10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

________________________________________

FORM 10-Q

________________________________________

(Mark One)

ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2018              or             

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from              to             

Commission file number 1-12289

SEACOR Holdings Inc.

(Exact Name of Registrant as Specified in Its Charter)

________________________________________

Delaware	13-3542736
(State or Other Jurisdiction of Incorporation or Organization)	(IRS Employer Identification No.)
2200 Eller Drive, P.O. Box 13038,
Fort Lauderdale, Florida	33316
(Address of Principal Executive Offices)	(Zip Code)

954-523-2200

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(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  ý    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 Regulation 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  ý     No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer  x Accelerated filer  ¨ Non-accelerated filer  ¨ (Do not check if a smaller reporting company) Smaller reporting company  ¨ Emerging growth company  ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.¨

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

The total number of shares of common stock, par value $.01 per share, outstanding as of October 22, 2018 was 18,246,825. The Registrant has no other class of common stock outstanding.

SEACOR HOLDINGS INC.

Table of Contents

Part I.	Financial Information		1
	Item 1.	Financial Statements (Unaudited)	1
		Condensed Consolidated Balance Sheets as of September 30, 2018 and December 31, 2017	1
		Condensed Consolidated Statements of Income (Loss) for the Three and Nine Months Ended September 30, 2018 and 2017	2
		Condensed Consolidated Statements of Comprehensive Income (Loss) for the Three and Nine Months Ended September 30, 2018 and 2017	3
		Condensed Consolidated Statement of Changes in Equity for the Nine Months Ended September 30, 2018	4
		Condensed Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2018 and 2017	5
		Notes to Condensed Consolidated Financial Statements	6
	Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	25
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	40
	Item 4.	Controls and Procedures	41
Part II.	Other Information		42
	Item 1.	Legal Proceedings	42
	Item 1A.	Risk Factors	42
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	42
	Item 3.	Default Upon Senior Securities	42
	Item 4.	Mine Safety Disclosures	42
	Item 5.	Other Information	42
	Item 6.	Exhibits	43

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PART I—FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

SEACOR HOLDINGS INC. CONDENSED CONSOLIDATED BALANCE SHEETS (in thousands, except share data, unaudited)
	September 30, 2018			December 31, 2017
ASSETS
Current Assets:
Cash and cash equivalents	$	324,564		$	239,246
Restricted cash and restricted cash equivalents	2,990			2,982
Marketable securities	41,445			42,761
Receivables:
Trade, net of allowance for doubtful accounts of $3,465 and $2,390 in 2018 and 2017, respectively	151,217			110,465
Other	45,197			33,870
Inventories	5,139			4,377
Prepaid expenses and other	6,087			6,594
Total current assets	576,639			440,295
Property and Equipment:
Historical cost	1,403,886			1,380,469
Accumulated depreciation	(545,179		)	(502,544		)
Net property and equipment	858,707			877,925
Investments, at Equity, and Advances to 50% or Less Owned Companies	149,184			173,441
Construction Reserve Funds	5,908			51,339
Goodwill	32,767			32,761
Intangible Assets, Net	25,724			28,106
Other Assets	8,938			9,469
	$	1,657,867		$	1,613,336
LIABILITIES AND EQUITY
Current Liabilities:
Current portion of long-term debt	$	155,737		$	77,842
Accounts payable and accrued expenses	56,533			44,013
Other current liabilities	66,179			57,330
Total current liabilities	278,449			179,185
Long-Term Debt	372,657			501,505
Deferred Income Taxes	99,565			101,422
Deferred Gains and Other Liabilities	60,502			77,863
Total liabilities	811,173			859,975
Equity:
SEACOR Holdings Inc. stockholders’ equity:
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued nor outstanding	—			—
Common stock, $.01 par value, 60,000,000 shares authorized; 38,914,817 and 38,656,505 shares issued in 2018 and 2017, respectively	389			387
Additional paid-in capital	1,593,430			1,573,013
Retained earnings	479,495			419,128
Shares held in treasury of 20,671,627 and 20,716,878 in 2018 and 2017, respectively, at cost	(1,366,773		)	(1,368,300		)
Accumulated other comprehensive loss, net of tax	(444		)	(545		)
	706,097			623,683
Noncontrolling interests in subsidiaries	140,597			129,678
Total equity	846,694			753,361
	$	1,657,867		$	1,613,336

The accompanying notes are an integral part of these condensed consolidated financial statements

and should be read in conjunction herewith.

1

SEACOR HOLDINGS INC. CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) (in thousands, except share data, unaudited)
	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
				As Adjusted						As Adjusted
Operating Revenues	$	220,257		$	176,605		$	621,912		$	441,495
Costs and Expenses:
Operating	147,529			125,692			441,474			301,275
Administrative and general	26,083			20,531			76,189			68,949
Depreciation and amortization	18,616			20,501			57,069			54,689
	192,228			166,724			574,732			424,913
Gains on Asset Dispositions and Impairments, Net	6,018			5,209			13,569			10,918
Operating Income	34,047			15,090			60,749			27,500
Other Income (Expense):
Interest income	2,450			2,367			6,485			6,651
Interest expense	(8,335		)	(9,121		)	(25,502		)	(31,101		)
Debt extinguishment gains (losses), net	(160		)	3			(5,609		)	(94		)
Marketable security gains (losses), net	1,713			(12,478		)	(1,303		)	(13,316		)
Derivative gains, net	—			—			—			19,727
Foreign currency gains (losses), net	(328		)	969			16			898
Other, net	357			64			54,951			68
	(4,303		)	(18,196		)	29,038			(17,167		)
Income (Loss) from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings of 50% or Less Owned Companies	29,744			(3,106		)	89,787			10,333
Income Tax Expense (Benefit)	3,362			(12,795		)	12,934			(12,563		)
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	26,382			9,689			76,853			22,896
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	821			488			1,915			2,929
Income from Continuing Operations	27,203			10,177			78,768			25,825
Income (Loss) from Discontinued Operations, Net of Tax	—			10,927			—			(23,150		)
Net Income	27,203			21,104			78,768			2,675
Net Income attributable to Noncontrolling Interests in Subsidiaries	10,136			3,543			15,934			13,839
Net Income (Loss) attributable to SEACOR Holdings Inc.	$	17,067		$	17,561		$	62,834		$	(11,164	)
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.:
Continuing operations	$	0.94		$	0.38		$	3.48		$	0.55
Discontinued operations	—			0.62			—			(1.20		)
	$	0.94		$	1.00		$	3.48		$	(0.65	)
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.:
Continuing operations	$	0.88		$	0.38		$	3.21		$	0.55
Discontinued operations	—			0.62			—			(1.19		)
	$	0.88		$	1.00		$	3.21		$	(0.64	)
Weighted Average Common Shares Outstanding:
Basic	18,108,388			17,508,770			18,052,274			17,265,140
Diluted	21,192,554			17,637,824			22,508,622			17,510,560

The accompanying notes are an integral part of these condensed consolidated financial statements

and should be read in conjunction herewith.

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SEACOR HOLDINGS INC. CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (in thousands, unaudited)
	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018		2017
Net Income	$	27,203		$	21,104		$	78,768	$	2,675
Other Comprehensive Income:
Foreign currency translation gains (losses)	(76		)	425			59		2,147
Reclassification of foreign currency translation losses to foreign currency gains (losses), net	15			—			15		—
Derivative losses on cash flow hedges	—			—			—		(389		)
Reclassification of derivative losses on cash flow hedges to interest expense	—			—			—		33
Reclassification of derivative losses on cash flow hedges to equity in earnings of 50% or less owned companies	—			—			—		109
Other	—			5			—		(11		)
	(61		)	430			74		1,889
Income tax benefit (expense)	2			(151		)	27		(605		)
	(59		)	279			101		1,284
Comprehensive Income	27,144			21,383			78,869		3,959
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	10,136			3,543			15,934		14,000
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	$	17,008		$	17,840		$	62,935	$	(10,041	)

The accompanying notes are an integral part of these condensed consolidated financial statements

and should be read in conjunction herewith.

3

SEACOR HOLDINGS INC. CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (in thousands, unaudited)
	SEACOR Holdings Inc. Stockholders’ Equity														Non- Controlling Interests In Subsidiaries			Total Equity
	Common Stock		Additional Paid-In Capital			Retained Earnings			Shares Held In Treasury			Accumulated Other Comprehensive Loss
December 31, 2017	$	387	$	1,573,013		$	419,128		$	(1,368,300	)	$	(545	)	$	129,678		$	753,361
Impact of adoption of accounting principle	—		—			(2,467		)	—			—			—			(2,467		)
December 31, 2017, As Adjusted	387		1,573,013			416,661			(1,368,300		)	(545		)	129,678			750,894
Issuance of common stock:
Employee Stock Purchase Plan	—		—			—			1,527			—			—			1,527
Exercise of stock options	1		4,752			—			—			—			—			4,753
Director stock awards	—		106			—			—			—			—			106
Restricted stock	1		(1		)	—			—			—			—			—
Net issuance of conversion option on exchange of convertible debt, net of tax	—		12,735			—			—			—			—			12,735
Purchase of conversion option in convertible debt, net of tax	—		(5		)	—			—			—			—			(5		)
Amortization of share awards	—		2,830			—			—			—			—			2,830
Acquisition of a subsidiary with noncontrolling interests	—		—			—			—			—			96			96
Distributions to noncontrolling interests	—		—			—			—			—			(5,111		)	(5,111		)
Net income	—		—			62,834			—			—			15,934			78,768
Other comprehensive income	—		—			—			—			101			—			101
September 30, 2018	$	389	$	1,593,430		$	479,495		$	(1,366,773	)	$	(444	)	$	140,597		$	846,694

The accompanying notes are an integral part of these consolidated financial statements

and should be read in conjunction herewith.

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SEACOR HOLDINGS INC. CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (in thousands, unaudited)
	Nine Months Ended September 30,
	2018			2017
Net Cash Provided by Operating Activities of Continuing Operations	$	35,799		$	85,088
Cash Flows from Investing Activities of Continuing Operations:
Purchases of property and equipment	(43,736		)	(99,306		)
Proceeds from disposition of property and equipment	15,952			27,614
Investments in and advances to 50% or less owned companies	(9,836		)	(7,636		)
Return of investments and advances from 50% or less owned companies	8,176			9,676
Proceeds from the sale of 50% or less owned companies	78,015			5,000
Payments received on third-party leases and notes receivable, net	452			24,349
Withdrawals from construction reserve funds	45,431			37,714
Deposits into construction reserve funds	—			(13,807		)
Business acquisitions, net of cash acquired	310			5,250
Net cash provided by (used in) investing activities of continuing operations	94,764			(11,146		)
Cash Flows from Financing Activities of Continuing Operations:
Payments on long-term debt and capital lease obligations	(43,967		)	(133,151		)
Proceeds from issuance of long-term debt, net of issue costs	(2,495		)	38,900
Purchase of conversion option in convertible debt	(5		)	(1,354		)
Common stock acquired for treasury	—			(7,569		)
Proceeds from share award plans	6,280			16,427
Distributions to noncontrolling interests	(5,111		)	—
Net cash used in financing activities of continuing operations	(45,298		)	(86,747		)
Effects of Exchange Rate Changes on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	61			856
Net Increase (Decrease) in Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents from Continuing Operations	85,326			(11,949		)
Cash Flows from Discontinued Operations:
Operating Activities	—			26,875
Investing Activities	—			2,720
Financing Activities	—			(7,149		)
Effects of Exchange Rate Changes on Cash and Cash Equivalents	—			208
Net Increase in Cash and Cash Equivalents from Discontinued Operations	—			22,654
Net Increase in Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	85,326			10,705
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning of Period	242,228			258,887
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, End of Period	327,554			269,592
Restricted Cash and Restricted Cash Equivalents, End of Period	2,990			2,436
Cash and Cash Equivalents, End of Period	$	324,564		$	267,156

The accompanying notes are an integral part of these condensed consolidated financial statements

and should be read in conjunction herewith.

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SEACOR HOLDINGS INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES

The condensed consolidated financial information for the three and nine months endedSeptember 30, 2018 and 2017 has been prepared by the Company and has not been audited by its independent registered certified public accounting firm. The condensed consolidated financial statements include the accounts of SEACOR Holdings Inc. and its consolidated subsidiaries. In the opinion of management, all adjustments (consisting of normal recurring adjustments) have been made to fairly present the Company’s financial position as of September 30, 2018, its results of operations for the three and nine months endedSeptember 30, 2018 and 2017, its comprehensive income (loss) for the three and nine months endedSeptember 30, 2018 and 2017, its changes in equity for the nine months endedSeptember 30, 2018, and its cash flows for the nine months endedSeptember 30, 2018 and 2017. Results of operations for the interim periods presented are not necessarily indicative of operating results for the full year or any future periods.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles in the United States have been condensed or omitted. These condensed consolidated financial statements should be read in conjunction with the financial statements and related notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

Unless the context otherwise indicates, any reference in this Quarterly Report on Form 10-Q to the “Company” refers to SEACOR Holdings Inc. and its consolidated subsidiaries and any reference in this Quarterly Report on Form 10-Q to “SEACOR” refers to SEACOR Holdings Inc. without its consolidated subsidiaries. Capitalized terms used and not specifically defined herein have the same meaning given those terms in the Company's Annual report on Form 10-K for the year ended December 31, 2017.

Adoption of New Accounting Standards. On January 1, 2018, the Company adopted Financial Accounting Standard Board (“FASB”) Topic 606, Revenue from Contracts with Customers (“Topic 606”). As a consequence of adopting Topic 606, the Company now recognizes all of the operating revenues and expenses associated with the dry-cargo barge pools it manages along with additional operating expenses reflective of barge pool earnings attributable to third-party barge owners and not the Company in its capacity as manager. Under Topic 606, the Company determined it was a principal with respect to the third-party barge owners. Previously, the Company recognized operating revenues and expenses only for its proportionate share of the barge pools in which it participated, as it acted as an agent. All prior period results have been adjusted to reflect the retrospective adoption of Topic 606. The adoption of Topic 606 had no impact on previously reported operating income, net income or earnings per share.

On January 1, 2018, the Company adopted ASU 2016-16, Intra-Entity Transfers of Assets Other Than Inventory, which eliminates the deferral of the tax effects of intercompany asset sales other than inventory until the transferred assets are sold to a third party or recovered through use. As a result of the adoption of the standard, the deferred tax charges previously recognized from those sales resulted in a decrease in deferred tax assets and a cumulative adjustment to retained earnings of $2.5 million in the condensed consolidated balance sheet and statement of changes in equity as of January 1, 2018.

