PART II – OTHER INFORMATION

Item 6. Exhibits

31.1 – Certification of Chief Executive Officer Pursuant to Rule 13a-14(a)

31.2 – Certification of Chief Financial Officer Pursuant to Rule 13a-14(a)

32 – Certification Pursuant to 18 U.S.C. Section 1350

101.INS* – XBRL Instance Document

101.SCH* – XBRL Taxonomy Extension Schema Document

101.CAL* – XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF* – XBRL Taxonomy Extension Definition Linkbase Document

101.LAB* – XBRL Taxonomy Extension Label Linkbase Document

101.PRE* – XBRL Taxonomy Extension Presentation Linkbase Document

* These exhibits are furnished herewith. In accordance with Rule 406T of Regulation S-T, these exhibits are not deemed to be filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, are not deemed to be filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.

38

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.

	KIRBY CORPORATION
	(Registrant)
	By:	/s/ DAVID W. GRZEBINSKI
		David W. Grzebinski
		Executive Vice President and
		Chief Financial Officer
Dated:  August 6, 2012

39

EX-31.1

Exhibit 31.1

Certification of Chief Executive Officer

In connection with the filing of the Quarterly Report on Form 10-Q for the quarter ended June 30, 2012 by Kirby Corporation, Joseph H. Pyne certifies that:

1. I have reviewed this report on Form 10-Q of Kirby Corporation (the “registrant”);

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 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 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.

	/S/ JOSEPH H. PYNE
	Joseph H. Pyne
	Chairman of the Board and
	Chief Executive Officer
Dated:  August 6, 2012

 

EX-31.2

Exhibit 31.2

Certification of Chief Financial Officer

In connection with the filing of the Quarterly Report on Form 10-Q for the quarter ended June 30, 2012 by Kirby Corporation, David W. Grzebinski certifies that:

1. I have reviewed this report on Form 10-Q of Kirby Corporation (the “registrant”);

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 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 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.

/S/ DAVID W. GRZEBINSKI

David W. Grzebinski

Executive Vice President and

Chief Financial Officer

EX-32

Exhibit 32

Certification Pursuant to Section 18 U.S.C. Section 1350

In connection with the filing of the Quarterly Report on Form 10-Q for the quarter ended June 30, 2012 (the “Report”) by Kirby Corporation (the “Company”), each of the undersigned hereby certifies that:

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

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

	/S/ JOSEPH H. PYNE
	Joseph H. Pyne
	Chairman of the Board and
	Chief Executive Officer
	/S/ DAVID W. GRZEBINSKI
	David W. Grzebinski
	Executive Vice President and
	Chief Financial Officer
Dated:  August 6, 2012

XML

Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Other Comprehensive Income [Abstract]
Pension and postretirement benefits, Gross Amount	$ (2,057)	$ (202)	$ (456)	$ 347
Foreign currency translation adjustments, Gross Amount	152	0	447	0
Change in fair value of derivative instruments, Gross Amount	2,202	1,004	3,872	2,282
Total Other Comprehensive Income (Loss), Other Comprehensive Income (Loss), Gross Amount	297	802	3,863	2,629
Pension and postretirement benefits, Income Tax (Provision) Benefit	789	80	177	(130)
Foreign currency translation adjustments, Income Tax (Provision) Benefit	0	0	0	0
Change in fair value of derivative instruments, Income Tax (Provision) Benefit	(782)	(373)	(1,372)	(774)
Total other comprehensive income (loss), Income Tax (Provision) Benefit	7	(293)	(1,195)	(904)
Pension and postretirement benefits, Net Amount	(1,268)	(122)	(279)	217
Foreign currency translation adjustments, Net Amount	152	0	447	0
Change in fair value of derivative financial instruments, Net Amount	1,420	631	2,500	1,508
Total comprehensive income (loss), net of taxes	$ 304	$ 509	$ 2,668	$ 1,725

XML

Acquisitions (Details) (USD $)	3 Months Ended		6 Months Ended		0 Months Ended									1 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jul. 03, 2011 K-Sea Transportation Partners L.P [Member]	Jul. 01, 2011 K-Sea Transportation Partners L.P [Member]	Jul. 01, 2011 K-Sea Transportation Partners L.P [Member] Maritime Equipment [Member] Tank Barges [Member] bbl	Jul. 01, 2011 K-Sea Transportation Partners L.P [Member] Maritime Equipment [Member] Tugboats [Member]	Aug. 15, 2011 United Holdings LLC [Member]	Apr. 15, 2011 United Holdings LLC [Member]	Feb. 24, 2011 United Holdings LLC [Member] Maritime Equipment [Member] Tank Barges [Member]	Feb. 24, 2011 United Holdings LLC [Member] Maritime Equipment [Member] Towboat [Member]	Feb. 24, 2011 Enterprise Marine Services LLC [Member]	Feb. 28, 2011 Kinder Morgan Petcoke, L.P. [Member]	Feb. 09, 2011 Kinder Morgan Petcoke, L.P. [Member]	Dec. 15, 2011 Seaboats, Inc. [Member]	Dec. 15, 2011 Seaboats, Inc. [Member] Maritime Equipment [Member] Coastal Tank Barges and Tugboats [Member] bbl	Feb. 24, 2011 Seaboats, Inc. [Member] Maritime Equipment [Member] Coastal Tank Barges and Tugboats [Member]
Business Acquisition [Line Items]
Total value of transaction						$ 603,427,000
Cash consideration paid						227,617,000				271,192,000			53,200,000		4,050,000	42,745,000
Cash to retire outstanding debt						262,791,000
Portion of equity in total consideration						113,019,000
Issue of common stock (in shares)					1,939,234
Common stock value (in dollars per share)						$ 58.28
Number of maritime vessels							57	63			15	21						3
Vessel capacity (in barrels)							3,800,000										80,000
Number of doubled hulled tank barges							54
Average age							9 years										5 years
Number of Locations									21
Number of states of operation									7
Earnout provision	3 years		3 years							3 years
Earnout provision additional payment, maximum	50,000,000		50,000,000							50,000,000
Purchased interest in entity (in hundredths)															51.00%
Retained remaining interest (in hundredths)															49.00%
Purchase price of productive assets			153,846,000	97,973,000										1,250,000
Business Acquisition, Pro Forma Information [Abstract]
Revenues	511,848,000	528,025,000	1,078,783,000	992,177,000
Net earnings attributable to Kirby	$ 47,551,000	$ 35,367,000	$ 98,495,000	$ 69,583,000
Net earnings per share attributable to Kirby common stockholders [Abstract]
Basic (in dollars per share)	$ 0.85	$ 0.64	$ 1.76	$ 1.25
Diluted (in dollars per share)	$ 0.85	$ 0.63	$ 1.76	$ 1.25

XML

Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Derivative Instruments [Abstract]

Interest Rate Risk Management

From time to time, the Company hedges its exposure to fluctuations in short-term interest rates under its variable rate bank revolving credit facility and floating rate senior notes by entering into interest rate swap agreements. The interest rate swap agreements are designated as cash flow hedges, therefore, the changes in fair value, to the extent the swap agreements are effective, are recognized in OCI until the hedged interest expense is recognized in earnings. The current swap agreements effectively convert the Company's interest rate obligation on the Company's variable rate senior notes from quarterly floating rate payments based on the London Interbank Offered Rate ("LIBOR") to quarterly fixed rate payments. As of June 30, 2012, the Company had a total notional amount of $200,000,000 of interest rate swaps designated as cash flow hedges for its variable rate senior notes as follows (dollars in thousands):

Notional Amount		Effective date	Termination date	Fixed  pay rate			Receive rate
$	100,000	March 2006	February 2013		5.45	%	Three-month LIBOR
$	50,000	November 2008	February 2013		3.50	%	Three-month LIBOR
$	50,000	May 2009	February 2013		3.795	%	Three-month LIBOR

Fair Value Of Derivative Instruments Liabilities

The following table sets forth the fair value of the Company's derivative instruments recorded as liabilities located on the consolidated balance sheet at June 30, 2012 and December 31, 2011 (in thousands):

Liability Derivatives	Balance Sheet Location	June 30, 2012		December 31, 2011
Derivatives designated as hedging instruments under ASC 815:
Foreign currency contracts	Other accrued liabilities	$	118	$	363
Foreign currency contracts	Other long-term liabilities		19		32
Interest rate contracts	Other accrued liabilities		5,579	─
Interest rate contracts	Other long-term liabilities	─			9,202
Total derivatives designated as hedging instruments under ASC 815		$	5,716	$	9,597
Total liability derivatives		$	5,716	$	9,597

Cash Flow Hedges

The following table sets forth the location and amount of gains and losses on the Company's derivative instruments in the consolidated statements of earnings for the three months and six months ended June 30, 2012 and 2011 (in thousands):

		Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)				Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
	Location of Gain (Loss) Reclassified from	Three months ended				Three months ended
Derivatives in ASC 815 Cash	Accumulated OCI into Income	June 30,				June 30,
Flow Hedging Relationships:	(Effective Portion)	2012		2011		2012			2011
Interest rate contracts	Interest expense	$	2,030	$	694	$	(2,056	)	$	(2,152	)
Foreign exchange contracts	Cost and sales of operating expenses		172		309		─			(43)
Total		$	2,202	$	1,003	$	(2,056	)	$	(2,195	)

		Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)					Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
	Location of Gain (Loss) Reclassified from	Six months ended					Six months ended
Derivatives in ASC 815 Cash	Accumulated OCI into Income	June 30,					June 30,
Flow Hedging Relationships:	(Effective Portion)	2012		2011			2012			2011
Interest rate contracts	Interest expense	$	3,623	$	2,655		$	(4,100	)	$	(4,277	)
Foreign exchange contracts	Cost and sales of operating expenses		249		(551	)		(2	)		(43)
Total		$	3,872	$	2,104		$	(4,102	)	$	(4,320	)

XML

Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Earnings Per Share [Abstract]
Net earnings attributable to Kirby	$ 47,551	$ 41,692	$ 98,495	$ 74,122
Undistributed earnings allocated to restricted shares	(375)	(370)	(769)	(656)
Income available to Kirby common stockholders - basic	47,176	41,322	97,726	73,466
Undistributed earnings allocated to restricted shares	375	370	769	656
Undistributed earnings reallocated to restricted shares	(374)	(369)	(765)	(653)
Income available to Kirby common stockholders - diluted	$ 47,177	$ 41,323	$ 97,730	$ 73,469
Weighted average common stock issued and outstanding (in shares)	55,869,000	53,685,000	55,839,000	53,662,000
Weighted average unvested restricted stock (in shares)	(441,000)	(476,000)	(436,000)	(474,000)
Weighted average common stock outstanding - basic (in shares)	55,428,000	53,209,000	53,403,000	53,188,000
Dilutive effect of stock options (in shares)	212,000	218,000	235,000	210,000
Weighted average common stock outstanding - diluted (in shares)	55,640,000	53,427,000	55,638,000	53,398,000
Basic (in dollars per share)	$ 0.85	$ 0.78	$ 1.76	$ 1.38
Diluted (in dollars per share)	$ 0.85	$ 0.77	$ 1.76	$ 1.38
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)			157,000	151,000

XML

Derivative Instruments (Cash Flow Hedges) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)	$ 2,202,000	$ 1,003,000	$ 3,872,000	$ 2,104,000
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(2,056,000)	(2,195,000)	(4,102,000)	(4,320,000)
Cash Flow Hedging [Member] | Foreign exchange contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss expected to be reclassified from accumulated OCI into income effective portion over the next year			69,000
Cash Flow Hedging [Member] | Foreign exchange contract [Member] | Cost and sales of operating expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)	172,000	309,000	249,000	(551,000)
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0	(43,000)	(2,000)	(43,000)
Cash Flow Hedging [Member] | Interest rate contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss expected to be reclassified from accumulated OCI into income effective portion over the next year			3,626,000
Cash Flow Hedging [Member] | Interest rate contract [Member] | Interest expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)	2,030,000	694,000	3,623,000	2,655,000
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	$ (2,056,000)	$ (2,152,000)	$ (4,100,000)	$ (4,277,000)

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Accounting Standards Adoptions

6 Months Ended

Jun. 30, 2012

Accounting Standards Adoptions [Abstract]

Accounting Standards Adoptions

(2) ACCOUNTING STANDARDS ADOPTIONS

In June 2011, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2011-05, "Comprehensive Income (Topic 220): Presentation of Comprehensive Income." ASU 2011-05 requires entities to present components of comprehensive income in either a single continuous statement of comprehensive income or two separate but consecutive statements that would include reclassification adjustments for items that are reclassified from other comprehensive income ("OCI") to net income on the face of the financial statements. This ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011.  The adoption of ASU 2011-05 in the first quarter of 2012 did not have an impact on the Company's consolidated financial statements except that the Company has applied these provisions to its presentation of consolidated financial statements.