Discontinued Operations. On June 1, 2017, the Company completed the spin-off of SEACOR Marine Holdings Inc. (“SEACOR Marine”), the company that operated SEACOR’s Offshore Marine Services business segment, by means of a dividend of all the issued and outstanding common stock of SEACOR Marine to SEACOR’s shareholders (the “Spin-off”). SEACOR Marine is now an independent company whose common stock is listed on the New York Stock Exchange under the symbol “SMHI.” For all periods presented herein, the Company has reported the historical financial position, results of operations and cash flows of SEACOR Marine as discontinued operations (see Note 14).

On July 3, 2017, the Company completed the sale of its 70% interest in Illinois Corn Processing LLC (“ICP”), the company that operated SEACOR’s Illinois Corn Processing business segment. For all periods presented herein, the Company has reported the historical financial position, results of operations and cash flows of ICP as discontinued operations (see Note 14).

Revenue Recognition. Revenue is recognized when (or as) the Company transfers promised goods or services to its customers in amounts that reflect the consideration to which the Company expects to be entitled to in exchange for those goods or services, which occurs when (or as) the Company satisfies its contractual obligations and transfers control of the promised goods or services to its customers. Costs to obtain or fulfill a contract are expensed as incurred.

Revenue from Contracts with Customers. Ocean Services primarily earns revenues from voyage charters, contracts of affreightment, harbor and ocean towing services, unit freight transportation services and technical ship management agreements with vessel owners (see Note 13). Ocean Services transfers control of the service to the customer and satisfies its performance obligation over the term of the contract, and therefore recognizes revenue over the term of the contract while related costs are expensed as incurred. Voyage charters are contracts to carry cargoes on a single voyage basis for a predetermined price, regardless

6

of time to complete. Contracts of affreightment are contracts for cargoes that are committed on a multi-voyage basis for various periods of time, with minimum and maximum cargo tonnages specified over the period at a fixed or escalating rate per ton. Harbor and ocean towing services typically include operating harbor tugs alongside oceangoing vessels to escort them to their berth, assisting with the docking and undocking of these oceangoing vessels and escorting them back out to sea. They are contracted using prevailing port tariff terms on a per-use basis. In the unit freight trade, transportation services typically include transporting shipping containers, rail cars, project cargoes, automobiles and U.S. military vehicles and are generally contracted on a per unit basis for the specified cargo and destination, typically in accordance with a publicly available tariff rate or based on a negotiated rate when moving larger volumes over an extended period. Other operations primarily include technical ship management agreements whereby Ocean Services provides technical ship management services to third-party customers for a predetermined price over a specified period of time, typically a year or more.

Inland Services primarily earns revenues from contracts of affreightment, terminal operations, fleeting operations and repair and maintenance services (see Note 13). Inland Services transfers control of the service to the customer and satisfies its performance obligation over the term of the contract, and therefore recognizes revenue over the term of the contract while related costs are expensed as incurred. Contracts of affreightment are contracts whereby customers are charged an established rate per ton to transport cargo from point-to-point. Terminal operations includes tank farms and dry bulk and container handling facilities that are marketed under contractual rates and terms driven by throughput volume. Fleeting operations includes fleeting services whereby barges are held in fleeting areas for an agreed-upon day rate and shifting services whereby harbor boats are used to pick up and drop off barges to assist in assembling tows and to move barges to and from the dock for loading and unloading at predetermined per-shift fees. Other operations primarily include a machine shop specializing in towboat and barge cleaning, repair and maintenance services that are charged on an hourly or a fixed fee basis depending on the scope and nature of the work.

Witt O’Brien’s primarily earns revenues from time and material and retainer contracts (see Note 13). Witt O’Brien’s transfers control of the service to the customer and satisfies its performance obligation over the term of the contract, and therefore recognizes revenue over the term of the contract while related costs are expensed as incurred. Time and material contracts primarily relate to emergency response, debris management or consulting services that Witt O’Brien’s performs for a predetermined fee. Retainer contracts, which are nearly all with vessel services operators and oil companies, are contracted based on agreed-upon rates.

The Company’s Other business segment includes CLEANCOR Energy Solutions LLC (“Cleancor”) (see Note 2). Cleancor primarily earns revenues from the sale of liquefied natural gas (see Note 13). Under these arrangements, control of the goods are transfered to the customer and performance obligations are satisfied at a point in time, and therefore revenue is recognized upon delivery while any related costs are expensed as incurred.

Contract liabilities from contracts with customers arise when the Company has received consideration prior to performance and are included in other current liabilities in the accompanying condensed consolidated balance sheets. The Company’s contract liability activity for the nine months ended September 30 was as follows (in thousands):

	2018
Balance at beginning of period	$	983
Contract liabilities arising during the period	4,374
Revenue recognized upon completion of performance obligations during the period	(2,291		)
Balance at end of period	$	3,066

Lease Revenues. The Company’s lease revenues are primarily from time charters, bareboat charters and non-vessel rental agreements that are recognized ratably over the lease term as services are provided, typically on a per day basis. Under a time charter, the Company provides a vessel to a customer for a set term and is responsible for all operating expenses, typically excluding fuel. Under a bareboat charter, the Company provides a vessel to a customer for a set term and the customer assumes responsibility for all operating expenses and risks of operation. Under a non-vessel rental agreement, the Company provides non-vessel property or equipment to a customer for a set term and the customer assumes responsibility for all operating expenses and risks of operation.

Property and Equipment. Equipment, stated at cost, is depreciated using the straight-line method over the estimated useful life of the asset to an estimated salvage value. With respect to each class of asset, the estimated useful life is based upon a newly built asset being placed into service and represents the time period beyond which it is typically not justifiable for the Company to continue to operate the asset in the same or similar manner. From time to time, the Company may acquire older assets that have already exceeded their useful life as set forth in the Company’s useful life policy, in which case the Company depreciates such assets based on its best estimate of remaining useful life, typically the next survey or certification date.

7

As of September 30, 2018, the estimated useful life (in years) of each of the Company’s major categories of new equipment was as follows:

Petroleum and chemical carriers - U.S.-flag	25
Harbor and offshore tugs	25
Ocean liquid tank barges	25
Short-sea container/RORO(1)vessels	20
Dry bulk carriers - U.S.-flag	25
Inland river dry-cargo and specialty barges	20
Inland river liquid tank barges	25
Inland river towboats and harbor boats	25
Terminal and fleeting facilities	20

______________________

(1) Roll On/Roll Off.

Equipment maintenance and repair costs including the costs of routine overhauls, dry-dockings and inspections performed on vessels and equipment are charged to operating expense as incurred. Expenditures that extend the useful life or improve the marketing and commercial characteristics of equipment as well as major renewals and improvements to other properties are capitalized.

As of September 30, 2018, the Company’s construction in progress totaling $4.6 million primarily consisted of upgrades to inland river towboats and the construction of other Inland Services equipment, and is included in historical cost in the accompanying condensed consolidated balance sheets. Certain interest costs incurred during the construction of equipment are capitalized as part of the assets’ carrying values and are amortized over such assets’ estimated useful lives. During the nine months endedSeptember 30, 2018, capitalized interest totaled $0.2 million.

Impairment of Long-Lived Assets. The Company performs an impairment analysis of long-lived assets used in operations, including intangible assets, when indicators of impairment are present. These indicators may include a significant decrease in the market price of a long-lived asset or asset group, a significant adverse change in the extent or manner in which a long-lived asset or asset group is being used or in its physical condition, or a current period operating or cash flow loss combined with a history of operating or cash flow losses or a forecast that demonstrates continuing losses associated with the use of a long-lived asset or asset group. If the carrying values of the assets are not recoverable, as determined by the estimated undiscounted cash flows, the estimated fair value of the assets or asset groups are compared to their current carrying value and impairment charges are recorded if the carrying value exceeds fair value. The Company performs its testing on an asset or asset group basis. The Company’s estimates of undiscounted cash flows are highly subjective and actual results may vary from the Company’s estimates due to the uncertainty regarding projected financial performance. Generally, fair value is determined using valuation techniques, such as expected discounted cash flows or appraisals, as appropriate. During the nine months endedSeptember 30, 2018, the Company did not recognize any impairment charges related to long-lived assets held for use. During the nine months endedSeptember 30, 2017, the Company recognized impairment charges of $0.4 million related to long-lived assets held for use.

Impairment of 50% or Less Owned Companies. Investments in 50% or less owned companies are reviewed periodically to assess whether there is an other-than-temporary decline in the carrying value of the investment. In its evaluation, the Company considers, among other items, recent and expected financial performance and returns, impairments recorded by the investee and the capital structure of the investee. When the Company determines the estimated fair value of an investment is below carrying value and the decline is other-than-temporary, the investment is written down to its estimated fair value. Actual results may vary from the Company’s estimates due to the uncertainty regarding projected financial performance, the severity and expected duration of declines in value and the available liquidity in the capital markets to support the continuing operations of the investee, among other factors. Although the Company believes its assumptions and estimates are reasonable, the investee’s actual performance compared with the estimates could produce different results and lead to additional impairment charges in future periods. During the nine months endedSeptember 30, 2018 and 2017, the Company recognized impairment charges of $0.1 million and $0.9 million, respectively, related to its 50% or less owned companies, which are included in equity in earnings of 50% or less owned companies, net of tax in the accompanying consolidated statements of income (loss).

Income Taxes. During the nine months endedSeptember 30, 2018, the Company’s effective income tax rate of 14.4% was primarily due to foreign sourced income not subject to U.S. tax partially offset by income taxes on Subpart F income (see Note 6).

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Deferred Gains. The Company has sold certain equipment to its 50% or less owned companies, entered into vessel sale-leaseback transactions with finance companies, and provided seller financing on sales of its equipment to third parties and its 50% or less owned companies. A portion of the gains realized from these transactions were deferred and recorded in deferred gains and other liabilities in the accompanying condensed consolidated balance sheets. Deferred gain activity related to these transactions for the nine months ended September 30 was as follows (in thousands):

	2018			2017
Balance at beginning of period	$	72,453		$	82,423
Deferred gains arising from asset sales	—			7,720
Amortization of deferred gains included in operating expenses as a reduction to rental expense	(8,991		)	(11,126		)
Amortization of deferred gains included in gains on asset dispositions and impairments, net(1)	(6,988		)	(1,764		)
Reclassification of deferred gains into historical cost on reacquired property and equipment	(3,052		)	—
Balance at end of period	$	53,422		$	77,253

______________________

(1) For the nine months endedSeptember 30, 2018, the Company recognized previously deferred gains of $5.5 million due to a change in the lease duration for one U.S.-flag petroleum and chemical carrier.

Accumulated Other Comprehensive Loss. The only component of accumulated other comprehensive loss for the nine months endedSeptember 30, 2018 was foreign currency translation adjustments.

Earnings Per Share. Basic earnings per common share of SEACOR is computed based on the weighted average number of common shares issued and outstanding during the relevant periods. Diluted earnings per common share of SEACOR is computed based on the weighted average number of common shares issued and outstanding plus the effect of potentially dilutive securities through the application of the treasury stock and if-converted methods. Dilutive securities for this purpose assumes restricted stock grants have vested, common shares have been issued pursuant to the exercise of outstanding stock options and common shares have been issued pursuant to the conversion of all outstanding convertible notes.

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Computations of basic and diluted earnings per common share of SEACOR were as follows (in thousands, except share data):

	Three Months Ended September 30,					Nine Months Ended September 30,
	Net Income attributable to SEACOR		Average O/S Shares	Per Share		Net Income (Loss) Attributable to SEACOR			Average O/S Shares	Per Share
2018
Basic Weighted Average Common Shares Outstanding	$	17,067	18,108,388	$	0.94	$	62,834		18,052,274	$	3.48
Effect of Dilutive Share Awards:
Options and Restricted Stock(1)	—		303,285			—			299,405
Convertible Notes(2)	1,625		2,780,881			9,495			4,156,943
Diluted Weighted Average Common Shares Outstanding	$	18,692	21,192,554	$	0.88	$	72,329		22,508,622	$	3.21
2017
Basic Weighted Average Common Shares Outstanding	$	17,561	17,508,770	$	1.00	$	(11,164	)	17,265,140	$	(0.65	)
Effect of Dilutive Share Awards:
Options and Restricted Stock(3)	—		129,054			—			245,420
Convertible Notes(4)	—		—			—			—
Diluted Weighted Average Common Shares Outstanding	$	17,561	17,637,824	$	1.00	$	(11,164	)	17,510,560	$	(0.64	)

______________________

(1) For the three and nine months endedSeptember 30, 2018, diluted earnings per common share of SEACOR excluded 295,074 and 292,169, respectively, of certain share awards as the effect of their inclusion in the computation would be anti-dilutive.

(2) For the three months ended September 30, 2018, diluted earnings per common share of SEACOR excluded 1,408,719 of common shares issuable pursuant to the Company’s 3.0% Convertible Senior Notes as the effect of their inclusion in the computation would be anti-dilutive.

(3) For the three and nine months endedSeptember 30, 2017, diluted earnings per common share of SEACOR excluded 1,727,132 and 2,638,753, respectively, of certain share awards as the effect of their inclusion in the computation would be anti-dilutive. Diluted weighted average shares outstanding are calculated based on continuing operations.

(4) For the three and nine months endedSeptember 30, 2017, diluted earnings per common share of SEACOR excluded 1,889,027 and 2,488,460, respectively, of common shares issuable pursuant to the Company’s 2.5% Convertible Senior Notes and 2,801,147 and 2,801,147, respectively, of common shares issuable pursuant to the Company’s 3.0% Convertible Senior Notes as the effect of their inclusion in the computation would be anti-dilutive. Diluted weighted average shares outstanding are calculated based on continuing operations.

New Accounting Pronouncements. On February 25, 2016, the FASB issued a comprehensive new leasing standard that is meant to improve transparency and comparability among companies by requiring lessees to recognize a lease liability and a corresponding lease asset for virtually all lease contracts and also requires additional disclosures about leasing arrangements. The new standard is effective for interim and annual periods beginning after December 15, 2018. The Company will adopt this standard using a modified prospective approach to adoption with recognition of a cumulative-effect adjustment to the opening balance of retained earnings at the adoption date. The Company is in the process of preparing for implementation and currently believes that the adoption will have a material impact on its financial statements. Specifically, the Company will be recording material right-of-use assets and lease liabilities of approximately $150 - $175 million for certain of its equipment, office and land leases. The Company’s estimates are preliminary and are based on its current inventory of leases. If the Company enters into or exits material lease arrangements prior to adoption or makes material changes to certain of its assumptions, including lease discount rates, the Company’s estimates may change and those changes may be material.