In December 2011, the FASB issued ASU 2011-12, "Comprehensive Income (Topic 220): Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards Update No. 2011-05" ("ASU 2011-12"). The amendments to the Codification in ASU 2011-12 are effective at the same time as the amendments in ASU 2011-05, so that entities will not be required to comply with the presentation requirements in ASU 2011-05 that ASU 2011-12 is deferring. The amendments are being made to allow the FASB time to reevaluate whether to present on the face of the financial statements the effects of reclassifications out of accumulated OCI on the components of net income and OCI for all periods presented. ASU 2011-12 will be effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. The adoption of ASU 2011-12 did not have a material impact on the Company's consolidated financial statements.

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Retirement Plans (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Defined Benefit Plan Disclosure [Line Items]
Future contributions annual cost limitation, maximum (in hundredths)	4.00%		4.00%
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated future contribution in current year	$ 20,000,000		$ 20,000,000
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated future contribution in current year	10,000,000		10,000,000
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2,539,000	1,829,000	5,105,000	3,654,000
Interest cost	2,670,000	2,432,000	5,254,000	4,849,000
Expected return on plan assets	(3,218,000)	(2,824,000)	(6,438,000)	(5,645,000)
Actuarial gain (loss)	1,946,000	736,000	3,698,000	1,430,000
Prior service credit (cost)	0	(9,000)	0	(19,000)
Net periodic benefit cost	3,937,000	2,164,000	7,619,000	4,269,000
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0	0
Interest cost	19,000	20,000	37,000	40,000
Expected return on plan assets	0	0	0	0
Actuarial gain (loss)	3,000	2,000	7,000	4,000
Prior service credit (cost)	0	0	0	0
Net periodic benefit cost	22,000	22,000	44,000	44,000
Other Postretirement Benefits Postretirement Welfare Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0	0
Interest cost	34,000	50,000	67,000	86,000
Actuarial gain (loss)	(156,000)	(168,000)	(310,000)	(311,000)
Prior service credit (cost)	0	11,000	0	21,000
Net periodic benefit cost	$ (122,000)	$ (107,000)	$ (243,000)	$ (204,000)

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Taxes On Income (Tables)

6 Months Ended

Jun. 30, 2012

Taxes On Income [Abstract]

Taxes On Income

Earnings before taxes on income and details of the provision for taxes on income for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2012		2011		2012		2011
Earnings before taxes on income - United States	$	77,827	$	68,279	$	161,196	$	121,140
		>		>		>		>
Provision for taxes on income:
Federal:
Current	$	10,416	$	12,982	$	20,096	$	16,985
Deferred		15,591		9,930		33,774		23,740
State and local		3,385		3,138		7,012		5,286
		>		>		>		>
	$	29,392	$	26,050	$	60,882	$	46,011

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Segment Data (Tables)

6 Months Ended

Jun. 30, 2012

Segment Data [Abstract]

Schedule of Segment Reporting Information, by Segment

The following table sets forth the Company's revenues and profit or loss by reportable segment for the three months and six months ended June 30, 2012 and 2011 and total assets as of June 30, 2012 and December 31, 2011 (in thousands):

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
Revenues:
Marine transportation	$	342,195		$	266,612		$	678,152		$	508,289
Diesel engine services		169,653			170,719			400,631			228,401
		>			>			>			>
	$	511,848		$	437,331		$	1,078,783		$	736,690
		>			>			>			>
Segment profit (loss):
Marine transportation	$	71,730		$	58,361		$	140,220		$	111,059
Diesel engine services		15,118			17,611			38,672			24,217
Other		(9,021	)		(7,693	)		(17,696	)		(14,136	)
		>			>			>			>
	$	77,827		$	68,279		$	161,196		$	121,140

	June 30, 2012		December 31, 2011
Total assets:
Marine transportation	$	2,383,484	$	2,307,821
Diesel engine services		648,597		608,886
Other		34,204		43,704
	$	3,066,285	$	2,960,411

Schedule of Other Segment Reporting Information

The following table presents the details of "Other" segment loss for the three months and six months ended June 30, 2012 and 2011 (in thousands):

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
General corporate expenses	$	(3,219	)	$	(4,533	)	$	(6,175	)	$	(8,128	)
Gain (loss) on disposition of assets		69			40			41			(26	)
Interest expense		(5,901	)		(3,278	)		(11,741	)		(6,111	)
Other income		30			78			179			129
		>			>			>			>
	$	(9,021	)	$	(7,693	)	$	(17,696	)	$	(14,136	)
		>			>			>			>

The following table presents the details of "Other" total assets as of June 30, 2012 and December 31, 2011 (in thousands):

	June 30, 2012		December 31, 2011
General corporate assets	$	30,340	$	40,022
Investment in affiliates		3,864		3,682
	$	34,204	$	43,704

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Contingencies (Details) (USD $)	6 Months Ended
	Jun. 30, 2012
Guarantor Obligations [Line Items]
Issued guaranties	$ 36,215,000
Guarantor Obligations, Term	All of these instruments have an expiration date within three years
Performance Bonds [Member]
Guarantor Obligations [Line Items]
Issued guaranties	26,038,000
Letters Of Credit And Debt Guarantees [Member]
Guarantor Obligations [Line Items]
Issued guaranties	10,177,000
Gulfco Marine Superfund Site [Member]
Site Contingency [Line Items]
Number of other companies also named as Potentially Responsible Parties ("PRPs")	3
Number of companies named as Potentially Responsible Parties ("PRPs")	4
EPA incurred cleanup expense	3,500,000
EPA oversight costs	1,800,000
Portland Harbor Superfund Site [Member]
Site Contingency [Line Items]
Number of other companies also named as Potentially Responsible Parties ("PRPs")	250
Number of spills	4
Palmer Barge Line Superfund Site [Member]
Site Contingency [Line Items]
Number of other companies also named as Potentially Responsible Parties ("PRPs")	45
Number of other companies also in an investigation and feasibility study agreement with EPA	3
Number of new companies in an agreement with the EPA	5
Number of Potentially Responsible Parties notified by EPA of intent to recover costs	30
EPA notification intent to recover costs incurred	2,949,000
State Marine Of Port Arthur Superfund Site [Member]
Site Contingency [Line Items]
Number of other companies also named as Potentially Responsible Parties ("PRPs")	50
Number of Potentially Responsible Parties notified by EPA of intent to recover costs	7
EPA notification intent to recover costs incurred	$ 2,977,000

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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share

The following table presents the components of basic and diluted earnings per share of common stock for the three months and six months ended June 30, 2012 and 2011 (in thousands, except per share amounts):

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
Net earnings attributable to Kirby	$	47,551		$	41,692		$	98,495		$	74,122
Undistributed earnings allocated to restricted shares		(375	)		(370	)		(769	)		(656	)
		>			>			>			>
Income available to Kirby common stockholders - basic		47,176			41,322			97,726			73,466
Undistributed earnings allocated to restricted shares		375			370			769			656
Undistributed earnings reallocated to restricted shares		(374	)		(369	)		(765	)		(653	)
		>			>			>			>
Income available to Kirby common stockholders - diluted	$	47,177		$	41,323		$	97,730		$	73,469
		>			>			>			>
Shares outstanding:
Weighted average common stock issued and outstanding		55,869			53,685			55,839			53,662
Weighted average unvested restricted stock		(441	)		(476	)		(436	)		(474	)
		>			>			>			>
Weighted average common stock outstanding - basic		55,428			53,209			53,403			53,188
Dilutive effect of stock options		212			218			235			210
		>			>			>			>
Weighted average common stock outstanding - diluted		55,640			53,427			55,638			53,398
		>			>			>			>
Net earnings per share attributable to Kirby common stockholders:
Basic	$	.85		$	.78		$	1.76		$	1.38
		>			>			>			>
Diluted	$	.85		$	.77		$	1.76		$	1.38

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Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2012

Retirement Plans [Abstract]

Components Of Net Periodic Benefit Cost, Defined Benefit Plans

The components of net periodic benefit cost for the Company's defined benefit plans for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Pension Benefits
	Pension Plan						SERP
	Three months ended June 30,						Three months ended June 30,
	2012			2011			2012		2011
Components of net periodic benefit cost:
Service cost	$	2,539		$	1,829		$	-	$	-
Interest cost		2,670			2,432			19		20
Expected return on plan assets		(3,218	)		(2,824	)		-		-
Amortization:
Actuarial loss		1,946			736			3		2
Prior service credit		-			(9	)		-		-
Net periodic benefit cost	$	3,937		$	2,164		$	22	$	22

	Pension Benefits
	Pension Plan						SERP
	Six months ended June 30,						Six months ended June 30,
	2012			2011			2012		2011
Components of net periodic benefit cost:
Service cost	$	5,105		$	3,654		$	-	$	-
Interest cost		5,254			4,849			37		40
Expected return on plan assets		(6,438	)		(5,645	)		-		-
Amortization:
Actuarial loss		3,698			1,430			7		4
Prior service credit		-			(19	)		-		-
Net periodic benefit cost	$	7,619		$	4,269		$	44	$	44

Components Of Net Periodic Benefit Cost, Postretirement Benefit Plan

The components of net periodic benefit cost for the Company's postretirement benefit plan for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Other Postretirement Benefits Postretirement Welfare Plan Three months ended June 30,						Other Postretirement Benefits Postretirement Welfare Plan Six months ended June 30,
	2012			2011			2012			2011
Components of net periodic benefit cost:
Service cost	$	-		$	-		$	-		$	-
Interest cost		34			50			67			86
Amortization:
Actuarial gain		(156	)		(168	)		(310	)		(311	)
Prior service cost		-			11			-			21
Net periodic benefit cost	$	(122	)	$	(107	)	$	(243	)	$	(204	)

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Basis For Preparation Of The Condensed Financial Statements

6 Months Ended

Jun. 30, 2012

Basis For Preparation Of The Condensed Financial Statements [Abstract]

Basis For Preparation Of The Condensed Financial Statements

(1) BASIS FOR PREPARATION OF THE CONDENSED FINANCIAL STATEMENTS

The condensed financial statements included herein have been prepared by the Company, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission. Although the Company believes that the disclosures are adequate to make the information presented not misleading, certain information and footnote disclosures, including significant accounting policies normally included in annual financial statements, have been condensed or omitted pursuant to such rules and regulations. It is suggested that these condensed financial statements be read in conjunction with the Company's Annual Report on Form 10-K for the year ended December 31, 2011.

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Accounting Standards Adoptions (Details)	Jun. 30, 2012
Accounting Standards Adoptions [Abstract]
Number Of Statements Offered In Specific Presentation Option In Order To Comply With New Requirements Pertaining To Total Comprehensive Income	2

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Segment Data (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Segment Data [Abstract]
Number Of Reportable Segments			2
Revenues: [Abstract]
Marine transportation	$ 342,195	$ 266,612	$ 678,152	$ 508,289
Diesel engine services	169,653	170,719	400,631	228,401
Total revenues	511,848	437,331	1,078,783	736,690
Segment profit (loss): [Abstract]
Net Earnings	77,827	68,279	161,196	121,140
Total assets: [Abstract]
Total assets	3,066,285		3,066,285		2,960,411
Other segment disclosures: [Abstract]
Gain (loss) on disposition of assets	69	40	41	(26)
Interest expense	(5,901)	(3,278)	(11,741)	(6,111)
Other income	30	78	179	129
Marine transportation [Member]
Revenues: [Abstract]
Marine transportation	342,195	266,612	678,152	508,289
Segment profit (loss): [Abstract]
Net Earnings	71,730	58,361	140,220	111,059
Total assets: [Abstract]
Total assets	2,383,484		2,383,484		2,307,821
Diesel engine services [Member]
Revenues: [Abstract]
Diesel engine services	169,653	170,719	400,631	228,401
Segment profit (loss): [Abstract]
Net Earnings	15,118	17,611	38,672	24,217
Total assets: [Abstract]
Total assets	648,597		648,597		608,886
Other [Member]
Segment profit (loss): [Abstract]
Net Earnings	(9,021)	(7,693)	(17,696)	(14,136)
Total assets: [Abstract]
Total assets	34,204		34,204		43,704
Other segment disclosures: [Abstract]
General corporate expenses	(3,219)	(4,533)	(6,175)	(8,128)
Gain (loss) on disposition of assets	69	40	41	(26)
Interest expense	(5,901)	(3,278)	(11,741)	(6,111)
Other income	30	78	179	129
Other [Member] | General corporate assets [Member]
Total assets: [Abstract]
Total assets	30,340		30,340		40,022
Other [Member] | Investment in affiliates [Member]
Total assets: [Abstract]
Total assets	$ 3,864		$ 3,864		$ 3,682

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Condensed Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 5,805	$ 16,249
Accounts receivable:
Trade - less allowance for doubtful accounts	304,764	303,087
Other	27,890	32,060
Inventories - net	170,852	130,130
Prepaid expenses and other current assets	29,245	33,617
Deferred income taxes	15,989	14,186
Total current assets	554,545	529,329
Property and equipment	2,751,610	2,618,268
Less accumulated depreciation	(848,332)	(796,095)
Property and equipment - net	1,903,278	1,822,173
Goodwill - net	483,894	483,468
Other assets	124,568	125,441
Total assets	3,066,285	2,960,411
Current liabilities:
Current portion of long-term debt	111,627	39,005
Income taxes payable	4,363	4,124
Accounts payable	139,804	158,855
Accrued liabilities	107,872	117,262
Deferred revenues	29,663	39,554
Total current liabilities	393,329	358,800
Long-term debt - less current portion	687,905	763,000
Deferred income taxes	330,012	292,355
Other long-term liabilities	93,809	92,098
Total long-term liabilities	1,111,726	1,147,453
Contingencies and commitments
Kirby stockholders' equity:
Common stock, $.10 par value per share. Authorized 120,000,000 shares, issued 59,276,000 shares	5,928	5,928
Additional paid-in capital	360,882	357,294
Accumulated other comprehensive income - net	(53,508)	(56,176)
Retained earnings	1,328,136	1,229,641
Treasury stock - at cost, 3,409,000 at June 30, 2012 and 3,532,000 at December 31, 2011	(92,657)	(94,162)
Total Kirby stockholders' equity	1,548,781	1,442,525
Noncontrolling interests	12,449	11,633
Total equity	1,561,230	1,454,158
Total liabilities and equity	$ 3,066,285	$ 2,960,411

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Condensed Statements Of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net earnings	$ 100,314	$ 75,129
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation and amortization	71,671	53,406
Provision for deferred income taxes	33,774	23,740
Amortization of unearned compensation	4,489	4,490
Other	2,127	(69)
Decrease in cash flows resulting from changes in operating assets and liabilities, net	(75,773)	(38,871)
Net cash provided by operating activities	136,602	117,825
Cash flows from investing activities:
Capital expenditures	(153,846)	(97,973)
Acquisitions of businesses and marine equipment	0	(330,402)
Proceeds from disposition of assets	6,651	2,180
Net cash used in investing activities	(147,195)	(426,195)
Cash flows from financing activities:
Borrowings on bank credit facilities, net	10,530	119,700
Payments on long-term debt	(13,003)	(60)
Proceeds from exercise of stock options	1,250	349
Excess tax benefit from equity compensation plans	2,375	821
Other	(1,003)	(708)
Net cash provided by financing activities	149	120,102
Decrease in cash and cash equivalents	(10,444)	(188,268)
Cash and cash equivalents, beginning of year	16,249	195,600
Cash and cash equivalents, end of period	5,805	7,332
Cash paid during the period:
Interest	10,619	5,869
Income taxes	$ 19,174	$ 7,068

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Fair Value Measurements (Details) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Apr. 15, 2011	Jun. 30, 2012 Fair Value, Measurements, Recurring [Member]	Dec. 31, 2011 Fair Value, Measurements, Recurring [Member]	Jun. 30, 2012 Fair Value, Measurements, Recurring [Member] Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]	Dec. 31, 2011 Fair Value, Measurements, Recurring [Member] Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]	Jun. 30, 2012 Fair Value, Measurements, Recurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2011 Fair Value, Measurements, Recurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Jun. 30, 2012 Fair Value, Measurements, Recurring [Member] Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2011 Fair Value, Measurements, Recurring [Member] Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivatives, assets				$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Derivatives, liabilities				5,716,000	9,597,000	0	0	5,716,000	9,597,000	0	0
Contingent earnout liability				26,900,000	22,600,000	0	0	0	0	26,900,000	22,600,000
Liabilities, Fair Value Disclosure, Total				32,616,000	32,197,000	0	0	5,716,000	9,597,000	26,900,000	22,600,000
Contingent Consideration Arrangements [Abstract]
Earnout provision	3 years	3 years
Earnout provision additional payment, maximum	50,000,000	50,000,000
Contingent earnout liability fair value at acquisition			16,300,000
Increase in fair value of earnout liability	$ 100,000	$ 4,300,000

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Acquisitions (Tables)

6 Months Ended

Jun. 30, 2012

Acquisitions [Abstract]

Pro Forma Revenue, Basic and Diluted Net Earnings Per Share

The following table sets forth the Company's pro forma revenues, net earnings attributable to Kirby, basic net earnings per share and fully diluted net earnings per share attributable to Kirby common stockholders (unaudited and in thousands, except per share amounts):

	Three months ended June 30,				Six months ended June 30,
	2012		2011 Pro forma		2012		2011 Pro forma
Revenues	$	511,848	$	528,025	$	1,078,783	$	992,177
Net earnings attributable to Kirby	$	47,551	$	35,367	$	98,495	$	69,583
Net earnings per share attributable to Kirby common stockholders:
Basic	$	.85	$	.64	$	1.76	$	1.25
Diluted	$	.85	$	.63	$	1.76	$	1.25

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Derivative Instruments (Fair Value Of Derivative Instruments) (Details) (Designated as Hedging Instrument [Member], USD $)				6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Interest Rate Swap [Member]	Jun. 30, 2012 Interest rate swap - Fixed pay rate 3.795% [Member]	Jun. 30, 2012 Interest rate swap - Fixed pay rate 3.50% [Member]	Jun. 30, 2012 Interest rate swap - Fixed pay rate 5.45% [Member]	Jun. 30, 2012 Interest rate contract [Member] Other accrued liabilities [Member]	Dec. 31, 2011 Interest rate contract [Member] Other accrued liabilities [Member]	Jun. 30, 2012 Interest rate contract [Member] Other Long-Term Liabilities [Member]	Dec. 31, 2011 Interest rate contract [Member] Other Long-Term Liabilities [Member]	Jun. 30, 2012 Foreign currency contracts [Member] Other accrued liabilities [Member]	Dec. 31, 2011 Foreign currency contracts [Member] Other accrued liabilities [Member]	Jun. 30, 2012 Foreign currency contracts [Member] Other Long-Term Liabilities [Member]	Dec. 31, 2011 Foreign currency contracts [Member] Other Long-Term Liabilities [Member]	Jun. 30, 2012 Forward Contracts [Member]
Derivative instruments - risk management [Abstract]
Notional amount			$ 200,000,000	$ 50,000,000	$ 50,000,000	$ 100,000,000									$ 3,096,000
Effective date				May 31, 2009	Nov. 30, 2008	Mar. 31, 2006
Termination date				Feb. 28, 2013	Feb. 28, 2013	Feb. 28, 2013
Fixed pay rate				3.795%	3.50%	5.45%
Receive rate				Three-month LIBOR	Three-month LIBOR	Three-month LIBOR
Derivative Instruments in Hedges, at Fair Value [Abstract]
Fair value, liability derivatives							5,579,000	0	0	9,202,000	118,000	363,000	19,000	32,000
Total derivatives designated as hedging instruments under ASC 815	$ 5,716,000	$ 9,597,000

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Measurements [Abstract]

Assets And Liabilities Measured At Fair Value On A Recurring Basis

The following table summarizes the assets and liabilities measured at fair value on a recurring basis at June 30, 2012 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Assets:
Derivatives	$	-	$	-	$	-	$	-
Liabilities:
Derivatives	$	-	$	5,716	$	-	$	5,716
Contingent earnout liability		-		-		26,900		26,900
	$	-	$	5,716	$	26,900	$	32,616

The following table summarizes the assets and liabilities measured at fair value on a recurring basis at December 31, 2011 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Assets:
Derivatives	$	-	$	-	$	-	$	-
Liabilities:
Derivatives	$	-	$	9,597	$	-	$	9,597
Contingent earnout liability		-		-		22,600		22,600
	$	-	$	9,597	$	22,600	$	32,197

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Management Opinion

6 Months Ended

Jun. 30, 2012

Management Opinion [Abstract]

Management Opinion

In the opinion of management, the accompanying unaudited condensed financial statements of Kirby Corporation and consolidated subsidiaries (the "Company") contain all adjustments (consisting of only normal recurring accruals) necessary to present fairly the financial position as of June 30, 2012 and December 31, 2011, and the results of operations for the three months and six months ended June 30, 2012 and 2011.