On January 26, 2017, the FASB issued an amendment to the accounting standards, which simplified wording and removed step two of the goodwill impairment test. A goodwill impairment will now be the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. The FASB also eliminated the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform step two of the goodwill test. The new standard is effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2020, with early adoption permitted for interim or annual goodwill impairment tests on testing dates after January 1, 2017. The Company has not yet determined what impact, if any, the adoption of the new standard will have on its consolidated financial position, results of operations or cash flows.

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2. BUSINESS ACQUISITIONS

Cleancor. On June 1, 2018, the Company acquired a controlling interest in Cleancor, a full service solution provider that delivers clean fuel to end users, through the acquisition of its partners’ 50% equity interest for $3.2 million in cash. In addition, immediately prior to consolidation, the Company contributed as capital $1.9 million of notes receivable due from Cleancor. The Company performed a fair value analysis and the purchase price was allocated to the acquired assets and liabilities based on their fair value resulting in no goodwill being recorded.

SCA. On March 1, 2018, the Company acquired Strategic Crisis Advisors LLC (“SCA”) for $1.3 million to be paid in two installments. The purchase price includes $0.8 million in contingent consideration that is dependent upon SCA meeting predetermined revenue targets for the twelve months following the acquisition date. The Company performed a fair value analysis and the purchase price was allocated to the acquired assets and liabilities based on their fair value resulting in no goodwill being recorded.

Purchase Price Allocation. The allocation of the purchase price for the Company’s acquisitions for the nine months endedSeptember 30, 2018 was as follows (in thousands):

Trade and other receivables	$	1,264
Other current assets	170
Investments, at Equity, and Advances to 50% or Less Owned Companies	(3,219		)
Property and Equipment	4,382
Intangible Assets	950
Notes receivable contributed as equity	(1,904		)
Other Assets	7
Accounts payable and other accrued liabilities(1)	(1,609		)
Other current liabilities	(269		)
Noncontrolling interests in subsidiaries	(82		)
Purchase price(2)	$	(310	)

______________________

(1) Includes $1.3 million of consideration to be paid in two installments.

(2) Purchase price is net of cash acquired totaling $3.6 million.

3. EQUIPMENT ACQUISITIONS AND DISPOSITIONS

During the nine months endedSeptember 30, 2018, capital expenditures were $43.7 million. Equipment deliveries during the nine months endedSeptember 30, 2018 included five U.S.-flag harbor tugs and two foreign-flag short-sea container/RORO vessels.

During the nine months endedSeptember 30, 2018, the Company sold one U.S.-flag petroleum and chemical carrier, one U.S.-flag harbor tug, 32 dry-cargo barges, two inland river specialty barges and other equipment for net proceeds of $16.0 million and gains of $6.6 million, all of which were recognized currently. In addition, the Company recognized previously deferred gains of $7.0 million.

4. INVESTMENTS, AT EQUITY, AND ADVANCES TO 50% OR LESS OWNED COMPANIES

RF Vessel Holdings. RF Vessel Holdings owns two foreign-flag rail ferries. During the nine months ended September 30, 2018, the Company and its partner each contributed capital of $0.9 million to RF Vessel Holdings.

Golfo de Mexico. Golfo de Mexico operates the two foreign-flag rail ferries owned by RF Vessel Holdings. During the nine months ended September 30, 2018, the Company and its partner each contributed capital of $2.1 million to Golfo de Mexico.

KSM. KSM operates four foreign-flag harbor tugs and one foreign-flag ocean liquid tank barge in Freeport, Grand Bahama. During the nine months ended September 30, 2018, the Company and its partner each contributed capital of $1.0 million to KSM.

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SCFCo. SCFCo operates dry-cargo barges and towboats on the Parana-Paraguay Rivers and a terminal facility at Port Ibicuy, Argentina. The Company has provided SCFCo with working capital advances, loans and financings. During the nine months ended September 30, 2018, the Company received repayments on these working capital advances, loans and financings of $2.4 million from SCFCo. As of September 30, 2018, $30.0 million of working capital advances, loans and financings remained outstanding.

SCF Bunge Marine. SCF Bunge Marine provides towing services on the U.S. Inland Waterways, primarily the Mississippi River, Illinois River, Tennessee River and Ohio River. During the nine months ended September 30, 2018, the Company contributed capital of $0.5 million to SCF Bunge Marine and received dividends of $2.9 million from SCF Bunge Marine.

O’Brien’s do Brazil. O’Brien’s do Brazil is an emergency consulting organization providing preparedness, response and recovery services in Brazil. During the nine months ended September 30, 2018, the Company received dividends of $0.2 million from O’Brien’s do Brazil.

Hawker Pacific. Hawker Pacific is an aviation sales and support organization and distributor of aviation components from leading manufacturers. On April 30, 2018, the Company sold its 34.2% interest in Hawker Pacific for $78.0 million in cash and recognized a gain of $53.9 million, which is included in other, net in the accompanying condensed consolidated statements of income (loss).

VA&E. VA&E primarily focuses on the global origination, trading and merchandising of sugar, pairing producers and buyers and arranging for the transportation and logistics of the product. During the nine months ended September 30, 2018, the Company received dividends of $0.4 million from VA&E. The Company provides an uncommitted revolving credit facility of up to $3.5 million and a subordinated loan of $3.5 million to VA&E. During the nine months ended September 30, 2018, the Company received repayments of $5.4 million and advanced $5.4 million on the revolving credit facility. As of September 30, 2018, the outstanding balance on the revolving credit facility and subordinated loan was $7.3 million, inclusive of accrued and unpaid interest.

Other. The Company’s other 50% or less owned companies are primarily industrial aviation businesses in Asia. During the nine months ended September 30, 2018, the Company received dividends of $0.8 million and repayments on advances of $0.4 million from these 50% or less owned companies. As of September 30, 2018, total advances outstanding were $2.0 million.

5. LONG-TERM DEBT

SEACOR’s Board of Directors previously approved a securities repurchase plan that authorizes the Company to acquire SEACOR common stock, par value $0.01 per share (“Common Stock”), 7.375% Senior Notes, 3.0% Convertible Senior Notes, 3.25% Convertible Senior Notes and 2.5% Convertible Senior Notes (collectively the “Securities”) through open market purchases, privately negotiated transactions or otherwise, depending on market conditions. As of September 30, 2018, the Company’s remaining repurchase authority for the Securities was $71.1 million.

3.0% Convertible Senior Notes. On May 15, 2018, SEACOR exchanged $117.8 million aggregate principal amount of the Company’s outstanding 3.0% Convertible Senior Notes due 2028 for a like principal amount of new 3.25% Convertible Senior Notes due 2030 (see discussion below). In addition, during the nine months endedSeptember 30, 2018, the Company repurchased $0.3 million in principal amount of its 3.0% Convertible Senior Notes for $0.3 million. These transactions resulted in debt extinguishment losses of $5.3 million included in the accompanying condensed consolidated statements of income (loss). The outstanding principal amount of these notes was $111.9 million as of September 30, 2018.

3.25% Convertible Senior Notes. On May 15, 2018, SEACOR issued $117.8 million aggregate principal amount of its 3.25% Convertible Senior Notes due May 15, 2030 (the “3.25% Convertible Senior Notes”). Interest on the 3.25% Convertible Senior Notes is payable semi-annually on May 15 and November 15 of each year. Beginning May 15, 2025, contingent interest is payable during any subsequent semi-annual interest period if the average trading price of the 3.25% Convertible Senior Notes for a defined period is greater than or equal to $1,200 per bond ($1,000 face value). The amount of contingent interest payable for any such period will be equal to 0.45% per annum of such average trading price of the 3.25% Convertible Senior Notes. Prior to February 15, 2030, the 3.25% Convertible Senior Notes are convertible into shares of Common Stock, at a conversion rate (“Conversion Rate”) of 13.1920 shares per bond ($1,000 face value) only if certain conditions are met, as more fully described in the indenture. After February 15, 2030, holders may elect to convert at any time. The Company has reserved the maximum number of shares of Common Stock needed upon conversion, or 1,553,780 shares as of September 30, 2018. On or after May 15, 2022, the 3.25% Convertible Senior Notes may be redeemed, in whole or in part, at a price equal to 100% of the principal amount, plus accrued and unpaid interest to the date of redemption. On May 15, 2025, or if the Company undergoes a fundamental change, as more fully described in the indenture, the holders of the 3.25% Convertible Senior Notes may require SEACOR to purchase for cash all or part of the notes at a price equal to 100% of the principal amount, plus accrued and unpaid interest to the date of purchase.

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The Company accounts separately for the liability and equity components of the 3.25% Convertible Senior Notes and the associated underwriting fees in a manner that reflects the Company’s non-convertible borrowing rate. Of the total issued amount of $117.8 million and offering costs of $2.5 million, the Company allocated $95.1 million and $2.0 million, respectively, to the liability component and $22.7 million and $0.5 million, respectively, to the equity component. The resulting debt discount and offering costs associated with the liability component are amortized as additional non-cash interest expense over the seven year period for which the debt is expected to be outstanding (May 15, 2025) for an overall effective annual interest rate of 7.2%.

7.375% Senior Notes. During the nine months endedSeptember 30, 2018, the Company repurchased $5.7 million in principal amount of its 7.375% Senior Notes for $5.9 million resulting in debt extinguishment losses of $0.2 million included in the accompanying condensed consolidated statements of income (loss). The outstanding principal amount of these notes was $147.4 million as of September 30, 2018. On October 1, 2018, the Company announced it would redeem all of its 7.375% Senior Notes on October 31, 2018 at a redemption price equal to 100% of the principal amount of the notes outstanding plus a make-whole premium to be calculated in accordance with the terms of the indenture governing the 7.375% Senior Notes, plus accrued and unpaid interest, if any, to the redemption date. As a consequence, the Company has included the principal amount of these notes in current portion of long-term debt in the accompanying condensed consolidated balance sheet.

SEA-Vista Credit Facility.During the nine months endedSeptember 30, 2018, SEA-Vista repaid $17.0 million on the Revolving Loan and made scheduled payments of $2.5 million on the Term A-1 Loan and $4.2 million on the Term A-2 Loan. As of September 30, 2018, SEA-Vista had $72.0 million of remaining borrowing capacity under the Revolving Loan.

ISH Credit Facility. During the nine months endedSeptember 30, 2018, ISH repaid the outstanding balance of $12.2 million on the ISH Term Loan and terminated the credit facility resulting in debt extinguishment losses of $0.1 million included in the accompanying condensed consolidated statements of income (loss).

Other. During the nine months endedSeptember 30, 2018, the Company made scheduled payments on other long-term debt of $0.5 million and repaid the remaining outstanding balance of $1.4 million assumed in the ISH acquisition.

Letters of Credit. As of September 30, 2018, the Company had outstanding letters of credit totaling $10.1 million with various expiration dates through 2019, including $0.7 million that have been issued on behalf of SEACOR Marine.

Guarantees. The Company has guaranteed the payments of amounts owed under certain sale-leaseback transactions, equipment financing and multi-employer pension obligations on behalf of SEACOR Marine. As of September 30, 2018, these guarantees on behalf of SEACOR Marine totaled $47.0 million and decline as payments are made on the outstanding obligations.

The Company earns a fee of 50 basis points per annum on these guarantees and outstanding letters of credit. For the three and nine months endedSeptember 30, 2018, the Company earned fees of $0.1 million and $0.2 million, respectively.

6. INCOME TAXES

The following table reconciles the difference between the statutory federal income tax rate for the Company and the effective income tax rate on continuing operations for the nine months ended September 30, 2018:

Statutory rate	21.0	%
Income subject to tonnage tax	(2.4	)%
Noncontrolling interests	(3.7	)%
Foreign earnings not subject to U.S. income tax	(17.7	)%
Foreign taxes not creditable against U.S. income tax	4.1	%
Subpart F income	12.3	%
State taxes	0.7	%
Other	0.1	%
	14.4	%

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7. DERIVATIVE INSTRUMENTS AND HEDGING STRATEGIES

The Company recognized gains on derivative instruments not designated as hedging instruments for the nine months ended September 30 as follows (in thousands):

	2018		2017
Exchange option liability on subsidiary convertible senior notes	$	—	$	19,436
Forward currency exchange, option and future contracts	—		291
	$	—	$	19,727

The exchange option liability on subsidiary convertible senior notes terminated as a consequence of the Spin-off as the notes became the sole obligation of SEACOR Marine and convertible only into the common stock of SEACOR Marine.

The Company enters and settles forward currency exchange, option and future contracts with respect to various foreign currencies. These contracts enable the Company to buy currencies in the future at fixed exchange rates, which could offset possible consequences of changes in currency exchange rates with respect to the Company’s business conducted outside of the United States. As of September 30, 2018, there were no outstanding forward currency exchange contracts.

8. FAIR VALUE MEASUREMENTS

The fair value of an asset or liability is the price that would be received to sell an asset or transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The Company utilizes a fair value hierarchy that maximizes the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value and defines three levels of inputs that may be used to measure fair value. Level 1 inputs are quoted prices in active markets for identical assets or liabilities. Level 2 inputs are observable inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly, including quoted prices for similar assets or liabilities in active markets, quoted prices in markets that are not active, inputs other than quoted prices that are observable for the asset or liability, or inputs derived from observable market data. Level 3 inputs are unobservable inputs that are supported by little or no market activity and are significant to the fair value of the assets or liabilities.

The Company’s financial assets and liabilities as of September 30, 2018 that are measured at fair value on a recurring basis were as follows (in thousands):

	Level 1		Level 2		Level 3
ASSETS
Cash, cash equivalents, restricted cash and restricted cash equivalents	$	327,554	$	—	$	—
Marketable securities(1)	41,445		—		—
Construction reserve funds	5,908		—		—

______________________

(1) Marketable security gains (losses), net include unrealized gains of $1.7 million and unrealized losses of $7.1 million for the three months ended September 30, 2018 and 2017, respectively, related to marketable security positions held by the Company as of September 30, 2018. Marketable security gains (losses), net include unrealized losses of $1.3 million and $7.2 million for the nine months ended September 30, 2018 and 2017, respectively, related to marketable security positions held by the Company as of September 30, 2018.

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The estimated fair values of the Company’s other financial assets and liabilities as of September 30, 2018 were as follows (in thousands):

			Estimated Fair Value
	Carrying Amount		Level 1		Level 2		Level 3
ASSETS
Notes receivable from third parties (included in other receivables and other assets)	$	2,226	$	—	$	2,203	$	—
Investments, at cost, in 50% or less owned companies (included in other assets)	4,300		see below
LIABILITIES
Long-term debt, including current portion(1)	$	528,394	$	—	$	561,044	$	—

______________________

(1) The estimated fair value includes the embedded conversion options on the Company’s 3.0% Convertible Senior Notes and 3.25% Convertible Senior Notes.

The fair value of the Company’s long-term debt and notes receivable from third parties was estimated based upon quoted market prices or by using discounted cash flow analyses based on estimated current rates for similar types of arrangements. It was not practicable to estimate the fair value of certain of the Company’s investments, at cost, in 50% or less owned companies because of the lack of quoted market prices and the inability to estimate fair value without incurring excessive costs. Considerable judgment was required in developing certain of the estimates of fair value and, accordingly, the estimates presented herein are not necessarily indicative of the amounts that the Company could realize in a current market exchange.

The Company’s other assets and liabilities that were measured at fair value during the nine months ended September 30, 2018 were as follows (in thousands):

	Level 1		Level 2		Level 3
ASSETS
Investments, at equity, and advances in 50% or less owned companies	$	—	$	3,219	$	—

Investments, at equity, and advances in 50% or less owned companies. During the nine months ended September 30, 2018, the Company marked its investment in Cleancor to fair value as a consequence of the Company acquiring its partners’ 50% interest, resulting in a gain of $0.1 million, net of tax, based on the fair value of the acquired interest (see Note 2). In addition, during the nine months ended September 30, 2018, the Company identified indicators of impairment in one of its 50% or less owned companies and, as a consequence, recognized an impairment charge of $0.1 million for an other-than-temporary decline in fair value. The investment was determined to have an immaterial value.

9. NONCONTROLLING INTERESTS IN SUBSIDIARIES

Noncontrolling interests in the Company’s consolidated subsidiaries were as follows (in thousands):

	Noncontrolling Interests				September 30, 2018		December 31, 2017
Ocean Services:
SEA-Vista	49%				$	139,566	$	128,550
Inland Services:
Other	3.0	%	–	51.8%	841		977
Other	5.0	%	–	11.8%	190		151
					$	140,597	$	129,678

SEA-Vista. SEA-Vista owns and operates the Company’s fleet of U.S.-flag petroleum and chemical carriers used in the U.S. coastwise trade of crude oil, petroleum and specialty chemical products. As of September 30, 2018, the net assets of SEA-Vista were $284.8 million. During the nine months endedSeptember 30, 2018, the net income of SEA-Vista was $32.6 million, of which $16.0 million was attributable to noncontrolling interests. During the nine months endedSeptember 30, 2017, the net income of SEA-Vista was $33.2 million, of which $16.3 million was attributable to noncontrolling interests.

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10. MULTI-EMPLOYER AND DEFINED BENEFIT PENSION PLANS

AMOPP. During the nine months ended September 30, 2018, the Company received notification from the AMOPP that the Company’s withdrawal liability as of September 30, 2017 would have been $34.4 million based on an actuarial valuation performed as of that date. That liability may change in future years based on various factors, primarily employee census. As of September 30, 2018, the Company has no intention to withdraw from the AMOPP and no deficit amounts have been invoiced. Depending upon the results of the future actuarial valuations and the ten-year rehabilitation plan, it is possible that the AMOPP will experience further funding deficits, requiring the Company to recognize additional payroll related operating expenses in the periods invoices are received or contribution levels are increased.

11. SHARE BASED COMPENSATION

Transactions in connection with the Company’s share based compensation plans during the nine months endedSeptember 30, 2018 were as follows:

Director stock awards granted	2,250
Employee Stock Purchase Plan (“ESPP”) shares issued	45,251
Restricted stock awards granted	121,850
Stock Option Activities:
Outstanding as of December 31, 2017	1,546,014
Granted	110,660
Exercised	(134,212	)
Outstanding as of September 30, 2018	1,522,462
Shares available for future grants and ESPP purchases as of September 30, 2018	916,254

Employee Stock Purchase Plans. On June 5, 2018, SEACOR’s stockholders approved an amendment to the 2009 Employee Stock Purchase Plan, whereby the number of shares available under the plan was increased by 300,000.

12. COMMITMENTS AND CONTINGENCIES

The Company's capital commitments as of September 30, 2018 by year of expected payment were as follows (in thousands):

	Remainder of 2018		2019		Total
Ocean Services	$	106	$	—	$	106
Inland Services	2,478		2,690		5,168
	$	2,584	$	2,690	$	5,274

Ocean Services’ and Inland Services’ capital commitments included one inland river towboat and various other equipment and vessel improvements. Subsequent to September 30, 2018, the Company committed to purchase additional property and equipment for $14.7 million.

During 2012, the Company sold National Response Corporation (“NRC”), NRC Environmental Services Inc., SEACOR Response Ltd., and certain other subsidiaries to J.F. Lehman & Company, a private equity firm (the “SES Business Transaction”).

On December 15, 2010, O’Brien’s Response Management L.L.C. (“ORM”) and NRC were named as defendants in one of the several “master complaints” filed in the overall multi-district litigation relating to the Deepwater Horizon oil spill response and clean-up in the Gulf of Mexico, which is currently pending in the U.S. District Court for the Eastern District of Louisiana (the “MDL”). The “B3” master complaint naming ORM and NRC asserted various claims on behalf of a putative class against multiple defendants concerning the clean-up activities generally and the use of dispersants specifically. Both prior to and following the filing of the aforementioned “B3” master complaint, individual civil actions naming the Company, ORM, and/or NRC alleging B3 exposure-based injuries and/or damages were consolidated with the MDL and stayed pursuant to court order. On February 16, 2016, all but eleven B3 claims against ORM and NRC were dismissed with prejudice (the “B3 Dismissal Order”). On August 2, 2016, the Court granted an omnibus motion for summary judgment as it concerns ORM and NRC in its entirety, dismissing the remaining eleven plaintiffs’ claims against ORM and NRC with prejudice (the “Remaining Eleven Plaintiffs’ Dismissal Order”). The deadline to appeal both of these orders has expired. At present, the only remaining claim is the following:

16

• On April 8, 2013, the Company, ORM, and NRC were named as defendants in William and Dianna Fitzgerald v. BP Exploration et al., No. 2:13-CV-00650 (E.D. La.) (the “Fitzgerald Action”), which is a suit by a husband and wife whose son allegedly participated in the clean-up effort and became ill as a result of his exposure to oil and dispersants. While the decedent in the Fitzgerald Action’s claims against ORM and NRC were dismissed by virtue of the Remaining Eleven Plaintiffs’ Dismissal Order, the claim as against the Company remains stayed.

Following a status conference with the Court on February 17, 2017, the Court issued several new pretrial orders in connection with the remaining claims in the MDL. Various submissions followed, and on July 18, 2017, the Court issued an order dismissing all remaining “B3” claims in the MDL with prejudice, with the exception of certain claims specifically listed on an exhibit annexed to the order (the “Master MDL B3 Dismissal Order”). Nathan Fitzgerald, the decedent in the Fitzgerald Action, was listed on the exhibit annexed to the Master MDL B3 Dismissal Order. The Court has since issued a list of those plaintiffs compliant with its previous orders and thus whose “B3” claims remain pending; the last version of this compliance list was issued on April 6, 2018 and the claim for the decedent in the Fitzgerald Action remains listed as a pending claim. On April 9, 2018, the Court issued an order requiring remaining “B3” plaintiffs to submit particularized statements of claim, and such a statement was submitted on behalf of the decedent in the Fitzgerald Action on July 9, 2018. On September 20, 2018, the Court issued an order indicating which statements of claim were sufficient and which were not, requiring the latter plaintiffs to show cause; the statement submitted on behalf of the decedent in the Fitzgerald Action was deemed sufficient, requiring nothing further at the time of the order. The Company is unable to estimate the potential exposure, if any, resulting from this matter, to the extent it remains viable, but believes it is without merit and does not expect that it will have a material effect on its consolidated financial position, results of operations or cash flows.

On February 18, 2011, Triton Asset Leasing GmbH, Transocean Holdings LLC, Transocean Offshore Deepwater Drilling Inc., and Transocean Deepwater Inc. (collectively “Transocean”) named ORM and NRC as third-party defendants in a Rule 14(c) Third-Party Complaint in Transocean’s own Limitation of Liability Act action, which is part of the overall MDL, tendering to ORM and NRC the claims in the “B3” master complaint that have already been asserted against ORM and NRC. Various contribution and indemnity cross-claims and counterclaims involving ORM and NRC were subsequently filed. The Company believes that the potential exposure, if any, resulting therefrom has been reduced as a result of the various developments in the MDL, including the B3 Dismissal Order and Remaining Eleven Plaintiffs’ Dismissal Order, and does not expect that these matters will have a material effect on its consolidated financial position, results of operations or cash flows.

On November 16, 2012, 668 individuals who served as beach clean-up workers in Escambia County, Florida during the Deepwater Horizon oil spill response commenced a civil action in the Circuit Court for the First Judicial Circuit of Florida, in and for Escambia County, Abney et al. v. Plant Performance Services, LLC et al., No. 2012-CA-002947 (the “Abney Action”), in which they allege, among other things, that ORM and other defendants engaged in the contamination of Florida waters and beaches in violation of Florida Statutes Chapter 376 and injured the Plaintiffs by exposing them to dispersants during the course and scope of their employment. The Abney Action was removed to federal court and ultimately consolidated with the MDL on April 2, 2013. On April 22, 2013, a companion case to this matter was filed in the U.S. District Court for the Northern District of Florida, Abood et al. v. Plant Performance Services, LLC et al., No. 3:13-CV-00284 (N.D. Fla.) (the “Abood Action”), which alleges identical allegations against the same parties but names an additional 174 Plaintiffs, all of whom served as clean-up workers in various Florida counties during the Deepwater Horizon oil spill response. The Abood Action was consolidated with the MDL on May 10, 2013. By court order, both of these matters were then stayed since they were consolidated with the MDL. The names of only a very small percentage of the claimants in these two matters appear to be listed on the exhibit to the Master MDL B3 Dismissal Order and the Court has denied the other plaintiffs’ request for reconsideration, which has since been appealed. In their appellate brief, filed in the U.S. Court of Appeals for the Fifth Circuit on June 15, 2018, these individual claimants noted that ORM “has been effectively dismissed through other actions by the lower court and that dismissal is not the subject of this appeal.” Accordingly, claimants concede that the original B3 Dismissal Order bars their claims against ORM. Finally, both the Abney Action and the Abood Action were directed closed by Court order dated September 9, 2018 (the “Close Out Order”). The Close Out Order similarly listed various individual actions that had been dismissed as against ORM and NRC by virtue of the B3 Dismissal Order and/or the Remaining Eleven Plaintiffs’ Dismissal Order.

17

Separately, on March 2, 2012, the Court announced that BP Exploration and BP America Production Company (“BP America”) and (collectively “BP”) and the Plaintiffs had reached an agreement on the terms of two proposed class action settlements that will resolve, among other things, Plaintiffs’ economic loss claims and clean-up related claims against BP. The BP settlement pertaining to personal injury claims (the “Medical Settlement”) also established a right for class members to bring a lawsuit against BP (but not ORM or NRC) for later-manifested physical condition(s). These actions, referred to as back-end litigation-option (“BELO”) cases, have specifically-delineated procedures and limitations, as set forth in the Medical Settlement. For example, there are limitations on the claims and defenses that can be asserted, as well as on the issues, elements, and proofs that may be litigated at any trial and the potential recovery for any BELO plaintiff. Notwithstanding that the Company, ORM, and NRC are listed on the Medical Settlement’s release as to claims asserted by Plaintiffs, the Medical Settlement still permits BP to seek indemnity from any party, to the extent BP has a valid indemnity right. BP has purported to tender a number of individual BELO cases to ORM and/or NRC for indemnity pursuant to their service contracts with BP; as of close of business on September 30 2018, 101 BELO claims have been formally filed against BP that have been tendered to ORM and 14 BELO claims have been formally filed against BP that have been tendered to NRC. ORM and NRC have rejected BP’s contention that it is entitled to full defense and indemnity coverage from ORM and/or NRC for all of the BELO claims referenced in BP’s indemnity demands. Moreover, it is the Company’s position that (1) ORM has contractual indemnity coverage for the above-referenced BELO claims through its separate agreements with sub-contractors that worked for ORM during the Deepwater Horizon oil spill response and (2) NRC’s services contract with BP does not provide for broad contractual indemnity as BP contends. Discussions relating to these indemnity demands remain ongoing. Overall, however, the Company believes that both settlements, including the Medical Settlement, have reduced the potential exposure in connection with the various cases relating to the Deepwater Horizon oil spill response and clean-up. The Company is unable to estimate the potential exposure, if any, resulting from these claims but does not expect that they will have a material effect on its consolidated financial position, results of operations or cash flows.

In the ordinary course of the Company’s business, it may agree to indemnify its counterparty to an agreement. If the indemnified party makes a successful claim for indemnification, the Company would be required to reimburse that party in accordance with the terms of the indemnification agreement. Indemnification agreements generally, but not always, are subject to threshold amounts, specified claim periods and other restrictions and limitations.

In connection with the SES Business Transaction, the Company remains contingently liable for work performed in connection with the Deepwater Horizon oil spill response. Pursuant to the agreement governing the sale, the Company’s potential liability to the purchaser may not exceed the consideration received by the Company for the SES Business Transaction. The Company is currently indemnified under contractual agreements with BP for the potential B3 liabilities relating to cleanup work performed in connection with the Deepwater Horizon oil spill response; this indemnification is unrelated to, and thus not impacted by, the indemnification BP has demanded for the BELO cases referenced above.

In the ordinary course of its business, the Company becomes involved in various other litigation matters including, among other things, claims by third parties for alleged property damages and personal injuries. Management has used estimates in determining the Company’s potential exposure to these matters and has recorded reserves in its financial statements related thereto where appropriate. It is possible that a change in the Company’s estimates of that exposure could occur, but the Company does not expect such changes in estimated costs would have a material effect on the Company’s consolidated financial position, results of operations or cash flows.

13. SEGMENT INFORMATION

Accounting standards require public business enterprises to report information about each of their operating business segments that exceed certain quantitative thresholds or meet certain other reporting requirements. Operating business segments have been defined as components of an enterprise about which separate financial information is available and is evaluated regularly by the chief operating decision maker in deciding how to allocate resources and in assessing performance. Certain reclassifications and adjustments of prior period information have been made to conform the current period’s reportable segment presentation as a result of the Company’s presentation of discontinued operations and the adoption of Topic 606 (see Notes 1 and 14). The Company’s basis of measurement of segment profit or loss is as previously defined in the Company’s Annual report on Form 10-K for the year ended December 31, 2017. Accounting standards also require companies to disaggregate revenues from contracts with customers into categories to depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. The following tables summarize the operating results, capital expenditures assets and disaggregated revenues of the Company’s reportable segments.