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Condensed Balance Sheets (Unaudited) (Parenthetical) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Condensed Balance Sheets [Abstract]
Common stock, par value per share	$ 0.10	$ 0.10
Common stock, shares authorized	120,000,000	120,000,000
Common stock, shares issued	59,276,000	59,276,000
Treasury stock, shares	3,409,000	3,532,000

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Taxes On Income

6 Months Ended

Jun. 30, 2012

Taxes On Income [Abstract]

Taxes On Income

(10) TAXES ON INCOME

Earnings before taxes on income and details of the provision for taxes on income for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2012		2011		2012		2011
Earnings before taxes on income - United States	$	77,827	$	68,279	$	161,196	$	121,140
		>		>		>		>
Provision for taxes on income:
Federal:
Current	$	10,416	$	12,982	$	20,096	$	16,985
Deferred		15,591		9,930		33,774		23,740
State and local		3,385		3,138		7,012		5,286
		>		>		>		>
	$	29,392	$	26,050	$	60,882	$	46,011

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Document and Entity Information	6 Months Ended
	Jun. 30, 2012	Aug. 03, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	KIRBY CORP
Entity Central Index Key	0000056047
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		55,867,000
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2012

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Earnings Per Share

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share

(11) EARNINGS PER SHARE

The following table presents the components of basic and diluted earnings per share of common stock for the three months and six months ended June 30, 2012 and 2011 (in thousands, except per share amounts):

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
Net earnings attributable to Kirby	$	47,551		$	41,692		$	98,495		$	74,122
Undistributed earnings allocated to restricted shares		(375	)		(370	)		(769	)		(656	)
		>			>			>			>
Income available to Kirby common stockholders - basic		47,176			41,322			97,726			73,466
Undistributed earnings allocated to restricted shares		375			370			769			656
Undistributed earnings reallocated to restricted shares		(374	)		(369	)		(765	)		(653	)
		>			>			>			>
Income available to Kirby common stockholders - diluted	$	47,177		$	41,323		$	97,730		$	73,469
		>			>			>			>
Shares outstanding:
Weighted average common stock issued and outstanding		55,869			53,685			55,839			53,662
Weighted average unvested restricted stock		(441	)		(476	)		(436	)		(474	)
		>			>			>			>
Weighted average common stock outstanding - basic		55,428			53,209			53,403			53,188
Dilutive effect of stock options		212			218			235			210
		>			>			>			>
Weighted average common stock outstanding - diluted		55,640			53,427			55,638			53,398
		>			>			>			>
Net earnings per share attributable to Kirby common stockholders:
Basic	$	.85		$	.78		$	1.76		$	1.38
		>			>			>			>
Diluted	$	.85		$	.77		$	1.76		$	1.38

Certain outstanding options to purchase approximately 157,000 and 151,000 shares of common stock were excluded in the computation of diluted earnings per share as of June 30, 2012 and 2011, respectively, as such stock options would have been antidilutive.

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Condensed Statements Of Earnings (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues:
Marine transportation	$ 342,195	$ 266,612	$ 678,152	$ 508,289
Diesel engine services	169,653	170,719	400,631	228,401
Total revenues	511,848	437,331	1,078,783	736,690
Costs and expenses:
Costs of sales and operating expenses	345,916	294,909	730,275	480,408
Selling, general and administrative	43,199	39,047	96,299	68,504
Taxes, other than on income	3,907	3,723	7,821	7,224
Depreciation and amortization	35,197	28,213	71,671	53,406
Loss (gain) on disposition of assets	(69)	(40)	(41)	26
Total costs and expenses	428,150	365,852	906,025	609,568
Operating income	83,698	71,479	172,758	127,122
Other income	30	78	179	129
Interest expense	(5,901)	(3,278)	(11,741)	(6,111)
Earnings before taxes on income	77,827	68,279	161,196	121,140
Provision for taxes on income	(29,392)	(26,050)	(60,882)	(46,011)
Net earnings	48,435	42,229	100,314	75,129
Less: Net earnings attributable to noncontrolling interests	(884)	(537)	(1,819)	(1,007)
Net earnings attributable to Kirby	$ 47,551	$ 41,692	$ 98,495	$ 74,122
Net earnings per share attributable to Kirby common stockholders:
Basic	$ 0.85	$ 0.78	$ 1.76	$ 1.38
Diluted	$ 0.85	$ 0.77	$ 1.76	$ 1.38

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Fair Value Measurements

6 Months Ended

Jun. 30, 2012

Fair Value Measurements [Abstract]

Fair Value Measurements

(5) FAIR VALUE MEASUREMENTS

The accounting guidance for using fair value to measure certain assets and liabilities establishes a three tier value hierarchy, which prioritizes the inputs to valuation techniques used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets for identical assets or liabilities; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little, if any, market data exists, therefore requiring an entity to develop its own assumptions about the assumptions that market participants would use in pricing the asset or liability.

The following table summarizes the assets and liabilities measured at fair value on a recurring basis at June 30, 2012 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Assets:
Derivatives	$	-	$	-	$	-	$	-
Liabilities:
Derivatives	$	-	$	5,716	$	-	$	5,716
Contingent earnout liability		-		-		26,900		26,900
	$	-	$	5,716	$	26,900	$	32,616

The following table summarizes the assets and liabilities measured at fair value on a recurring basis at December 31, 2011 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Assets:
Derivatives	$	-	$	-	$	-	$	-
Liabilities:
Derivatives	$	-	$	9,597	$	-	$	9,597
Contingent earnout liability		-		-		22,600		22,600
	$	-	$	9,597	$	22,600	$	32,197

The fair value of the Company's derivative instruments is more fully described below in Note 6, Derivative Instruments.

In connection with the acquisition of United on April 15, 2011, United's former owners are eligible to receive a three-year earnout provision for up to an additional $50,000,000 payable in 2014, dependent on achieving certain financial targets. The fair value of the contingent earnout liability recorded at the acquisition date was $16,300,000. The fair value of the earnout is based on a valuation of the estimated fair value of the liability after probability weighting and discounting various potential payments. The increase in the fair value of the earnout liability of $100,000 for the three months ended June 30, 2012 and $4,300,000 for the six months ended June 30, 2012 was charged to selling, general and administrative expense. As of June 30, 2012, the Company had recorded an earnout liability of $26,900,000.

Cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities have carrying values that approximate fair value due to the short-term maturity of these financial instruments. The Company is of the opinion that amounts included in the consolidated financial statements for outstanding debt materially represent the fair value of such debt due to their variable interest rates.

Certain assets are measured at fair value on a nonrecurring basis and therefore are not included in the table above. These assets are adjusted to fair value when there is evidence of impairment. During the six months ended June 30, 2012, there was no indication that the Company's long-lived assets were impaired, and accordingly, measurement at fair value was not required.

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Inventories

6 Months Ended

Jun. 30, 2012

Inventories [Abstract]

Inventories

(4) INVENTORIES

The following table presents the details of inventories as of June 30, 2012 and December 31, 2011 (in thousands):

	June 30, 2012		December 31, 2011
Finished goods	$	144,188	$	111,931
Work in process		26,664		18,199
	$	170,852	$	130,130

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Inventories (Tables)

6 Months Ended

Jun. 30, 2012

Inventories [Abstract]

Schedule of Inventory

The following table presents the details of inventories as of June 30, 2012 and December 31, 2011 (in thousands):

	June 30, 2012		December 31, 2011
Finished goods	$	144,188	$	111,931
Work in process		26,664		18,199
	$	170,852	$	130,130

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Retirement Plans

6 Months Ended

Jun. 30, 2012

Retirement Plans [Abstract]

Retirement Plans

(12) RETIREMENT PLANS

The Company sponsors a defined benefit plan for its inland vessel personnel and shore based tankermen. The plan benefits are based on an employee's years of service and compensation. The plan assets consist primarily of equity and fixed income securities.

The Company's pension plan funding strategy has historically been to contribute an amount equal to the greater of the minimum required contribution under ERISA or the amount necessary to fully fund the plan on an accumulated benefit obligation ("ABO") basis at the end of the fiscal year. The ABO is based on a variety of demographic and economic assumptions, and the pension plan assets' returns are subject to various risks, including market and interest rate risk, making an accurate prediction of the pension plan contribution difficult. Based on current pension plan assets and market conditions, the Company expects to contribute between $10,000,000 and $20,000,000 to its pension plan prior to December 31, 2012 to fund its 2012 pension plan obligations. As of June 30, 2012, no 2012 year contributions have been made.

The Company sponsors an unfunded defined benefit health care plan that provides limited postretirement medical benefits to employees who met minimum age and service requirements, and to eligible dependents. The plan limits cost increases in the Company's contribution to 4% per year. The plan is contributory, with retiree contributions adjusted annually. The plan eliminated coverage for future retirees as of December 31, 2011. The Company also has an unfunded defined benefit supplemental executive retirement plan ("SERP") that was assumed in an acquisition in 1999. That plan ceased to accrue additional benefits effective January 1, 2000.

The components of net periodic benefit cost for the Company's defined benefit plans for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Pension Benefits
	Pension Plan						SERP
	Three months ended June 30,						Three months ended June 30,
	2012			2011			2012		2011
Components of net periodic benefit cost:
Service cost	$	2,539		$	1,829		$	-	$	-
Interest cost		2,670			2,432			19		20
Expected return on plan assets		(3,218	)		(2,824	)		-		-
Amortization:
Actuarial loss		1,946			736			3		2
Prior service credit		-			(9	)		-		-
Net periodic benefit cost	$	3,937		$	2,164		$	22	$	22

	Pension Benefits
	Pension Plan						SERP
	Six months ended June 30,						Six months ended June 30,
	2012			2011			2012		2011
Components of net periodic benefit cost:
Service cost	$	5,105		$	3,654		$	-	$	-
Interest cost		5,254			4,849			37		40
Expected return on plan assets		(6,438	)		(5,645	)		-		-
Amortization:
Actuarial loss		3,698			1,430			7		4
Prior service credit		-			(19	)		-		-
Net periodic benefit cost	$	7,619		$	4,269		$	44	$	44

The components of net periodic benefit cost for the Company's postretirement benefit plan for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Other Postretirement Benefits Postretirement Welfare Plan Three months ended June 30,						Other Postretirement Benefits Postretirement Welfare Plan Six months ended June 30,
	2012			2011			2012			2011
Components of net periodic benefit cost:
Service cost	$	-		$	-		$	-		$	-
Interest cost		34			50			67			86
Amortization:
Actuarial gain		(156	)		(168	)		(310	)		(311	)
Prior service cost		-			11			-			21
Net periodic benefit cost	$	(122	)	$	(107	)	$	(243	)	$	(204	)

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Other Comprehensive Income

6 Months Ended

Jun. 30, 2012

Other Comprehensive Income [Abstract]

Other Comprehensive Income

(8) OTHER COMPREHENSIVE INCOME

The Company's changes in other comprehensive income for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Three months ended June 30,
	2012							2011
	Gross Amount		Income Tax (Provision) Benefit			Net Amount		Gross Amount		Income Tax (Provision) Benefit			Net Amount
Pension and postretirement benefits	$	(2,057)	$	789		$	(1,268)	$	(202)	$	80		$	(122)
Foreign currency translation adjustments		152		-			152		-		-			-
Change in fair value of derivative instruments		2,202		(782	)		1,420		1,004		(373	)		631
Total	$	297	$	7		$	304	$	802	$	(293	)	$	509

	Six months ended June 30,
	2012							2011
	Gross Amount		Income Tax (Provision) Benefit			Net Amount		Gross Amount		Income Tax (Provision) Benefit			Net Amount
Pension and postretirement benefits	$	(456)	$	177		$	(279)	$	347	$	(130	)	$	217
Foreign currency translation adjustments		447		-			447		-		-			-
Change in fair value of derivative instruments		3,872		(1,372	)		2,500		2,282		(774	)		1,508
Total	$	3,863	$	(1,195	)	$	2,668	$	2,629	$	(904	)	$	1,725

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Derivative Instruments

6 Months Ended

Jun. 30, 2012

Derivative Instruments [Abstract]

Derivative Instruments

(6) DERIVATIVE INSTRUMENTS

The Company recognizes all derivative instruments at fair value in the balance sheet as either assets or liabilities. The accounting for changes in the fair value of a derivative instrument depends on the intended use of the derivative and the resulting designation, which is established at the inception date of a derivative. For derivative instruments designated as cash flow hedges, changes in fair value, to the extent the hedge is effective, are recognized in OCI until the hedged item is recognized in earnings. Hedge effectiveness is measured at least quarterly based on the cumulative difference between the fair value of the derivative contract and the hedged item over time. Any change in fair value resulting from ineffectiveness is recognized immediately in earnings.

Interest Rate Risk Management

From time to time, the Company has utilized and expects to continue to utilize derivative financial instruments with respect to a portion of its interest rate risks to achieve a more predictable cash flow by reducing its exposure to interest rate fluctuations. These transactions generally are interest rate swap agreements and are entered into with large multinational banks. Derivative financial instruments related to the Company's interest rate risks are intended to reduce the Company's exposure to increases in the benchmark interest rates underlying the Company's floating rate senior notes, variable rate term loan and variable rate bank revolving credit facility.

From time to time, the Company hedges its exposure to fluctuations in short-term interest rates under its variable rate bank revolving credit facility and floating rate senior notes by entering into interest rate swap agreements. The interest rate swap agreements are designated as cash flow hedges, therefore, the changes in fair value, to the extent the swap agreements are effective, are recognized in OCI until the hedged interest expense is recognized in earnings. The current swap agreements effectively convert the Company's interest rate obligation on the Company's variable rate senior notes from quarterly floating rate payments based on the London Interbank Offered Rate ("LIBOR") to quarterly fixed rate payments. As of June 30, 2012, the Company had a total notional amount of $200,000,000 of interest rate swaps designated as cash flow hedges for its variable rate senior notes as follows (dollars in thousands):

Notional Amount		Effective date	Termination date	Fixed  pay rate			Receive rate
$	100,000	March 2006	February 2013		5.45	%	Three-month LIBOR
$	50,000	November 2008	February 2013		3.50	%	Three-month LIBOR
$	50,000	May 2009	February 2013		3.795	%	Three-month LIBOR

Foreign Currency Risk Management

From time to time, the Company has utilized and expects to continue to utilize derivative financial instruments with respect to its forecasted foreign currency transactions to attempt to reduce the risk of its exposure to foreign currency rate fluctuations in its transactions denominated in foreign currency. These transactions, which relate to foreign currency obligations for the purchase of equipment from foreign suppliers or foreign currency receipts from foreign customers, generally are forward contracts or purchased call options and are entered into with large multinational banks.

As of June 30, 2012, the Company had forward contracts with notional amounts aggregating $3,096,000 to hedge its exposure to foreign currency rate fluctuations in expected foreign currency transactions. These contracts expire on various dates beginning in the third quarter of 2012 and ending in the first quarter of 2014. These forward contracts are designated as cash flow hedges, therefore, the changes in fair value, to the extent the forward contracts are effective, are recognized in OCI until the forward contracts expire and are recognized in cost of sales and operating expenses.

Fair Value of Derivative Instruments

The following table sets forth the fair value of the Company's derivative instruments recorded as liabilities located on the consolidated balance sheet at June 30, 2012 and December 31, 2011 (in thousands):

Liability Derivatives	Balance Sheet Location	June 30, 2012		December 31, 2011
Derivatives designated as hedging instruments under ASC 815:
Foreign currency contracts	Other accrued liabilities	$	118	$	363
Foreign currency contracts	Other long-term liabilities		19		32
Interest rate contracts	Other accrued liabilities		5,579	─
Interest rate contracts	Other long-term liabilities	─			9,202
Total derivatives designated as hedging instruments under ASC 815		$	5,716	$	9,597
Total liability derivatives		$	5,716	$	9,597

Fair value amounts were derived as of June 30, 2012 and December 31, 2011 utilizing fair value models of the Company and its counterparties on the Company's portfolio of derivative instruments. These fair value models use the income approach that relies on inputs such as yield curves, currency exchange rates and forward prices. The fair value of the Company's derivative instruments is described above in Note 5, Fair Value Measurements.

Cash Flow Hedges

For derivative instruments that are designated and qualify as cash flow hedges, the effective portion of the gain or loss on the derivative is reported as a component of OCI and reclassified into earnings in the same period or periods during which the hedged transaction affects earnings. Gains and losses on the derivative representing either hedge ineffectiveness or hedge components excluded from the assessment of effectiveness are recognized in current earnings. Any ineffectiveness related to the Company's hedges was not material for any of the periods presented.

The following table sets forth the location and amount of gains and losses on the Company's derivative instruments in the consolidated statements of earnings for the three months and six months ended June 30, 2012 and 2011 (in thousands):

		Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)				Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
	Location of Gain (Loss) Reclassified from	Three months ended				Three months ended
Derivatives in ASC 815 Cash	Accumulated OCI into Income	June 30,				June 30,
Flow Hedging Relationships:	(Effective Portion)	2012		2011		2012			2011
Interest rate contracts	Interest expense	$	2,030	$	694	$	(2,056	)	$	(2,152	)
Foreign exchange contracts	Cost and sales of operating expenses		172		309		─			(43)
Total		$	2,202	$	1,003	$	(2,056	)	$	(2,195	)

		Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)					Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
	Location of Gain (Loss) Reclassified from	Six months ended					Six months ended
Derivatives in ASC 815 Cash	Accumulated OCI into Income	June 30,					June 30,
Flow Hedging Relationships:	(Effective Portion)	2012		2011			2012			2011
Interest rate contracts	Interest expense	$	3,623	$	2,655		$	(4,100	)	$	(4,277	)
Foreign exchange contracts	Cost and sales of operating expenses		249		(551	)		(2	)		(43)
Total		$	3,872	$	2,104		$	(4,102	)	$	(4,320	)

           The Company anticipates $3,626,000 of net losses on interest rate swap agreements included in accumulated OCI will be transferred into earnings over the next year based on current interest rates. Gains or losses on interest rate swap agreements offset increases or decreases in rates of the underlying debt, which results in a fixed rate for the underlying debt. The Company also expects $69,000 of net losses on foreign currency contracts included in accumulated OCI will be transferred into earnings over the next year based on current spot rates.

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Stock Award Plans

6 Months Ended

Jun. 30, 2012

Stock Award Plans [Abstract]

Stock Award Plans

(7) STOCK AWARD PLANS

The Company has share-based compensation plans which are described below. The compensation cost that has been charged against earnings for the Company's stock award plans and the income tax benefit recognized in the statement of earnings for stock awards for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2012		2011		2012		2011
Compensation cost	$	2,583	$	2,530	$	4,489	$	4,490
Income tax benefit	$	987	$	973	$	1,715	$	1,720

The Company has an employee stock award plan for selected officers and other key employees, which provides for the issuance of stock options, restricted stock and performance awards payable in cash or stock. The exercise price for each option equals the fair market value per share of the Company's common stock on the date of grant. The terms of the options granted prior to January 25, 2010 are five years and vest ratably over three years. Options granted on or after January 25, 2010 have terms of seven years and vest ratably over three years. No performance awards payable in stock have been made under the plan. At June 30, 2012, 2,905,582 shares were available for future grants under the employee plan and no outstanding stock options under the employee plan were issued with stock appreciation rights.

On February 15, 2012, the Board of Directors approved amendments to the employee plan, subject to stockholder approval, to (1) increase the number of shares that may be issued under the plan from 3,000,000 shares to 5,000,000 shares and (2) increase the maximum amount of cash that may be paid to any participant pursuant to any performance awards under the plan during any calendar year from $3,000,000 to $5,000,000.  The amendments were approved by the stockholders at the Annual Meeting of Stockholders held on April 24, 2012.

           The following is a summary of the stock option activity under the employee plan described above for the six months ended June 30, 2012:

	Outstanding Non-Qualified or Nonincentive Stock Awards		Weighted Average Exercise Price
Outstanding at December 31, 2011		445,674	$	36.81
Granted		99,906	$	65.80
Exercised		─	$	─
Forfeited		(1,635)	$	58.28
Outstanding at June 30, 2012		543,945	$	42.07

The following table summarizes information about the Company's outstanding and exercisable stock options under the employee plan at June 30, 2012:

		Options Outstanding							Options Exercisable
Range of Exercise Prices		Number Outstanding	Weighted Average Remaining Contractual Life in Years		Weighted Average Exercise Price		Aggregate Intrinsic Value		Number Exercisable		Weighted Average Exercise Price		Aggregate Intrinsic Value
$	23.98 - $32.56	226,450		2.9	$	27.72				193,115	$	26.90
$	34.40 - $36.35	24,000		1.9	$	34.73				22,666	$	34.63
$	46.74 - $48.65	192,772		3.2	$	47.48				125,718	$	47.87
$	58.28 - $66.72	100,723		6.6	$	65.74				817	$	58.28
$	23.98 - $66.72	543,945		3.7	$	42.07	$	2,724,000		342,316	$	35.19	$	4,070,000

The following is a summary of the restricted stock award activity under the employee plan described above for the six months ended June 30, 2012:

	Unvested Restricted Stock Award Shares			Weighted Average Grant Date Fair Value Per Share
Nonvested balance at December 31, 2011		475,632		$	36.43
Granted		120,913		$	67.88
Vested		(162,226	)	$	34.96
Forfeited		(7,192	)	$	57.02
Nonvested balance at June 30, 2012		427,127		$	45.55

The Company has a director stock award plan for nonemployee directors of the Company which provides for the issuance of stock options and restricted stock.  The director plan provides for the automatic grants of stock options and restricted stock to nonemployee directors on the date of first election as a director and after each annual meeting of stockholders. In addition, the director plan allows for the issuance of stock options or restricted stock in lieu of cash for all or part of the annual director fee at the option of the director. The exercise prices for all options granted under the plan are equal to the fair market value per share of the Company's common stock on the date of grant. The terms of the options are ten years. The options granted to a director when first elected vest immediately. The options granted and restricted stock issued after each annual meeting of stockholders vest six months after the date of grant. Options granted and restricted stock issued in lieu of cash director fees vest in equal quarterly increments during the year to which they relate. At June 30, 2012, 685,535 shares were available for future grants under the director plan. The director stock award plan is intended as an incentive to attract and retain qualified and competent independent directors.

On February 15, 2012, the Board of Directors approved amendments to the director plan, subject to stockholder approval, to increase the number of shares that may be issued under the plan from 1,000,000 shares to 1,500,000 shares.  The amendment was approved by the stockholders at the Annual Meeting of Stockholders held on April 24, 2012.

The following is a summary of the stock option activity under the director plan described above for the six months ended June 30, 2012:

	Outstanding Non-Qualified or Nonincentive Stock Awards			Weighted Average Exercise Price
Outstanding at December 31, 2011		353,625		$	39.05
Granted		56,306		$	62.48
Exercised		(43,993	)	$	28.41
Outstanding at June 30, 2012		365,938		$	43.94

The following table summarizes information about the Company's outstanding and exercisable stock options under the director plan at June 30, 2012:

		Options Outstanding							Options Exercisable
Range of Exercise Prices		Number Outstanding	Weighted Average Remaining Contractual Life in Years		Weighted Average Exercise Price		Aggregate Intrinsic Value		Number Exercisable		Weighted Average Exercise Price		Aggregate Intrinsic Value
$	12.69 - $17.88	30,000		1.4	$	15.81				30,000	$	15.81
$	20.28 - $29.60	48,000		5.3	$	26.10				48,000	$	26.10
$	35.17 - $36.82	74,036		4.2	$	35.86				74,036	$	35.86
$	41.24 - $62.48	213,902		8.2	$	54.68				158,172	$	51.93
$	12.69 - $62.48	365,938		6.4	$	43.94	$	1,150,000		310,208	$	40.61	$	2,008,000

The following is a summary of the restricted stock award activity under the director plan described above for the six months ended June 30, 2012:

	Unvested Restricted Stock Award Shares			Weighted Average Grant Date Fair Value Per Share
Nonvested balance at December 31, 2011		1,748		$	58.07
Granted		10,383		$	62.99
Vested		(2,093	)	$	58.88
Nonvested balance at June 30, 2012		10,038		$	62.99

The total intrinsic value of all stock options exercised under all of the Company's plans was $1,612,000 and $1,477,000 for the six months ended June 30, 2012 and 2011, respectively. The actual tax benefit realized for tax deductions from stock option exercises was $616,000 and $566,000 for the six months ended June 30, 2012 and 2011, respectively.