18

	Ocean Services $’000		Inland Services $’000		Witt O’Brien’s $’000		Other $’000		Corporate and Eliminations $’000		Total $’000
For the three months ended September 30, 2018
Operating Revenues:
External customers	109,939		78,845		30,259		1,214		—		220,257
Intersegment	—		—		8		—		(8	)	—
	109,939		78,845		30,267		1,214		(8	)	220,257
Costs and Expenses:
Operating	64,683		65,667		16,240		957		(18	)	147,529
Administrative and general	9,170		3,230		7,389		606		5,688		26,083
Depreciation and amortization	11,298		6,197		492		202		427		18,616
	85,151		75,094		24,121		1,765		6,097		192,228
Gains on Asset Dispositions, Net	5,505		513		—		—		—		6,018
Operating Income (Loss)	30,293		4,264		6,146		(551	)	(6,105	)	34,047
Other Income (Expense):
Foreign currency losses, net	(24	)	(282	)	(12	)	—		(10	)	(328	)
Other, net	(96	)	—		—		452		1		357
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	2,073		(1,245	)	(13	)	6		—		821
Segment Profit (Loss)	32,246		2,737		6,121		(93	)
Other Income (Expense) not included in Segment Profit (Loss)											(4,332	)
Less Equity Earnings included in Segment Profit (Loss)											(821	)
Income Before Taxes and Equity Earnings											29,744

19

	Ocean Services $’000		Inland Services $’000		Witt O’Brien’s $’000		Other $’000		Corporate and Eliminations $’000		Total $’000
For the nine months ended September 30, 2018
Operating Revenues:
External customers	317,478		208,175		93,960		2,299		—		621,912
Intersegment	—		—		47		—		(47	)	—
	317,478		208,175		94,007		2,299		(47	)	621,912
Costs and Expenses:
Operating	205,060		176,209		58,945		1,349		(89	)	441,474
Administrative and general	30,047		9,758		17,896		1,290		17,198		76,189
Depreciation and amortization	35,563		18,674		1,284		264		1,284		57,069
	270,670		204,641		78,125		2,903		18,393		574,732
Gains on Asset Dispositions, Net	7,391		6,178		—		—		—		13,569
Operating Income (Loss)	54,199		9,712		15,882		(604	)	(18,440	)	60,749
Other Income (Expense):
Foreign currency gains (losses), net	(151	)	238		(27	)	1		(45	)	16
Other, net	585		14		—		54,354		(2	)	54,951
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	3,655		(3,115	)	90		1,285		—		1,915
Segment Profit	58,288		6,849		15,945		55,036
Other Income (Expense) not included in Segment Profit											(25,929	)
Less Equity Earnings included in Segment Profit											(1,915	)
Income Before Taxes and Equity Earnings											89,787
Capital Expenditures	38,786		4,075		—		747		128		43,736
As of September 30, 2018
Property and Equipment:
Historical cost	929,825		437,510		1,227		5,192		30,132		1,403,886
Accumulated depreciation	(331,625	)	(190,493	)	(1,007	)	(265	)	(21,789	)	(545,179	)
Net property and equipment	598,200		247,017		220		4,927		8,343		858,707
Investments, at Equity, and Advances to 50% or Less Owned Companies	62,999		61,304		345		24,536		—		149,184
Inventories	2,509		2,258		214		158		—		5,139
Goodwill	1,852		2,409		28,506		—		—		32,767
Intangible Assets	9,297		9,365		7,062		—		—		25,724
Other current and long-term assets, excluding cash and near cash assets(1)	54,416		78,461		63,578		2,177		12,807		211,439
Segment Assets	729,273		400,814		99,925		31,798
Cash and near cash assets(1)											374,907
Total Assets											1,657,867

______________________

(1) Cash and near cash assets includes cash, cash equivalents, restricted cash, restricted cash equivalents, marketable securities and construction reserve funds.

20

	Ocean Services $’000	Inland Services $’000	Witt O’Brien’s $’000	Other $’000	Corporate and Eliminations $’000		Total $’000
For the nine months ended September 30, 2018
Revenues from Contracts with Customers:
Voyage charters	66,496	—	—	—	—		66,496
Contracts of affreightment	9,101	159,406	—	—	—		168,507
Harbor & ocean towing	53,777	—	—	—	—		53,777
Unit freight	43,384	—	—	—	—		43,384
Terminal operations	—	27,291	—	—	—		27,291
Fleeting operations	—	13,325	—	—	—		13,325
Time and material contracts	—	—	84,896	—	—		84,896
Retainer contracts	—	—	7,456	—	—		7,456
Product sales(1)	—	—	—	1,618	—		1,618
Other	2,414	2,618	1,655	425	(47	)	7,065
Lease Revenues:
Time charter, bareboat charter and rental income	142,306	5,535	—	256	—		148,097
	317,478	208,175	94,007	2,299	(47	)	621,912

______________________

(1) Costs of goods sold related to product sales was $1.2 million.

	Ocean Services $’000	Inland Services $’000		Witt O’Brien’s $’000	Other $’000		Corporate and Eliminations $’000		Total $’000
		As Adjusted							As Adjusted
For the three months ended September 30, 2017
Operating Revenues:
External customers	103,780	63,042		9,667	116		—		176,605
Intersegment	—	—		14	—		(14	)	—
	103,780	63,042		9,681	116		(14	)	176,605
Costs and Expenses:
Operating	65,866	53,822		6,068	—		(64	)	125,692
Administrative and general	9,612	3,141		2,960	180		4,638		20,531
Depreciation and amortization	13,516	6,329		206	—		450		20,501
	88,994	63,292		9,234	180		5,024		166,724
Gains on Asset Dispositions, Net	73	5,136		—	—		—		5,209
Operating Income (Loss)	14,859	4,886		447	(64	)	(5,038	)	15,090
Other Income (Expense):
Foreign currency gains (losses), net	5	992		29	(12	)	(45	)	969
Other, net	59	—		—	—		5		64
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	1,493	(1,235	)	100	130		—		488
Segment Profit	16,416	4,643		576	54
Other Income (Expense) not included in Segment Profit									(19,229	)
Less Equity Earnings included in Segment Profit									(488	)
Loss Before Taxes, Equity Earnings and Discontinued Operations									(3,106	)

21

	Ocean Services $’000		Inland Services $’000		Witt O’Brien’s $’000		Other $’000		Corporate and Eliminations $’000		Total $’000
			As Adjusted								As Adjusted
For the nine months ended September 30, 2017
Operating Revenues:
External customers	243,442		174,040		23,665		348		—		441,495
Intersegment	—		—		85		—		(85	)	—
	243,442		174,040		23,750		348		(85	)	441,495
Costs and Expenses:
Operating	137,070		148,978		15,483		—		(256	)	301,275
Administrative and general	24,728		11,658		8,641		559		23,363		68,949
Depreciation and amortization	32,792		19,404		613		—		1,880		54,689
	194,590		180,040		24,737		559		24,987		424,913
Gains (Losses) on Asset Dispositions and Impairments, Net	(342	)	11,260		—		—		—		10,918
Operating Income (Loss)	48,510		5,260		(987	)	(211	)	(25,072	)	27,500
Other Income (Expense):
Derivative gains, net	—		—		—		—		19,727		19,727
Foreign currency gains (losses), net	8		730		62		(12	)	110		898
Other, net	118		—		—		(300	)	250		68
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	8,150		(4,877	)	237		(581	)	—		2,929
Segment Profit (Loss)	56,786		1,113		(688	)	(1,104	)
Other Income (Expense) not included in Segment Profit (Loss)											(37,860	)
Less Equity Earnings included in Segment Profit (Loss)											(2,929	)
Income Before Taxes, Equity Earnings and Discontinued Operations											10,333
Capital Expenditures	66,137		32,901		60		—		208		99,306
As of September 30, 2017
Property and Equipment:
Historical cost	1,028,685		446,759		1,227		—		29,532		1,506,203
Accumulated depreciation	(290,400	)	(175,669	)	(915	)	—		(20,065	)	(487,049	)
Net property and equipment	738,285		271,090		312		—		9,467		1,019,154
Investments, at Equity, and Advances to 50% or Less Owned Companies	53,388		65,738		782		55,479		—		175,387
Inventories	2,032		1,866		54		—		—		3,952
Goodwill	1,852		2,415		28,506		—		—		32,773
Intangible Assets	12,285		10,860		7,510		—		—		30,655
Other current and long-term assets, excluding cash and near cash assets(1)	44,845		54,295		13,802		1,807		22,251		137,000
Segment Assets	852,687		406,264		50,966		57,286
Cash and near cash assets(1)											384,044
Total Assets											1,782,965

______________________

(1) Cash and near cash assets includes cash, cash equivalents, restricted cash, restricted cash equivalents, marketable securities and construction reserve funds.

22

	Ocean Services $’000	Inland Services $’000	Witt O’Brien’s $’000	Other $’000	Corporate and Eliminations $’000		Total $’000
		As Adjusted					As Adjusted
For the nine months ended September 30, 2017
Revenues from Contracts with Customers:
Voyage charters	15,311	—	—	—	—		15,311
Contracts of affreightment	9,315	130,770	—	—	—		140,085
Harbor & ocean towing	49,184	—	—	—	—		49,184
Unit freight	36,763	—	—	—	—		36,763
Terminal operations	—	23,195	—	—	—		23,195
Fleeting operations	—	11,654	—	—	—		11,654
Time and material contracts	—	—	11,887	—	—		11,887
Retainer contracts	—	—	7,581	—	—		7,581
Other	1,099	2,522	4,282	348	(85	)	8,166
Lease Revenues:
Time charter, bareboat charter and rental income	131,770	5,899	—	—	—		137,669
	243,442	174,040	23,750	348	(85	)	441,495

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14. DISCONTINUED OPERATIONS

The Company’s discontinued operations consist of SEACOR Marine and ICP as following the Spin-off and sale, respectively, the Company has no continuing involvement in either of these businesses (see Note 1). Summarized selected operating results of the Company’s discontinued operations were as follows (in thousands):

	Three Months Ended September 30, 2017		Nine Months Ended September 30, 2017
SEACOR Marine
Operating Revenues	$	—	$	62,291
Costs and Expenses:
Operating	—		65,888
Administrative and general	—		29,682
Depreciation and amortization	—		22,181
	—		117,751
Gains on Asset Dispositions, Net	—		4,219
Operating Loss	—		(51,241		)
Other Income, Net	—		1,780
Income Tax Benefit	—		(12,931		)
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	—		1,663
Net Loss	$	—	$	(34,867	)
Net Loss Attributable to Noncontrolling Interests	$	—	$	(1,892	)
ICP
Operating Revenues	$	—	$	78,061
Costs and Expenses:
Operating	—		76,306
Administrative and general	—		2,109
Depreciation and amortization	—		2,354
	—		80,769
Operating Loss	—		(2,708		)
Other Income, Net (including gain on sale of business)	18,223		20,558
Income Tax Expense	7,296		7,363
Net Income	$	10,927	$	10,487
Net Loss Attributable to Noncontrolling Interests	$	—	$	(539	)
Eliminations
Operating Revenues	$	—	$	(1,176	)
Costs and Expenses:
Operating	—		(1,289		)
Administrative and general	—		(42		)
	—		(1,331		)
Operating Income	—		155
Other Income, Net	—		1,738
Income Tax Expense	—		663
Net Income	$	—	$	1,230
Income (Loss) from Discontinued Operations, Net of Tax	$	10,927	$	(23,150	)

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

This Form 10-Q includes “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Certain statements discussed in this Form 10-Q as well as in other reports, materials and oral statements that the Company releases from time to time constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Generally, words such as “anticipate,” “estimate,” “expect,” “project,” “intend,” “believe,” “plan,” “target,” “forecast” and similar expressions are intended to identify forward-looking statements. Such forward-looking statements concern management’s expectations, strategic objectives, business prospects, anticipated economic performance and financial condition and other similar matters. Forward-looking statements are inherently uncertain and subject to a variety of assumptions, risks and uncertainties that could cause actual results to differ materially from those anticipated or expected by management of the Company. These statements are not guarantees of future performance and actual events or results may differ significantly from these statements. Actual events or results are subject to significant known and unknown risks, uncertainties and other important factors, including risks relating to weakening demand for the Company’s services as a result of unplanned customer suspensions, cancellations, rate reductions or non-renewals of vessel charters or failures to finalize commitments to charter vessels, increased government legislation and regulation of the Company’s businesses that could increase the cost of operations, increased competition if the Jones Act is repealed, liability, legal fees and costs in connection with the provision of emergency response services, decreased demand for the Company’s services as a result of declines in the global economy, declines in valuations in the global financial markets and a lack of liquidity in the credit sectors, including, interest rate fluctuations, availability of credit, inflation rates, change in laws, trade barriers, commodity prices and currency exchange fluctuations, the cyclical nature of the oil and gas industry, activity in foreign countries and changes in foreign political, military and economic conditions, changes in foreign and domestic oil and gas exploration and production activity, safety record requirements related to Ocean Services, decreased demand for Ocean Services due to construction of additional refined petroleum product, natural gas or crude oil pipelines or due to decreased demand for refined petroleum products, crude oil or chemical products or a change in existing methods of delivery, compliance with U.S. and foreign government laws and regulations, including environmental laws and regulations and economic sanctions, the dependence of Ocean Services and Inland Services on several key customers, consolidation of the Company’s customer base, the ongoing need to replace aging vessels, industry fleet capacity, restrictions imposed by the Shipping Acts on the amount of foreign ownership of the Company’s Common Stock, operational risks of Ocean Services and Inland Services, effects of adverse weather conditions and seasonality, the level of grain export volume, the effect of fuel prices on barge towing costs, variability in freight rates for inland river barges, the effect of international economic and political factors on Inland Services’ operations, the ability to realize anticipated benefits from acquisitions and other strategic transactions, adequacy of insurance coverage, the attraction and retention of qualified personnel by the Company, and various other matters and factors, many of which are beyond the Company’s control as well as those discussed in Item 1A (Risk Factors) of the Company’s Annual report on Form 10-K and other reports filed by the Company with the Securities and Exchange Commission (“SEC”). It should be understood that it is not possible to predict or identify all such factors. Consequently, the preceding should not be considered to be a complete discussion of all potential risks or uncertainties. Given these risk factors, investors and analysts should not place undue reliance on forward-looking statements. Forward-looking statements speak only as of the date of the document in which they are made. The Company disclaims any obligation or undertaking to provide any updates or revisions to any forward-looking statement to reflect any change in the Company’s expectations or any change in events, conditions or circumstances on which the forward-looking statement is based, except as required by law. It is advisable, however, to consult any further disclosures the Company makes on related subjects in its filings with the SEC, including Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K (if any). These statements constitute the Company’s cautionary statements under the Private Securities Litigation Reform Act of 1995.