The total intrinsic value of all the restricted stock vestings under all of the Company's plans was $11,004,000 and $7,199,000 for the six months ended June 30, 2012 and 2011, respectively. The actual tax benefit realized for tax deductions from restricted stock vestings was $4,204,000 and $2,757,000 for the six months ended June 30, 2012 and 2011, respectively.

As of June 30, 2012, there was $3,856,000 of unrecognized compensation cost related to nonvested stock options and $17,270,000 related to restricted stock. The stock options are expected to be recognized over a weighted average period of approximately 1.5 years and restricted stock over approximately 3.1 years. The total fair value of options vested was $1,326,000 and $1,438,000 during the six months ended June 30, 2012 and 2011, respectively. The fair value of the restricted stock vested was $11,004,000 and $7,199,000 for the six months ended June 30, 2012 and 2011, respectively.

The weighted average per share fair value of stock options granted during the six months ended June 30, 2012 and 2011 was $22.15 and $18.81, respectively. The fair value of the stock options granted during the six months ended June 30, 2012 and 2011 was $3,461,000 and $3,031,000, respectively. The Company currently uses treasury stock shares for restricted stock grants and stock option exercises. The fair value of each stock option was determined using the Black-Scholes option pricing model. The key input variables used in valuing the options during the six months ended June 30, 2012 and 2011 were as follows:

	Six months ended June 30,
	2012			2011
Dividend yield	None			None
Average risk-free interest rate		1.1	%		2.4	%
Stock price volatility		33	%		33	%
Estimated option term	Six years or seven years			Six years or seven years

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Segment Data

6 Months Ended

Jun. 30, 2012

Segment Data [Abstract]

Segment Data

(9) SEGMENT DATA

The Company's operations are classified into two reportable business segments as follows:

Marine Transportation - Marine transportation principally by United States flag vessels of liquid cargoes throughout the United States inland waterway system, along all three United States coasts, Alaska and Hawaii and, to a lesser extent, United States coastal transportation of dry-bulk cargoes. The principal products transported include petrochemicals, black oil products, refined petroleum products and agricultural chemicals.

Diesel Engine Services - Provides after-market services for medium-speed and high-speed diesel engines, reduction gears and ancillary products for marine and power generation applications, and distributes and services high-speed diesel engines, transmissions, pumps and compression products, and manufactures and remanufactures oilfield service equipment, including hydraulic fracturing equipment, for the land-based pressure pumping and oilfield service markets.

The following table sets forth the Company's revenues and profit or loss by reportable segment for the three months and six months ended June 30, 2012 and 2011 and total assets as of June 30, 2012 and December 31, 2011 (in thousands):

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
Revenues:
Marine transportation	$	342,195		$	266,612		$	678,152		$	508,289
Diesel engine services		169,653			170,719			400,631			228,401
		>			>			>			>
	$	511,848		$	437,331		$	1,078,783		$	736,690
		>			>			>			>
Segment profit (loss):
Marine transportation	$	71,730		$	58,361		$	140,220		$	111,059
Diesel engine services		15,118			17,611			38,672			24,217
Other		(9,021	)		(7,693	)		(17,696	)		(14,136	)
		>			>			>			>
	$	77,827		$	68,279		$	161,196		$	121,140

	June 30, 2012		December 31, 2011
Total assets:
Marine transportation	$	2,383,484	$	2,307,821
Diesel engine services		648,597		608,886
Other		34,204		43,704
	$	3,066,285	$	2,960,411

The following table presents the details of "Other" segment loss for the three months and six months ended June 30, 2012 and 2011 (in thousands):

	Three months ended June 30,						Six months ended June 30,
	2012			2011			2012			2011
General corporate expenses	$	(3,219	)	$	(4,533	)	$	(6,175	)	$	(8,128	)
Gain (loss) on disposition of assets		69			40			41			(26	)
Interest expense		(5,901	)		(3,278	)		(11,741	)		(6,111	)
Other income		30			78			179			129
		>			>			>			>
	$	(9,021	)	$	(7,693	)	$	(17,696	)	$	(14,136	)
		>			>			>			>

The following table presents the details of "Other" total assets as of June 30, 2012 and December 31, 2011 (in thousands):

	June 30, 2012		December 31, 2011
General corporate assets	$	30,340	$	40,022
Investment in affiliates		3,864		3,682
	$	34,204	$	43,704

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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Inventories [Abstract]
Finished goods	$ 144,188	$ 111,931
Work in process	26,664	18,199
Inventory, Net, Total	$ 170,852	$ 130,130

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Accounting Standards Adoptions (Policies)

6 Months Ended

Jun. 30, 2012

Accounting Standards Adoptions [Abstract]

New Accounting Pronouncements, Policy

(2) ACCOUNTING STANDARDS ADOPTIONS

In June 2011, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2011-05, "Comprehensive Income (Topic 220): Presentation of Comprehensive Income." ASU 2011-05 requires entities to present components of comprehensive income in either a single continuous statement of comprehensive income or two separate but consecutive statements that would include reclassification adjustments for items that are reclassified from other comprehensive income ("OCI") to net income on the face of the financial statements. This ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011.  The adoption of ASU 2011-05 in the first quarter of 2012 did not have an impact on the Company's consolidated financial statements except that the Company has applied these provisions to its presentation of consolidated financial statements.

In December 2011, the FASB issued ASU 2011-12, "Comprehensive Income (Topic 220): Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards Update No. 2011-05" ("ASU 2011-12"). The amendments to the Codification in ASU 2011-12 are effective at the same time as the amendments in ASU 2011-05, so that entities will not be required to comply with the presentation requirements in ASU 2011-05 that ASU 2011-12 is deferring. The amendments are being made to allow the FASB time to reevaluate whether to present on the face of the financial statements the effects of reclassifications out of accumulated OCI on the components of net income and OCI for all periods presented. ASU 2011-12 will be effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. The adoption of ASU 2011-12 did not have a material impact on the Company's consolidated financial statements.

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Stock Award Plans (Tables)

6 Months Ended

Jun. 30, 2012

Stock Award Plans [Abstract]

Compensation Cost Breakdown In Statement Of Earnings

The Company has share-based compensation plans which are described below. The compensation cost that has been charged against earnings for the Company's stock award plans and the income tax benefit recognized in the statement of earnings for stock awards for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2012		2011		2012		2011
Compensation cost	$	2,583	$	2,530	$	4,489	$	4,490
Income tax benefit	$	987	$	973	$	1,715	$	1,720

Summary Of Stock Option Activity Under Employee Plans

           The following is a summary of the stock option activity under the employee plan described above for the six months ended June 30, 2012:

	Outstanding Non-Qualified or Nonincentive Stock Awards		Weighted Average Exercise Price
Outstanding at December 31, 2011		445,674	$	36.81
Granted		99,906	$	65.80
Exercised		─	$	─
Forfeited		(1,635)	$	58.28
Outstanding at June 30, 2012		543,945	$	42.07

The following table summarizes information about the Company's outstanding and exercisable stock options under the employee plan at June 30, 2012:

		Options Outstanding							Options Exercisable
Range of Exercise Prices		Number Outstanding	Weighted Average Remaining Contractual Life in Years		Weighted Average Exercise Price		Aggregate Intrinsic Value		Number Exercisable		Weighted Average Exercise Price		Aggregate Intrinsic Value
$	23.98 - $32.56	226,450		2.9	$	27.72				193,115	$	26.90
$	34.40 - $36.35	24,000		1.9	$	34.73				22,666	$	34.63
$	46.74 - $48.65	192,772		3.2	$	47.48				125,718	$	47.87
$	58.28 - $66.72	100,723		6.6	$	65.74				817	$	58.28
$	23.98 - $66.72	543,945		3.7	$	42.07	$	2,724,000		342,316	$	35.19	$	4,070,000

The following is a summary of the stock option activity under the director plan described above for the six months ended June 30, 2012:

	Outstanding Non-Qualified or Nonincentive Stock Awards			Weighted Average Exercise Price
Outstanding at December 31, 2011		353,625		$	39.05
Granted		56,306		$	62.48
Exercised		(43,993	)	$	28.41
Outstanding at June 30, 2012		365,938		$	43.94

The following table summarizes information about the Company's outstanding and exercisable stock options under the director plan at June 30, 2012:

		Options Outstanding							Options Exercisable
Range of Exercise Prices		Number Outstanding	Weighted Average Remaining Contractual Life in Years		Weighted Average Exercise Price		Aggregate Intrinsic Value		Number Exercisable		Weighted Average Exercise Price		Aggregate Intrinsic Value
$	12.69 - $17.88	30,000		1.4	$	15.81				30,000	$	15.81
$	20.28 - $29.60	48,000		5.3	$	26.10				48,000	$	26.10
$	35.17 - $36.82	74,036		4.2	$	35.86				74,036	$	35.86
$	41.24 - $62.48	213,902		8.2	$	54.68				158,172	$	51.93
$	12.69 - $62.48	365,938		6.4	$	43.94	$	1,150,000		310,208	$	40.61	$	2,008,000

Summary Of Restricted Stock Award Activity

The following is a summary of the restricted stock award activity under the employee plan described above for the six months ended June 30, 2012:

	Unvested Restricted Stock Award Shares			Weighted Average Grant Date Fair Value Per Share
Nonvested balance at December 31, 2011		475,632		$	36.43
Granted		120,913		$	67.88
Vested		(162,226	)	$	34.96
Forfeited		(7,192	)	$	57.02
Nonvested balance at June 30, 2012		427,127		$	45.55

The following is a summary of the restricted stock award activity under the director plan described above for the six months ended June 30, 2012:

	Unvested Restricted Stock Award Shares			Weighted Average Grant Date Fair Value Per Share
Nonvested balance at December 31, 2011		1,748		$	58.07
Granted		10,383		$	62.99
Vested		(2,093	)	$	58.88
Nonvested balance at June 30, 2012		10,038		$	62.99

Summary Of Stock Option Valuation Assumptions

The weighted average per share fair value of stock options granted during the six months ended June 30, 2012 and 2011 was $22.15 and $18.81, respectively. The fair value of the stock options granted during the six months ended June 30, 2012 and 2011 was $3,461,000 and $3,031,000, respectively. The Company currently uses treasury stock shares for restricted stock grants and stock option exercises. The fair value of each stock option was determined using the Black-Scholes option pricing model. The key input variables used in valuing the options during the six months ended June 30, 2012 and 2011 were as follows:

	Six months ended June 30,
	2012			2011
Dividend yield	None			None
Average risk-free interest rate		1.1	%		2.4	%
Stock price volatility		33	%		33	%
Estimated option term	Six years or seven years			Six years or seven years

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Taxes On Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Taxes On Income [Abstract]
Earnings before taxes on income - United States	$ 77,827	$ 68,279	$ 161,196	$ 121,140
Provision for taxes - Federal [Abstract]
Current	10,416	12,982	20,096	16,985
Deferred	15,591	9,930	33,774	23,740
State and local	3,385	3,138	7,012	5,286
Total Provision for taxes on income	$ 29,392	$ 26,050	$ 60,882	$ 46,011

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Consolidated Statements Of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements Of Comprehensive Income [Abstract]
Net earnings	$ 48,435	$ 42,229	$ 100,314	$ 75,129
Other comprehensive income (loss), net of taxes:
Pension and postretirement benefits	(1,268)	(122)	(279)	217
Foreign currency translation adjustments	152	0	447	0
Change in fair value of derivatives instruments	1,420	631	2,500	1,508
Total comprehensive income (loss), net of taxes	304	509	2,668	1,725
Total comprehensive income, net of taxes	48,739	42,738	102,982	76,854
Net earnings attributable to noncontrolling interests	(884)	(537)	(1,819)	(1,007)
Comprehensive income attributable to Kirby	$ 47,855	$ 42,201	$ 101,163	$ 75,847

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Acquisitions

6 Months Ended

Jun. 30, 2012

Acquisitions [Abstract]

Acquisitions

 (3) ACQUISITIONS

On December 15, 2011, the Company completed the purchase of the coastal tank barge fleet of Seaboats, Inc. and affiliated companies ("Seaboats") consisting of three 80,000 barrel coastal tank barges and tugboats for $42,745,000 in cash. The three coastal tank barges and tugboats currently operate along the United States East Coast and had an average age of five years.

On July 1, 2011, the Company completed the acquisition of K-Sea Transportation Partners L.P. ("K-Sea"), an operator of tank barges and tugboats participating in the coastal transportation primarily of refined petroleum products in the United States. The total value of the transaction was $603,427,000, excluding transaction fees, consisting of $227,617,000 of cash paid to K-Sea common and preferred unit holders and the general partner, $262,791,000 of cash to retire K-Sea's outstanding debt, and $113,019,000 through the issuance of 1,939,234 shares of Company common stock valued at $58.28 per share, the Company's closing share price on July 1, 2011.

On April 17, 2012, the Company changed the name of K-Sea to Kirby Offshore Marine, LLC ("Kirby Offshore Marine") to more fully integrate the Company's coastal operations with the Company's inland marine transportation operations.  The acquired company is referred to in this report as either K-Sea or Kirby Offshore Marine, depending on the context.

On the acquisition date, Kirby Offshore Marine's fleet, comprised of 57 coastal tank barges with a capacity of 3.8 million barrels and 63 tugboats, operated along the East Coast, West Coast and Gulf Coast of the United States, as well as in Alaska and Hawaii. Kirby Offshore Marine's tank barge fleet, 54 of which were double hulled and had an average age of approximately nine years, is one of the youngest fleets in the coastal trade. Kirby Offshore Marine's customers include major oil companies and refiners, many of which are current Company customers for inland tank barge services. Kirby Offshore Marine has operating facilities in New York, Philadelphia, Seattle and Honolulu.

On April 15, 2011, the Company purchased United Holdings LLC ("United"), a distributor and service provider of engine and transmission related products for the oil and gas services, power generation and on-highway transportation industries, and manufacturer of oilfield service equipment. The purchase price was $271,192,000 in cash, plus a three-year earnout provision for up to an additional $50,000,000 payable in 2014, dependent on achieving certain financial targets. United, headquartered in Oklahoma City, Oklahoma with 21 locations across seven states, distributes and services equipment and parts for Allison Transmission ("Allison"), MTU Detroit Diesel ("MTU"), Daimler Trucks NA ("Daimler"), and other diesel and natural gas engines. United also manufactures oilfield service equipment, including hydraulic fracturing equipment. United's principal customers are oilfield service companies, oil and gas operators and producers, compression companies and on-highway transportation companies.

On February 24, 2011, the Company purchased 21 inland and offshore tank barges and 15 inland towboats and offshore tugboats from Enterprise Marine Services LLC ("Enterprise") for $53,200,000 in cash. Enterprise provided transportation and delivery services for ship bunkers (engine fuel) to cruise ships, container ships and freighters primarily in the Miami, Port Everglades and Cape Canaveral, Florida area, the three largest cruise ship ports in the United States, as well as Tampa, Florida, Mobile, Alabama and Houston, Texas.

On February 9, 2011, the Company purchased from Kinder Morgan Petcoke, L.P. ("Kinder Morgan") for $4,050,000 in cash a 51% interest in Kinder Morgan's shifting operation and fleeting facility for dry cargo barges and tank barges on the Houston Ship Channel. Kinder Morgan retained the remaining 49% interest and the Company will manage the operation. In addition, the Company purchased a towboat from Kinder Morgan for $1,250,000 in cash.

The following unaudited pro forma results present consolidated financial information as if the United and K-Sea acquisitions had been completed as of January 1, 2011. The pro forma results do not include the acquisitions of Seaboats, Enterprise and Kinder Morgan described above as the effect of these acquisitions would not be materially different from the Company's actual results.

The pro forma results include the amortization associated with the acquired intangible assets, interest expense associated with the debt used to fund a portion of the acquisitions, the impact of the additional shares issued in connection with the K-Sea acquisition, the impact of certain fair value adjustments such as depreciation adjustments related to adjustments to property and equipment and standardization of accounting policies. The pro forma results do not include any cost savings or potential synergies related to the acquisitions nor any integration costs. The pro forma results should not be considered indicative of the results of operations or financial position of the combined companies had the acquisitions been consummated as of January 1, 2011 and are not necessarily indicative of results of future operations of the Company.

The following table sets forth the Company's pro forma revenues, net earnings attributable to Kirby, basic net earnings per share and fully diluted net earnings per share attributable to Kirby common stockholders (unaudited and in thousands, except per share amounts):

	Three months ended June 30,				Six months ended June 30,
	2012		2011 Pro forma		2012		2011 Pro forma
Revenues	$	511,848	$	528,025	$	1,078,783	$	992,177
Net earnings attributable to Kirby	$	47,551	$	35,367	$	98,495	$	69,583
Net earnings per share attributable to Kirby common stockholders:
Basic	$	.85	$	.64	$	1.76	$	1.25
Diluted	$	.85	$	.63	$	1.76	$	1.25

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Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2012

Other Comprehensive Income [Abstract]

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

The Company's changes in other comprehensive income for the three months and six months ended June 30, 2012 and 2011 were as follows (in thousands):

	Three months ended June 30,
	2012							2011
	Gross Amount		Income Tax (Provision) Benefit			Net Amount		Gross Amount		Income Tax (Provision) Benefit			Net Amount
Pension and postretirement benefits	$	(2,057)	$	789		$	(1,268)	$	(202)	$	80		$	(122)
Foreign currency translation adjustments		152		-			152		-		-			-
Change in fair value of derivative instruments		2,202		(782	)		1,420		1,004		(373	)		631
Total	$	297	$	7		$	304	$	802	$	(293	)	$	509

	Six months ended June 30,
	2012							2011
	Gross Amount		Income Tax (Provision) Benefit			Net Amount		Gross Amount		Income Tax (Provision) Benefit			Net Amount
Pension and postretirement benefits	$	(456)	$	177		$	(279)	$	347	$	(130	)	$	217
Foreign currency translation adjustments		447		-			447		-		-			-
Change in fair value of derivative instruments		3,872		(1,372	)		2,500		2,282		(774	)		1,508
Total	$	3,863	$	(1,195	)	$	2,668	$	2,629	$	(904	)	$	1,725