Overview

The Company’s operations are divided into three main business segments – Ocean Transportation & Logistics Services (“Ocean Services”), Inland Transportation & Logistics Services (“Inland Services”) and Witt O’Brien’s. The Company also has activities, referred to and described under Other, that primarily include CLEANCOR Energy Solutions LLC (“Cleancor”), a full service solution provider that delivers clean fuel to end users, lending and leasing activities and noncontrolling investments in various other businesses.

Discontinued Operations. On June 1, 2017, the Company completed the spin-off of SEACOR Marine Holdings Inc. (“SEACOR Marine”), the company that operated SEACOR’s Offshore Marine Services business segment, by means of a dividend of all the issued and outstanding common stock of SEACOR Marine to SEACOR’s shareholders (the “Spin-off”). SEACOR Marine is now an independent company whose common stock is listed on the New York Stock Exchange under the symbol “SMHI.” The Company provides certain transition services to SEACOR Marine, including, among other things, information technology infrastructure, cash management and general accounting support services.

25

On July 3, 2017, the Company completed the sale of its 70% interest in Illinois Corn Processing LLC (“ICP”), the company that operated SEACOR’s Illinois Corn Processing business segment.

For all periods presented herein, the Company has reported the historical financial position, results of operations and cash flows of SEACOR Marine and ICP as discontinued operations.

Consolidated Results of Operations

The sections below provide an analysis of the Company’s operations by business segment for the three months (“Current Year Quarter”) and nine months (“Current Nine Months”) ended September 30, 2018 compared with the three months (“Prior Year Quarter”) and nine months (“Prior Nine Months”) ended September 30, 2017. See “Item 1. Financial Statements—Note 13. Segment Information” included in Part I of this Quarterly Report on Form 10-Q for consolidating segment tables for each period presented. Capitalized terms used and not specifically defined herein have the meaning given to those terms used in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

Ocean Transportation & Logistics Services
	Three Months Ended September 30,					Nine Months Ended September 30,
	2018			2017		2018			2017
	$’000		%	$’000	%	$’000		%	$’000		%
Operating Revenues:
United States	88,365		80	91,794	88	257,938		81	204,738		84
Foreign	21,574		20	11,986	12	59,540		19	38,704		16
	109,939		100	103,780	100	317,478		100	243,442		100
Costs and Expenses:
Operating:
Personnel	23,124		21	23,730	23	69,007		22	53,380		22
Repairs and maintenance	5,584		5	4,026	4	17,185		5	10,100		4
Dry-docking	1,888		2	6,883	7	11,484		4	10,273		4
Insurance and loss reserves	1,691		2	1,578	2	5,225		2	4,960		2
Fuel, lubes and supplies	9,067		8	5,492	5	27,690		9	12,790		5
Leased-in equipment	8,452		8	6,146	6	30,965		10	18,573		8
Other	14,877		13	18,011	17	43,504		13	26,994		11
	64,683		59	65,866	64	205,060		65	137,070		56
Administrative and general	9,170		8	9,612	9	30,047		9	24,728		10
Depreciation and amortization	11,298		10	13,516	13	35,563		11	32,792		14
	85,151		77	88,994	86	270,670		85	194,590		80
Gains (Losses) on Asset Dispositions and Impairments, Net	5,505		5	73	—	7,391		2	(342	)	—
Operating Income	30,293		28	14,859	14	54,199		17	48,510		20
Other Income (Expense):
Foreign currency gains (losses), net	(24	)	—	5	—	(151	)	—	8		—
Other, net	(96	)	—	59	—	585		—	118		—
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	2,073		1	1,493	2	3,655		1	8,150		3
Segment Profit(1)	32,246		29	16,416	16	58,288		18	56,786		23

______________________

(1) Includes amounts attributable to both SEACOR and noncontrolling interests. See “Item 1. Financial Statements—Note 9. Noncontrolling Interests in Subsidiaries” included in Part I of this Quarterly Report on Form 10-Q.

26

Operating Revenues by Service Line. The table below sets forth, for the periods indicated, operating revenues by service line.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
	$’000	%	$’000	%	$’000	%	$’000	%
Operating Revenues:
Petroleum Transportation:
Time charter	27,293	25	31,803	31	76,510	24	89,736	37
Bareboat charter	9,252	8	7,886	7	27,453	8	25,088	10
Voyage charter	4,443	4	1,269	1	11,833	4	3,863	2
Harbor, ocean towing and bunkering	20,347	18	18,867	18	63,087	20	56,040	23
PCTC, liner and short-sea transportation:
Time charter(1)	10,692	10	10,090	10	29,033	9	10,090	4
Voyage charter	11,253	10	9,411	9	35,912	11	9,411	4
Unit freight	14,964	14	12,433	12	43,384	14	36,763	15
Dry bulk transportation:
Contracts of affreightment	1,236	1	9,315	9	9,101	3	9,315	4
Voyage charter	9,542	9	2,037	2	18,751	6	2,037	1
Technical management services	917	1	669	1	2,414	1	1,099	—
	109,939	100	103,780	100	317,478	100	243,442	100

_______________________

(1) Includes MSP revenues of $4.8 million and $14.8 million for the three and nine months endedSeptember 30, 2018, respectively, and $4.7 million for the three and nine months endedSeptember 30, 2017.

International Shipholding Corporation Acquisition. On July 3, 2017, SEACOR acquired International Shipholding Corporation (“ISH”). Its subsidiaries include: United Ocean Services, which operated three Jones Act U.S.-flag bulk carriers supporting the cross-U.S. Gulf trade of fertilizer, phosphate rock, coal, and petroleum coke; Central Gulf Lines, Inc. (“CGL”); and Waterman Steamship Company (“Waterman”). CGL and Waterman are long-established U.S. based shipping lines that charter and operate vessels enrolled in the MSP. CGL time charters four U.S.-flag PCTCs to a third party when not moving U.S. military, commercial and U.S. government-impelled cargoes.

Current Year Quarter compared with Prior Year Quarter

Operating Revenues. Operating revenues were $6.2 million higher in the Current Year Quarter compared with the Prior Year Quarter.

Operating revenues from harbor, ocean towing and bunkering were $1.5 million higher primarily due to an increase in harbor towing activities resulting from higher port traffic.

Operating revenues from PCTC, liner and short-sea transportation were $5.0 million higher primarily due to an increase in military and commercial cargo activity for the PCTCs and an increase in cargo shipping demand for short-sea transportation.

Operating revenues from dry bulk transportation were $0.6 million lower primarily due to the sale of one U.S.-flag bulk carrier in the Prior Year Quarter.

Operating revenues from technical management services were $0.3 million higher primarily due to managing additional third-party vessels.

Operating Expenses. Operating expenses were $1.2 million lower in the Current Year Quarter compared with the Prior Year Quarter primarily due to the sale of one U.S.-flag petroleum and chemical carrier during 2018 and regulatory dry-docking costs for another U.S.-flag petroleum and chemical carrier and one PCTC during the Prior Year Quarter. These decreases were partially offset by higher dry-docking and repair activity for harbor tugs and higher voyage costs for the PCTCs, U.S.-flag bulk carriers and short-sea transportation vessels.

Administrative and general. Administrative and general expenses were $0.4 million lower in the Current Year Quarter compared with the Prior Year Quarter primarily due to personnel costs assumed in the ISH acquisition in the Prior Year Quarter.

Depreciation and amortization. Depreciation and amortization expenses were $2.2 million lower in the Current Year Quarter compared with the Prior Year Quarter primarily due to one U.S.-flag bulk carrier being fully depreciated in the preceding quarter and the impact of the sale-leaseback of one U.S.-flag petroleum and chemical carrier during 2017.

27

Gains (Losses) on Asset Dispositions and Impairments, Net. During the Current Year Quarter, the Company recognized previously deferred gains of $5.5 million due to a change in the lease duration for one U.S.-flag petroleum and chemical carrier.

Operating Income. Excluding gains (losses) on asset dispositions and impairments, net, operating income as a percentage of operating revenues was 23% in the Current Year Quarter compared with 14% in the Prior Year Quarter. The increase was primarily due to increased military and commercial cargo activity and lower dry-docking costs for U.S.-flag petroleum and chemical carriers and PCTCs.

Equity in Earnings of 50% or Less Owned Companies, Net of Tax. The Company recognized equity in earnings of 50% or less owned companies, net of tax, of $2.1 million in the Current Year Quarter compared with $1.5 million in the Prior Year Quarter. The increase is primarily due to improved operating results from Trailer Bridge, the Company’s joint venture operating in the Puerto Rico liner trade.

Current Nine Months compared with Prior Nine Months

Operating Revenues. Operating revenues were $74.0 million higher in the Current Nine Months compared with the Prior Nine Months.

Operating revenues from petroleum transportation were $2.9 million lower primarily due to the sale of one U.S.-flag petroleum and chemical carrier and more out-of-service time for regulatory dry-docking of U.S.-flag petroleum and chemical carriers in the Current Nine Months. These decreases were partially offset by operating revenues resulting from placing two newly built U.S.-flag petroleum and chemical carriers into service during the Prior Nine Months.

Operating revenues from harbor, ocean towing and bunkering were $7.0 million higher primarily due to an increase in harbor towing activities resulting from higher port traffic and the commencement of a time charter for one U.S.-flag offshore tug and a bareboat charter for another U.S.-flag offshore tug during the Current Nine Months.

Operating revenues from PCTC, liner and short-sea transportation were $52.1 million higher primarily due to the addition of four PCTCs acquired in the ISH acquisition, an increase in cargo shipping demand for short-sea transportation and the addition of two foreign-flag short-sea container/RORO vessels during the Current Nine Months.

Operating revenues from dry bulk transportation were $16.5 million higher primarily due to a full nine months of operations for the U.S.-flag bulk carriers acquired in the ISH acquisition on July 3, 2017.

Operating revenues from technical management services were $1.3 million higher primarily due to managing additional third-party vessels.

Operating Expenses. Operating expenses were $68.0 million higher in the Current Nine Months compared with the Prior Nine Months primarily due to the addition of the PCTCs and U.S.-flag bulk carriers acquired in the ISH acquisition and placing two newly built U.S.-flag petroleum and chemical carriers into service during the Prior Nine Months and two foreign-flag short-sea container/RORO vessels into service at the beginning of the Current Nine Months. These increases were partially offset by the sale of one U.S.-flag petroleum and chemical carrier in the Current Nine Months.

Administrative and general. Administrative and general expenses were $5.3 million higher in the Current Nine Months compared with the Prior Nine Months primarily due to additional personnel costs associated with the ISH acquisition and higher legal costs. These increases were partially offset by higher compensation costs in the Prior Nine Months related to the accelerated vesting of share awards as a consequence of the Spin-off.

Depreciation and amortization. Depreciation and amortization expenses were $2.8 million higher in the Current Nine Months compared with the Prior Nine Months primarily due to the addition of two U.S.-flag bulk carriers acquired in the ISH acquisition, the acquisition of three U.S.-flag harbor tugs that were previously leased-in and placing two foreign-flag short-sea container/RORO vessels into service during the Current Nine Months.

Gains (Losses) on Asset Dispositions and Impairments, Net. During the Current Nine Months, the Company sold one U.S.-flag petroleum and chemical carrier, one U.S.-flag harbor tug and other equipment for net proceeds of $5.1 million and gains of $1.9 million. Additionally, the Company recognized previously deferred gains of $5.5 million due to a change in the lease duration for one U.S.-flag petroleum and chemical carrier. During the Prior Nine Months, the Company recognized an impairment charge of $0.4 million due to the cancellation of an upgrade project for one harbor tug, partially offset by gains of $0.1 million related to the sale of other equipment.

Operating Income. Excluding gains (losses) on asset dispositions and impairments, net, operating income as a percentage of operating revenues was 15% in the Current Nine Months compared with 20% in the Prior Nine Months. The decrease was primarily due to the sale of one U.S.-flag petroleum and chemical carrier, placing two foreign-flag short-sea container/RORO vessels into service during the Current Nine Months, more out-of-service time for regulatory dry-docking and higher fuel costs.

28

Equity in Earnings of 50% or Less Owned Companies, Net of Tax. The Company recognized equity in earnings of 50% or less owned companies, net of tax, of $3.7 million in the Current Nine Months compared with $8.2 million in the Prior Nine Months primarily due to losses from the Company’s rail ferry joint ventures (RF Vessel Holdings and Golfo de Mexico) as a consequence of out-of-service time and associated dry-docking costs and repair expenses for the rail ferries and the sale of a U.S.-flag dry bulk articulated tug-barge by SeaJon during the Prior Nine Months. These decreases were partially offset by improved results from Trailer Bridge and KSM.

Fleet Count

The composition of Ocean Services’ fleet as of September 30 was as follows:

	Owned	Leased-in	Joint Ventured	Total
2018
Petroleum Transportation:
Petroleum and chemical carriers - U.S.-flag	7	3	—	10
Harbor, Ocean Towing and Bunkering:
Harbor tugs - U.S.-flag	19	5	—	24
Harbor tugs - Foreign-flag	6	—	2	8
Offshore tug - U.S.-flag	1	—	—	1
Ocean liquid tank barges - U.S.-flag	5	—	—	5
Ocean liquid tank barge - Foreign-flag	—	—	1	1
PCTC, Liner and Short-Sea Transportation:
PCTC(1) - U.S.-flag	—	4	—	4
Short-sea container/RORO(2) - Foreign-flag	9	—	—	9
RORO(2)/Deck barges - U.S.-flag	—	—	7	7
Rail ferries - Foreign-flag	—	—	2	2
Dry bulk Transportation:
Bulk carriers - U.S.-flag	2	—	—	2
	49	12	12	73
2017
Petroleum Transportation:
Petroleum and chemical carriers - U.S.-flag	8	3	—	11
Harbor, Ocean Towing and Bunkering:
Harbor tugs - U.S.-flag	15	8	—	23
Harbor tugs - Foreign-flag	6	—	2	8
Offshore tug - U.S.-flag	1	—	—	1
Ocean liquid tank barges - U.S.-flag	5	—	—	5
Ocean liquid tank barge - Foreign-flag	—	—	1	1
PCTC, Liner and Short-Sea Transportation:
PCTC(1) - U.S.-flag	—	4	—	4
Short-sea container/RORO(2) - Foreign-flag	7	—	—	7
RORO(2)/Deck barges - U.S.-flag	—	—	7	7
Rail ferries - Foreign-flag	—	—	2	2
Dry Bulk Transportation:
Bulk carrier - U.S.-flag	2	—	—	2
	44	15	12	71

______________________

(1) Pure Car/Truck Carrier.

(2) Roll On/Roll Off.

29

Inland Transportation & Logistics Services
	Three Months Ended September 30,								Nine Months Ended September 30,
	2018				2017				2018				2017
	$’000		%		$’000		%		$’000		%		$’000		%
					As Adjusted								As Adjusted
Operating Revenues:
United States	76,367		97		61,133		97		200,247		96		166,894		96
Foreign	2,478		3		1,909		3		7,928		4		7,146		4
	78,845		100		63,042		100		208,175		100		174,040		100
Costs and Expenses:
Operating:
Barge logistics	45,549		58		39,953		63		127,135		61		107,243		62
Personnel	4,220		5		4,249		7		13,271		7		12,831		7
Repairs and maintenance	1,554		2		897		2		4,310		2		3,057		2
Insurance and loss reserves	712		1		879		1		1,954		1		2,051		1
Fuel, lubes and supplies	1,950		2		1,367		2		5,783		3		4,793		3
Leased-in equipment	2,980		4		1,408		2		7,000		3		5,576		3
Other	4,614		6		3,926		6		12,473		6		10,600		6
Net barge pool earnings attributable to third parties	4,088		5		1,143		2		4,283		2		2,827		2
	65,667		83		53,822		85		176,209		85		148,978		86
Administrative and general	3,230		4		3,141		5		9,758		4		11,658		6
Depreciation and amortization	6,197		8		6,329		10		18,674		9		19,404		11
	75,094		95		63,292		100		204,641		98		180,040		103
Gains on Asset Dispositions, Net	513		—		5,136		8		6,178		3		11,260		6
Operating Income	4,264		5		4,886		8		9,712		5		5,260		3
Other Income:
Foreign currency gains (losses), net	(282	)	—		992		1		238		—		730		—
Other, net	—		—		—		—		14		—		—		—
Equity in Losses of 50% or Less Owned Companies, Net of Tax	(1,245	)	(2	)	(1,235	)	(2	)	(3,115	)	(2	)	(4,877	)	(2	)
Segment Profit(1)	2,737		3		4,643		7		6,849		3		1,113		1

______________________

(1) Includes amounts attributable to both SEACOR and noncontrolling interests. See “Item 1. Financial Statements—Note 9. Noncontrolling Interests in Subsidiaries” included in Part I of this Quarterly Report on Form 10-Q.

Adoption of Revenue Recognition Accounting Standard. On January 1, 2018, the Company adopted Financial Accounting Standard Board (“FASB”) Topic 606, Revenue from Contracts with Customers (“Topic 606”). As a consequence of adopting Topic 606, the Company now recognizes all of the operating revenues and expenses associated with the dry-cargo barge pools it manages along with additional operating expenses reflective of barge pool earnings attributable to third-party barge owners and not the Company in its capacity as manager. Under Topic 606, the Company determined it was a principal with respect to the third-party barge owners. Previously, the Company recognized operating revenues and expenses only for its proportionate share of the barge pools in which it participated as it acted as an agent. All prior period results have been adjusted to reflect the retrospective adoption of Topic 606. The adoption of Topic 606 had no impact on previously reported operating income, net income or earnings per share. See “Item 1. Financial Statements—Note 1. Basis of Presentation and Accounting Policies ” included in Part I of this Quarterly Report on Form 10-Q.

30

Operating Revenues by Service Line. The table below sets forth, for the periods indicated, operating revenues by service line.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
	$’000	%	$’000	%	$’000	%	$’000	%
			As Adjusted				As Adjusted
Operating Revenues:
Dry-cargo barge pools(1)	59,782	76	45,911	73	151,478	73	123,624	71
Charter-out of dry-cargo barges	—	—	560	1	5	—	1,663	1
International liquid tank barge operations	2,477	3	1,909	3	7,928	4	7,146	4
Terminal operations	9,590	12	8,505	13	28,453	14	24,449	14
Fleeting operations	5,162	7	4,472	7	15,190	7	13,380	8
Inland river towboat operations and other activities	1,834	2	1,685	3	5,121	2	3,778	2
	78,845	100	63,042	100	208,175	100	174,040	100

______________________

(1) Operating revenues for the three and nine months endedSeptember 30, 2018 includes $25.4 million and $63.2 million, respectively, attributable to third-party barge owners participating in dry-cargo barge pools managed by the Company. Operating revenues for the three and nine months endedSeptember 30, 2017 includes $18.4 million and $49.1 million, respectively, attributable to third-party barge owners participating in dry-cargo barge pools managed by the Company.

Current Year Quarter compared with Prior Year Quarter

Operating Revenues. Operating revenues were $15.8 million higher in the Current Year Quarter compared with the Prior Year Quarter.

Operating revenues from the dry-cargo barge pools were $13.9 million higher primarily due to increased loadings and higher freight rates.

Operating revenues from the charter-out of dry-cargo barges were $0.5 million lower primarily due to barges coming off charter and being placed in the dry-cargo barge pool or sold in the Prior Year Quarter.

Operating revenues from international liquid tank barge operations were $0.6 million higher primarily due to favorable operating conditions allowing for the movement of a higher volume of cargo and shorter cycle times for voyages.

Operating revenues from terminal operations were $1.1 million higher primarily due to increased container movements. The increase was partially offset by lower throughput at the Company’s liquid terminal and a change in product throughput in the St. Louis terminal locations. The Company’s St. Louis terminal locations saw a reduction in imported steel throughput as a consequence of recently imposed tariffs.

Operating revenues from fleeting operations were $0.7 million higher primarily due to higher barge activity levels in the St. Louis harbor.

Operating Expenses. Operating expenses were $11.8 million higher in the Current Year Quarter compared with the Prior Year Quarter. Barge logistics expenses were $5.6 million higher primarily due to higher towing and switching costs as a consequence of higher activity levels and increased towing rates. Repairs and maintenance costs were $0.7 million higher primarily due to repairs on three fleeting harbor boats and certain terminal locations. Fuel, lubes and supplies expenses were $0.6 million higher primarily due to increased activity in the Company’s fleeting locations and higher fuel prices. Leased-in equipment expenses were $1.6 million higher primarily due to more bought-in freight in the Company’s dry-cargo barge pool operations. Other operating expenses were $0.7 million higher primarily due to increased container movements.

Gains on Asset Dispositions, Net. During the Current Year Quarter, the Company recognized previously deferred gains of $0.5 million. During the Prior Year Quarter, the Company sold one towboat and other equipment for net proceeds of $7.7 million and gains of $4.5 million. In addition, the Company recognized previously deferred gains of $0.6 million.

Operating Income. Excluding gains on asset dispositions, net, operating income as a percentage of operating revenues was 5% in the Current Year Quarter compared with no operating income in the Prior Year Quarter. The improvement was primarily due to increased loadings and higher freight rates for the dry-cargo barge pools.

31

Foreign currency gains (losses), net. During the Current Year Quarter, foreign currency losses were primarily due to a weakening of the Colombian peso in relation to the U.S. dollar underlying certain of the Company’s intercompany lease obligations. During the Prior Year Quarter, foreign currency gains were primarily due to a strengthening of the Colombian peso in relation to the U.S. dollar underlying certain of the Company’s intercompany lease obligations.

Current Nine Months compared with Prior Nine Months

Operating Revenues. Operating revenues were $34.1 million higher in the Current Nine Months compared with the Prior Nine Months.

Operating revenues from the dry-cargo barge pools were $27.9 million higher primarily due to increased loadings and higher freight rates.

Operating revenues from the charter-out of dry-cargo barges were $1.7 million lower primarily due to barges coming off charter and being placed in the dry-cargo barge pool or sold in the Prior Nine Months.

Operating revenues from international liquid tank barge operations were $0.8 million higher primarily due to favorable operating conditions allowing for the movement of a higher volume of cargo and shorter cycle times for voyages.

Operating revenues from terminal operations were $4.0 million higher primarily due to increased container movements and increased throughput activity at St. Louis area terminals.

Operating revenues from fleeting operations were $1.8 million higher primarily due to higher activity levels in the St. Louis harbor in conjunction with the commencement of the fall harvest in the U.S.

Operating revenues from inland river towboat operations and other activities were $1.3 million higher primarily due to lease revenues for two towboats chartered out and the completion of machine and repair services provided to third parties.

Operating Expenses. Operating expenses were $27.2 million higher in the Current Nine Months compared with the Prior Nine Months. Barge logistics expenses were $19.9 million higher primarily due to higher towing and switching costs as a consequence of higher activity levels and increased towing rates. Personnel costs were $0.4 million higher primarily due to higher activity levels at the Company’s terminal and fleeting locations in the St. Louis harbor. Repairs and maintenance costs were $1.3 million higher primarily due to scheduled maintenance for certain of the Company’s barges and harbor boats. Fuel, lubes and supplies were $1.0 million higher primarily due to increased activity in the Company’s fleeting locations and higher fuel prices. Leased-in equipment expenses were $1.4 million higher primarily due to more bought-in freight in the Company’s dry-cargo barge pool operations. Other operating expenses were $1.9 million higher primarily due to increased container movements.

Administrative and general. Administrative and general expenses were $1.9 million lower in the Current Nine Months compared with the Prior Nine Months primarily due to higher compensation costs in the Prior Nine Months related to the accelerated vesting of share awards as a consequence of the Spin-off.

Gains on Asset Dispositions, Net. During the Current Nine Months, the Company sold 32 dry-cargo barges, two specialty barges and other equipment for net proceeds of $10.9 million and gains of $4.7 million. In addition, the Company recognized previously deferred gains of $1.5 million.

During the Prior Nine Months, the Company sold two towboats, 50 dry-cargo barges and other equipment for net proceeds of $27.5 million and gains of $17.6 million, of which $9.9 million were recognized currently and $7.7 million were deferred. Equipment dispositions included the sale-leaseback of 50 dry-cargo barges for $12.5 million with lease back terms of 84 months. In addition, the Company recognized losses of $0.4 million related to the total loss of an inland river liquid tank barge while being transported to Colombia and recognized previously deferred gains of $1.8 million.

Operating Income. Excluding gains on asset dispositions, net, operating income as a percentage of operating revenues was 2% in the Current Nine Months compared with operating loss as a percentage of operating revenues of 3% in the Prior Nine Months. The improvement was primarily due to increased loadings and higher freight rates, partially offset by higher barge logistics in the Current Nine Months expenses and higher compensation costs in the Prior Nine Months related to the accelerated vesting of share awards as a consequence of the Spin-off.

Foreign currency gains (losses), net. During the Current Nine Months and Prior Nine Months, foreign currency gains were primarily due to a strengthening of the Colombian peso in relation to the U.S. dollar underlying certain of the Company’s intercompany lease obligations.

32

Equity in Losses of 50% or Less Owned Companies, Net of Tax. During the Current Nine Months, equity in losses of 50% or less owned companies, net of tax, improved by $1.8 million. Operating results for SCF Bunge Marine improved by $1.3 million primarily due to favorable operating conditions, operating an additional towboat and higher towing rates. Operating results for Bunge-SCF Grain decreased by $1.0 million primarily due to additional operating expenses associated with operating the three grain elevators in Illinois acquired during the fourth quarter of 2017 and higher interest expense associated with financing the acquisition. Operating results for SCFCo improved by $1.4 million primarily due to higher demand for barge transportation and favorable operating conditions. In addition, the Company recognized interest income (not a component of segment profit) of $2.6 million and previously deferred gains of $1.0 million on notes due from and equipment previously sold to SCFCo.

Fleet Count

The composition of Inland Services’ fleet as of September 30 was as follows:

	Owned	Leased-in	Joint Ventured	Pooled or Managed	Total
2018
Dry-cargo barges	611	50	258	488	1,407
Liquid tank barges	20	—	—	—	20
Specialty barges	5	—	—	—	5
Towboats:
4,000 hp - 6,600 hp	3	4	11	—	18
3,300 hp - 3,900 hp	1	—	2	—	3
Less than 3,200 hp	2	—	—	—	2
Harbor boats:
1,100 hp - 2,000 hp	9	6	—	—	15
Less than 1,100 hp	9	—	—	—	9
	660	60	271	488	1,479
2017
Dry-cargo barges	641	50	258	494	1,443
Liquid tank barges	20	—	—	—	20
Specialty barges	10	—	—	—	10
Towboats:
4,000 hp - 6,600 hp	3	4	11	—	18
3,300 hp - 3,900 hp	1	—	2	—	3
Less than 3,200 hp	2	—	—	—	2
Harbor boats:
1,100 hp - 2,000 hp	9	6	—	—	15
Less than 1,100 hp	9	—	—	—	9
	695	60	271	494	1,520

33

Witt O'Brien's
	Three Months Ended September 30,					Nine Months Ended September 30,
	2018			2017		2018			2017
	$’000		%	$’000	%	$’000		%	$’000		%
Operating Revenues:
United States	29,388		97	8,642	89	92,132		98	21,396		90
Foreign	879		3	1,039	11	1,875		2	2,354		10
	30,267		100	9,681	100	94,007		100	23,750		100
Costs and Expenses:
Operating	16,240		54	6,068	63	58,945		63	15,483		65
Administrative and general	7,389		24	2,960	30	17,896		19	8,641		36
Depreciation and amortization	492		2	206	2	1,284		1	613		3
	24,121		80	9,234	95	78,125		83	24,737		104
Operating Income (Loss)	6,146		20	447	5	15,882		17	(987	)	(4	)
Other Income:
Foreign currency gains (losses), net	(12	)	—	29	—	(27	)	—	62		—
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	(13	)	—	100	1	90		—	237		1
Segment Profit (Loss)	6,121		20	576	6	15,945		17	(688	)	(3	)

Operating Revenues. Operating revenues were $20.6 million higher in the Current Year Quarter compared with the Prior Year Quarter and $70.3 million higher in the Current Nine Months compared with the Prior Nine Months primarily due to activity related to ongoing recovery projects in the U.S. Virgin Islands and Texas following the hurricanes of 2017.

Operating Expenses. Operating expenses were $10.2 million higher in the Current Year Quarter compared with the Prior Year Quarter and $43.5 million higher in the Current Nine Months compared with the Prior Nine Months primarily due to ongoing activities in the U.S. Virgin Islands and Texas consistent with increased operating revenues.

Administrative and general. Administrative and general expenses were $4.4 million higher in the Current Year Quarter compared with the Prior Year Quarter and $9.3 million higher in the Current Nine Months compared with the Prior Nine Months primarily due to increased personnel costs associated with ongoing recovery projects in the U.S. Virgin Islands and Texas following the hurricanes of 2017.