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Stock Award Plans (Details) (USD $)	3 Months Ended		6 Months Ended			6 Months Ended								6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Feb. 15, 2012	Jun. 30, 2012 First Price Range [Member]	Jun. 30, 2012 Second Price Range [Member]	Jun. 30, 2012 Third Price Range [Member]	Jun. 30, 2012 Fourth Price Range [Member]	Jun. 30, 2012 Full Exercise Price Range [Member]	Jun. 30, 2012 Employee stock award plan [Member]	Feb. 15, 2012 Employee stock award plan [Member]	Dec. 31, 2010 Employee stock award plan [Member]	Jun. 30, 2012 2000 Director Plan [Member]	Jun. 30, 2012 2000 Director Plan [Member] First Price Range [Member]	Jun. 30, 2012 2000 Director Plan [Member] Second Price Range [Member]	Jun. 30, 2012 2000 Director Plan [Member] Third Price Range [Member]	Jun. 30, 2012 2000 Director Plan [Member] Fourth Price Range [Member]	Jun. 30, 2012 2000 Director Plan [Member] Full Exercise Price Range [Member]	Jun. 30, 2012 Employee stock award plan - options granted after to January 25, 2010 [Member]	Jun. 30, 2012 Employee stock award plan - options granted prior to January 25, 2010 [Member]	Jun. 30, 2012 Stock Options [Member]	Jun. 30, 2011 Stock Options [Member]	Jun. 30, 2012 Stock Options [Member] Maximum [Member]	Jun. 30, 2011 Stock Options [Member] Maximum [Member]	Jun. 30, 2012 Stock Options [Member] Minimum [Member]	Jun. 30, 2011 Stock Options [Member] Minimum [Member]	Jun. 30, 2012 Stock Options [Member] Employee stock award plan [Member]	Jun. 30, 2012 Stock Options [Member] Employee stock award plan [Member] First Price Range [Member]	Jun. 30, 2012 Stock Options [Member] Employee stock award plan [Member] Second Price Range [Member]	Jun. 30, 2012 Stock Options [Member] Employee stock award plan [Member] Third Price Range [Member]	Jun. 30, 2012 Stock Options [Member] Employee stock award plan [Member] Fourth Price Range [Member]	Jun. 30, 2012 Stock Options [Member] Employee stock award plan [Member] Full Exercise Price Range [Member]	Jun. 30, 2012 Stock Options [Member] 2000 Director Plan [Member]	Jun. 30, 2012 Stock Options [Member] 2000 Director Plan [Member] First Price Range [Member]	Jun. 30, 2012 Stock Options [Member] 2000 Director Plan [Member] Second Price Range [Member]	Jun. 30, 2012 Stock Options [Member] 2000 Director Plan [Member] Third Price Range [Member]	Jun. 30, 2012 Stock Options [Member] 2000 Director Plan [Member] Fourth Price Range [Member]	Jun. 30, 2012 Stock Options [Member] 2000 Director Plan [Member] Full Exercise Price Range [Member]	Jun. 30, 2012 Restricted Stock [Member]
Stock Award Plans [Abstract]
Compensation cost	$ 2,583,000	$ 2,530,000	$ 4,489,000	$ 4,490,000
Income tax benefit	987,000	973,000	1,715,000	1,720,000
Stock Award Plan Information [Abstract]
Term of grant																				7 years	5 years
Vesting period														restricted stock issued after each annual meeting of stockholders vest six months after the date of grant						vest ratably over three years	vest ratably over three years
Shares available for future grants (in shares)											2,905,582			685,535
Number of shares authorized under the plan (in shares)					1,000,000							3,000,000
Number of shares authorized after the amendment under the plan (in shares)					1,500,000							5,000,000
Elected director first grant vesting period														The options granted to a director when first elected vest immediately
Outstanding Non-Qualified or Nonincentive Stock Awards [Roll Forward]
Outstanding at Period Start, Outstanding Non-Qualified or Nonincentive Stock Awards (in shares)																												445,674						353,625
Granted, Outstanding Non-Qualified or Nonincentive Stock Awards (in shares)																												99,906						56,306
Exercised, Outstanding Non-Qualified or Nonincentive Stock Awards (in shares)																												0						(43,993)
Forfeited, Outstanding Non-Qualified or Nonincentive Stock Awards (in shares)																												(1,635)
Outstanding at Period End, Outstanding Non-Qualified or Nonincentive Stock Awards (in shares)																												543,945						365,938
Weighted Average Exercise Price [Abstract]
Outstanding at Period Start, Weighted Average Exercise Price (in dollars per share)																												$ 36.81						$ 39.05
Granted, Weighted Average Exercise Price (in dollars per share)																												$ 65.80						$ 62.48
Exercised, Weighted Average Exercise Price (in dollars per share)																												$ 0						$ 28.41
Forfeited, Weighted Average Exercise Price (in dollars per share)																												$ 58.28
Outstanding at Period End, Weighted Average Exercise Price (in dollars per share)																												$ 42.07						$ 43.94
Outstanding and Exercisable Stock options [Abstract]
Range of Exercise Prices, lower limit (in dollars per share)																													$ 23.98	$ 34.40	$ 46.74	$ 58.28	$ 23.98		$ 12.69	$ 20.28	$ 35.17	$ 41.24	$ 12.69
Range of Exercise Prices, upper limit (in dollars per share)																													$ 32.56	$ 36.35	$ 48.65	$ 66.72	$ 66.72		$ 17.88	$ 29.60	$ 36.82	$ 62.48	$ 62.48
Options Outstanding [Abstract]
Number Outstanding (in shares)						226,450	24,000	192,772	100,723	543,945					30,000	48,000	74,036	213,902	365,938
Weighted Average Remaining Contractual Life (in years)						2 years 10 months 24 days	1 year 10 months 24 days	3 years 2 months 12 days	6 years 7 months 6 days	3 years 8 months 12 days					1 year 4 months 24 days	5 years 3 months 18 days	4 years 2 months 12 days	8 years 2 months 12 days	6 years 4 months 24 days
Weighted Average Exercise Price, Options Outstanding (in dollars per share)						$ 27.72	$ 34.73	$ 47.48	$ 65.74	$ 42.07					$ 15.81	$ 26.10	$ 35.86	$ 54.68	$ 43.94
Aggregate Intrinsic Value, Options Outstanding										2,724,000									1,150,000
Options Exercisable [Abstract]
Number Exercisable (in shares)						193,115	22,666	125,718	817	342,316					30,000	48,000	74,036	158,172	310,208
Weighted Average Exercise Price, Options Exercisable (in dollars per share)						$ 26.90	$ 34.63	$ 47.87	$ 58.28	$ 35.19					$ 15.81	$ 26.10	$ 35.86	$ 51.93	$ 40.61
Aggregate Intrinsic Value, Options Exercisable	4,070,000		4,070,000																2,008,000
Unvested Restricted Stock Award Shares [Roll Forward]
Nonvested Balance Beginning of Period, Unvested Restricted Stock Award Shares (in shares)													475,632	1,748
Granted, Unvested Restricted Stock Award Shares (in shares)											120,913			10,383
Vested, Unvested Restricted Stock Award Shares (in shares)											(162,226)			(2,093)
Forfeited, Unvested Restricted Stock Award Shares (in shares)											(7,192)
Nonvested Balance End of Period, Unvested Restricted Stock Award Shares (in shares)											427,127		475,632	10,038
Weighted Average Grant Date Fair Value Per Share [Abstract]
Nonvested Balance Beginning of Period, Weighted Average Grant Date Fair Value Per Share (in dollars per share)													$ 36.43	$ 58.07
Granted, Weighted Average Grant Date Fair Value Per Share (in dollars per share)											$ 67.88			$ 62.99
Vested, Weighted Average Grant Date Fair Value Per Share (in dollars per share)											$ 34.96			$ 58.88
Forfeited, Weighted Average Grant Date Fair Value Per Share (in dollars per share)											$ 57.02
Nonvested Balance End of Period, Weighted Average Grant Date Fair Value Per Share (in dollars per share)											$ 45.55		$ 36.43	$ 62.99
Share-based Compensation Plans Combined Disclosure [Abstract]
Intrinsic value of stock options exercised			1,612,000	1,477,000
Tax benefit from stock options exercised			616,000	566,000
Intrinsic value of restricted stock vestings			11,004,000	7,199,000
Tax benefit from restricted stock vestings			4,204,000	2,757,000
Unrecognized compensation cost related to unvested awards																						3,856,000																		17,270,000
Weighted average period of recognition (in years)																						1.5																		3.1
Fair value of options vested			1,326,000	1,438,000
Fair value of restricted stock vested			11,004,000	199,000
Fair value of stock options granted (in dollars per share)			$ 22.15	$ 18.81
Fair value of stock options granted			$ 3,461,000	$ 3,031,000
Fair Value Assumptions [Abstract]
Dividend yield (in hundredths)																						0.00%	0.00%
Average risk-free interest rate (in hundredths)																						1.10%	2.40%
Stock price volatility (in hundredths)																						33.00%	33.00%
Estimated option term (in years)																								7	7	6	6

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Contingencies

6 Months Ended

Jun. 30, 2012

Contingencies [Abstract]

Contingencies

(13) CONTINGENCIES

In June 2011, the Company as well as three other companies received correspondence from United States Environmental Protection Agency ("EPA") concerning ongoing cleanup and restoration activities under the Comprehensive Environmental Response, Compensation and Liability Act ("CERCLA") with respect to a Superfund site, the Gulfco Marine Maintenance Site ("Gulfco"), located in Freeport, Texas. In prior years, various subsidiaries of the Company utilized a successor to Gulfco to perform tank barge cleaning services, sand blasting and repair on certain Company vessels. The EPA continues to investigate activities at the site to assess additional Potentially Responsible Parties ("PRPs"). Since 2005, four named PRPs have participated in the investigation, cleanup and restoration of the site under an administrative order from EPA. Information received to date indicates that approximately $3,500,000 has been incurred in connection with the cleanup effort in addition to EPA's oversight costs of approximately $1,800,000. To date, neither the EPA nor the named PRPs have performed an allocation of potential liability in connection with the site nor have they provided requested supporting documentation for costs and expenses related to the site. The Company is investigating its activities at the site in order to assess what, if any, liability it has in connection with the site.

In 2009, the Company was named a PRP in addition to a group of approximately 250 named PRPs under CERCLA with respect to a Superfund site, the Portland Harbor Superfund site ("Portland Harbor") in Portland, Oregon. The site was declared a Superfund site in December 2000 as a result of historical heavily industrialized use due to manufacturing, shipbuilding, petroleum storage and distribution, metals salvaging, and electrical power generation activities which led to contamination of Portland Harbor, an urban and industrial reach of the lower Willamette River located immediately downstream of downtown Portland. The Company's involvement arises from four spills at the site after it was declared a Superfund site, as a result of predecessor entities' actions in the area. To date, there is no information suggesting the extent of the costs or damages to be claimed from the 250 noticed PRPs. Based on the nature of the involvement at the Portland Harbor site, the Company believes its potential contribution is de minimis; however, to date neither the EPA nor the named PRPs have performed an allocation of potential liability in connection with the site nor have they provided costs and expenses in connection with the site.

In 2000, the Company and a group of approximately 45 other companies were notified that they are PRPs under CERCLA with respect to a Superfund site, the Palmer Barge Line Superfund Site ("Palmer"), located in Port Arthur, Texas. In prior years, Palmer had provided tank barge cleaning services to various subsidiaries of the Company. The Company and three other PRPs entered into an agreement with the EPA to perform a remedial investigation and feasibility study and, subsequently, a limited remediation was performed and is now complete. During the 2007 third quarter, five new PRPs entered into an agreement with the EPA related to the Palmer site. In July 2008, the EPA sent a letter to approximately 30 PRPs for the Palmer site, including the Company, indicating that it intends to pursue recovery of $2,949,000 of costs it incurred in relation to the site. The Company and the other PRPs submitted recommended pro rata allocations of costs among all PRPs to the EPA and the U.S. Department of Justice ("DOJ") in order to resolve the EPA's past costs claim which is under consideration by the DOJ.

In 2000, the Company and approximately 50 other companies were notified that they are PRPs under CERCLA with respect to a Superfund site, the State Marine of Port Arthur Superfund Site ("State Marine"), located in Port Arthur, Texas. In the past, State Marine performed tank barge cleaning and services for various subsidiaries of the Company. In March 2010, the DOJ and EPA issued a letter to seven PRPs, which include the former owners/operator of the site and others, including the Company, indicating their intent to pursue reimbursement of its past costs of approximately $2,977,000 in connection with clean-up activities in relation to the site. The Company and the other PRPs are engaged in discussions with the DOJ to negotiate a resolution of this matter.

With respect to the above sites, the Company has recorded reserves, if applicable, for its estimated potential liability for its portion of the EPA's past costs claim based on information developed to date including various factors such as the Company's liability in proportion to other responsible parties and the extent to which such costs are recoverable from third parties.

On July 25, 2011, a subsidiary of the Company was named as a defendant in the U.S. District Court for the Southern District of Texas - Galveston Division, in a complaint styled Figgs. v. Kirby Inland Marine, et al., which alleges that the plaintiff individually as a vessel tankerman, and on behalf of other current and former similarly situated vessel tankermen employed with the Company, is entitled to overtime pay under the Fair Labor Standards Act. Plaintiffs assert that vessel tankermen are not seamen who are expressly exempt from overtime pay provisions under the law. The case was conditionally certified as a collective action on December 22, 2011 at which time the Court prescribed a notice period for current and former employees to voluntarily participate as plaintiffs. The notice period closed on February 27, 2012. Plaintiffs seek to maintain a collective action, compensatory damages in the form of back pay, attorneys' fees, cost and liquidated damages. As this matter is in the initial stage of discovery as to the merits of the case, the Company is unable to assess the liability at this time. Accordingly, the Company is not able to estimate any amount of loss or range of loss.

On  January 30, 2012 in the U.S. District Court for the District of New Jersey in a case styled Rescue Mission of El Paso., Inc., et al. v. John J. Nicola, et al., the Company, its subsidiary, K-Sea, and current and former officers and directors of K-Sea were named defendants in a putative class action complaint asserting that during the period of January 30, 2009 to January 27, 2010, K-Sea allegedly failed to disclose certain facts regarding K-Sea's operations and financial condition, and asserting violations of Sections 10(b)(5) and 20(a) of the Securities and Exchange Act of 1934 and Rule 10b-5 thereunder. Plaintiff seeks class certification, compensatory damages, attorneys' fees and costs. The Plaintiffs filed its Amended Consolidated Complaint on behalf of the class on July 9, 2012.  The Company is preparing its response to the Complaint.  The Company believes that this suit is without merit and intends to vigorously defend itself in this matter based on the information available to the Company at this time. The Company does not expect the outcome of this matter to have a material adverse effect on its consolidated financial statements; however, there can be no assurance as to the ultimate outcome of this matter.

In addition, the Company is involved in various legal and other proceedings which are incidental to the conduct of its business, none of which in the opinion of management will have a material effect on the Company's financial condition, results of operations or cash flows. Management believes that it has recorded adequate reserves and believes that it has adequate insurance coverage or has meritorious defenses for these other claims and contingencies.

The Company has issued guaranties or obtained standby letters of credit and performance bonds supporting performance by the Company and its subsidiaries of contractual or contingent legal obligations of the Company and its subsidiaries incurred in the ordinary course of business. The aggregate notional value of these instruments is $36,215,000 at June 30, 2012, including $10,177,000 in letters of credit and $26,038,000 in performance bonds. All of these instruments have an expiration date within three years. The Company does not believe demand for payment under these instruments is likely and expects no material cash outlays to occur in connection with these instruments.