Depreciation and amortization. Depreciation and amortization expenses were $0.3 million higher in the Current Year Quarter compared with the Prior Year Quarter and $0.7 million higher in the Current Nine Months compared with the Prior Nine Months primarily due to the amortization of intangible assets acquired in a business acquisition during the first quarter of 2018.

Operating Income (Loss). Operating income as a percentage of operating revenues was 20% in the Current Year Quarter compared with 5% in the Prior Year Quarter and 17% in the Current Nine Months compared with operating loss as a percentage of operating revenues of 4% in the Prior Nine Months primarily due to activities in the U.S. Virgin Islands and Texas following the hurricanes of 2017.

34

Other

	Three Months Ended September 30,								Nine Months Ended September 30,
	2018				2017				2018				2017
	$’000		%		$’000		%		$’000		%		$’000		%
Operating Revenues:
United States	1,214		100		—		—		2,156		94		—		—
Foreign	—		—		116		100		143		6		348		100
	1,214		100		116		100		2,299		100		348		100
Costs and Expenses:
Operating	957		79		—		—		1,349		59		—		—
Administrative and general	606		50		180		155		1,290		56		559		161
Depreciation and amortization	202		16		—		—		264		11		—		—
	1,765		145		180		155		2,903		126		559		161
Operating Loss	(551	)	(45	)	(64	)	(55	)	(604	)	(26	)	(211	)	(61	)
Other Income:
Foreign currency losses, net	—		—		(12	)	(10	)	1		—		(12	)	(3	)
Other, net(2)	452		37		—		—		54,354		n/m		(300	)	(86	)
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax(2)	6		—		130		112		1,285		56		(581	)	(167	)
Segment Profit (Loss)(1)(2)	(93	)	(8	)	54		47		55,036		n/m		(1,104	)	(317	)

_____________________

(1) Includes amounts attributable to both SEACOR and noncontrolling interests. See “Item 1. Financial Statements—Note 9. Noncontrolling Interests in Subsidiaries” included in Part I of this Quarterly Report on Form 10-Q.

(2) The balance as a percentage of operating revenues is not meaningful (“n/m”).

Operating Activities. Operating activities in the Current Year Quarter and Current Nine Months primarily consists of the business activities of Cleancor, which the Company acquired on June 1, 2018.

Other, net. Other, net in the Current Nine Months primarily includes a gain of $53.9 million on the sale of the Company’s 34.2% interest in Hawker Pacific on April 30, 2018. Other, net in the Current Year Quarter primarily includes further gains on the sale of Hawker Pacific following the release of certain escrow amounts and the partial recovery of a note receivable previously reserved. Other, net in the Prior Nine Months primarily includes the settlement of a certain litigation matter.

Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax. The Company’s 50% or less owned companies primarily consist of general aviation services businesses in Asia, including Hawker Pacific prior to its sale, and an agricultural commodity trading and logistics business.

35

Corporate and Eliminations
	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
	$’000		$’000		$’000		$’000
Corporate Expenses	(6,136	)	(5,059	)	(18,534	)	(25,129	)
Eliminations	31		21		94		57
Operating Loss	(6,105	)	(5,038	)	(18,440	)	(25,072	)
Other Income (Expense):
Derivative gains, net	—		—		—		19,727
Foreign currency gains (losses), net	(10	)	(45	)	(45	)	110
Other, net	1		5		(2	)	250

Corporate Expenses. Corporate expenses in the Current Year Quarter compared with the Prior Year Quarter were higher primarily due to higher professional fees and compensation costs. Corporate expenses in the Current Nine Months compared with the Prior Nine Months were lower primarily due to amounts charged to SEACOR Marine for transition services provided pursuant to the transition services agreement entered into in connection with the Spin-off, a reduction in audit fees and lower compensation costs following the Spin-off and the accelerated vesting of certain incentive share awards in December 2017 in advance of changes in the U.S. federal income tax code.

Derivative gains, net. Derivative gains, net in the Prior Nine Months primarily related to changes in the fair value of the exchange option liability on SEACOR Marine’s convertible senior notes. Following the Spin-off, the exchange option on SEACOR Marine’s convertible senior notes terminated as the notes became the sole obligation of SEACOR Marine and are convertible only into the common stock of SEACOR Marine.

Other Income (Expense) not included in Segment Profit (Loss)
	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
	$’000		$’000		$’000		$’000
Interest income	2,450		2,367		6,485		6,651
Interest expense	(8,335	)	(9,121	)	(25,502	)	(31,101	)
Debt extinguishment gains (losses), net	(160	)	3		(5,609	)	(94	)
Marketable security gains (losses), net	1,713		(12,478	)	(1,303	)	(13,316	)
	(4,332	)	(19,229	)	(25,929	)	(37,860	)

Interest income. Interest income was higher in the Current Year Quarter compared with the Prior Year Quarter primarily due to higher interest on cash balances partially offset by lower interest from other investments. Interest income in the Current Nine Months was lower compared with the Prior Nine Months primarily due to lower outstanding balances of notes receivable from 50% or less owned companies and lower interest from other investments partially offset by higher interest on cash balances.

Interest expense. Interest expense in the Current Year Quarter and Current Nine Months was lower compared with the Prior Year Quarter and Prior Nine Months primarily due to the redemption of a portion of the Company’s 2.5% Convertible Senior Notes and the reduction of the outstanding balances under the SEA-Vista Credit Facility during 2017, partially offset by lower capitalized interest and a $2.0 million reduction in interest expense in 2017 related to the reversal of accumulated accrued interest on an income tax provision recorded in conjunction with the spin-off of Era Group Inc. in 2013.

Debt extinguishment gains (losses), net. During the Current Nine Months, the Company exchanged $117.8 million aggregate principal amount of the Company’s outstanding 3.0% Convertible Senior Notes due 2028 for a like principal amount of new 3.25% Convertible Senior Notes due 2030. In addition, the Company repurchased $0.3 million in principal amount of its 3.0% Convertible Senior Notes for $0.3 million and repurchased $5.7 million in principal amount of its 7.375% Senior Notes for $5.9 million. These transactions resulted in debt extinguishment losses of $5.6 million.

Marketable security gains (losses), net. The Company’s most significant marketable security position is its ownership of 5.2 million shares in Dorian LPG Ltd. (“Dorian”), a publicly traded company listed on the New York Stock Exchange under the symbol “LPG.” Marketable security gains (losses), net in all periods are primarily related to unrealized gains or losses on the Company’s investment in Dorian.

36

Income Taxes

During the nine months endedSeptember 30, 2018, the Company’s effective income tax rate of 14.4% was primarily due to foreign sourced income not subject to U.S. tax partially offset by income taxes on Subpart F income.

Liquidity and Capital Resources

General

The Company’s ongoing liquidity requirements arise primarily from working capital needs, capital commitments and its obligations to repay debt. The Company may use its liquidity to fund acquisitions, repurchase shares of SEACOR common stock, par value $0.01 per share (“Common Stock”), for treasury, repurchase its outstanding notes or make other investments. Sources of liquidity are cash balances, marketable securities, construction reserve funds and cash flows from operations. From time to time, the Company may secure additional liquidity through asset sales or the issuance of debt, shares of Common Stock or common stock of its subsidiaries, preferred stock or a combination thereof.

The Company's capital commitments as of September 30, 2018 by year of expected payment were as follows (in thousands):

	Remainder of 2018		2019		Total
Ocean Services	$	106	$	—	$	106
Inland Services	2,478		2,690		5,168
	$	2,584	$	2,690	$	5,274

As of September 30, 2018, the Company had outstanding debt of $528.4 million, net of discounts and issuance costs, and letters of credit totaling $10.1 million with various expiration dates through 2019. In addition, as of September 30, 2018, the Company has guaranteed payments of amounts owed under certain sale-leaseback transactions, equipment financing and multi-employer pension obligations on behalf of SEACOR Marine totaling $47.7 million (including $0.7 million of the letters of credit above), which decline as payments are made on the outstanding obligations. As of September 30, 2018, the holders of the Company’s outstanding principal balances of $111.9 million for the 3.0% Convertible Senior Notes, $64.5 million for the 2.5% Convertible Senior Notes and $117.8 million for the 3.25% Convertible Senior Notes may require the Company to repurchase the notes on November 19, 2020, December 19, 2022 and May 15, 2025, respectively. The Company’s long-term debt maturities, assuming the note holders require the Company to repurchase the notes on those dates, are as follows (in thousands):

Remainder of 2018	$	149,609
2019	8,511
2020	214,581
2021	500
2022	64,958
Years subsequent to 2022	124,148
	$	562,307

SEACOR’s Board of Directors previously approved a securities repurchase plan that authorizes the Company to acquire its Common Stock, 7.375% Senior Notes, 3.0% Convertible Senior Notes, 3.25% Convertible Senior Notes and 2.5% Convertible Senior Notes (collectively the “Securities”) through open market purchases, privately negotiated transactions or otherwise, depending on market conditions. As of September 30, 2018, the Company’s repurchase authority for the Securities was $71.1 million.

As of September 30, 2018, the Company held balances of cash, cash equivalents, restricted cash, restricted cash equivalents, marketable securities and construction reserve funds totaling $374.9 million. As of September 30, 2018, construction reserve funds of $5.9 million were classified as non-current assets in the accompanying condensed consolidated balance sheets as the Company has the intent and ability to use the funds to acquire qualifying equipment. Additionally, the Company had $72.0 million available under subsidiary credit facilities.

37

Summary of Cash Flows
	Nine Months Ended September 30,
	2018		2017
	$’000		$’000
Cash flows provided by or (used in):
Operating Activities-Continuing Operations	35,799		85,088
Operating Activities-Discontinued Operations	—		26,875
Investing Activities-Continuing Operations	94,764		(11,146	)
Investing Activities-Discontinued Operations	—		2,720
Financing Activities-Continuing Operations	(45,298	)	(86,747	)
Financing Activities-Discontinued Operations	—		(7,149	)
Effects of Exchange Rate Changes on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents-Continuing Operations	61		856
Effects of Exchange Rate Changes on Cash and Cash Equivalents-Discontinued Operations	—		208
Increase in Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	85,326		10,705

Operating Activities

Cash flows provided by continuing and discontinued operating activities decreased by $76.2 million in the Current Nine Months compared with the Prior Nine Months. The components of cash flows provided by (used in) operating activities during the Current Nine Months and Prior Nine Months were as follows:

	Nine Months Ended September 30,
	2018		2017
	$’000		$’000
Operating income from continuing operations before depreciation, amortization and gains on asset dispositions and impairments, net	104,249		71,271
Operating loss from discontinued operations before depreciation, amortization and gains on asset dispositions and impairments, net	—		(33,478	)
Changes in operating assets and liabilities before interest and income taxes	(37,713	)	(13,152	)
Purchases of marketable securities	—		(1,720	)
Proceeds from sale of marketable securities	13		52,551
Cash settlements on derivative transactions, net	—		1,267
Dividends received from 50% or less owned companies	4,197		14,163
Interest paid, excluding capitalized interest(1)	(14,708	)	(19,048	)
Income taxes (paid) refunded, net	(23,477	)	4,019
Other	3,238		36,090
Total cash flows provided by continuing and discontinued operating activities	35,799		111,963

_____________________

(1) During the Current Nine Months and Prior Nine Months, capitalized interest paid and included in purchases of property and equipment for continuing and discontinued operations was $0.2 million and $4.4 million, respectively.

Operating income from continuing operations before depreciation, amortization and gains on asset dispositions and impairments, net was $33.0 million higher in the Current Nine Months compared with the Prior Nine Months. See “Consolidated Results of Operations” included above for a discussion of the results of each of the Company’s business segments.

During the Prior Nine Months, cash flows provided by operating activities of continuing and discontinued operations included $52.6 million received from the sale of marketable security long positions.

Other cash flows provided by operating activities of continued and discontinued operations in the Prior Nine Months included $22.8 million for the amortization of stock expense and an $18.2 million gain on the sale of Illinois Corn Processing.

Investing Activities

During the Current Nine Months, net cash provided by investing activities of continuing operations was $94.8 million primarily as follows:

• Capital expenditures were $43.7 million. Equipment deliveries included five U.S.-flag harbor tugs and two foreign-flag short-sea container/RORO vessels.

38

• The Company sold one U.S.-flag petroleum and chemical carrier, one U.S.-flag harbor tug, 32 dry-cargo barges, two inland river specialty barges and other equipment for net proceeds of $16.0 million.

• Construction reserve fund account transactions included withdrawals of $45.4 million.

• The Company made investments in and advances to 50% or less owned companies of $9.8 million, including $5.4 million to VA&E, $2.1 million to Golfo de Mexico, $1.0 million to KSM and $0.9 million to RF Vessel Holdings.

• The Company received $8.2 million from its 50% or less owned companies, including $5.4 million from VA&E and $2.4 million from SCFCo.

• On April 30, 2018, the Company sold its interest in Hawker Pacific for $78.0 million.

During the Prior Nine Months, net cash used in investing activities of continuing operations was $11.1 million primarily as follows:

• Capital expenditures were $99.3 million. Equipment deliveries included two U.S.-flag petroleum and chemical carriers, one U.S.-flag harbor tug, two foreign-flag harbor tugs, two inland river liquid tank barges and three inland river towboats.

• The Company sold two inland river towboats, 50 dry-cargo barges and other equipment for net proceeds of $27.6 million. Equipment dispositions included the sale-leaseback of 50 dry-cargo barges for $12.5 million with leaseback terms of 84 months.

• Construction reserve fund account transactions included deposits of $13.8 million and withdrawals of $37.7 million.

• The Company made investments in and advances to 50% or less owned companies of $7.6 million, including $3.5 million to VA&E, $2.0 million to Trailer Bridge, $1.0 million to Avion, $0.9 million to SCFCo and $0.3 million to KSM.

• The Company received $9.7 million from its 50% or less owned companies, including $3.5 million from SeaJon, $2.1 million from Trailer Bridge, $2.0 million from Avion and $1.7 million from SCFCo.

• The Company received $5.0 million from the sale of a controlling interest in a subsidiary.

• The Company received $24.3 million from third-party leases and notes receivables.

• On July 3, 2017, the Company acquired all of the equity of ISH for a net purchase price of ($5.3) million net of cash acquired of $15.7 million.

During the Prior Nine Months, net cash provided by investing activities of discontinued operations was $2.7 million primarily as follows:

• Offshore Marine Services used net cash of $17.3 million related to the purchase and sale of equipment.

• Illinois Corn Processing used net cash of $1.2 million for the purchase of equipment.

• Offshore Marine Services received net cash of $4.1 million from construction reserve funds and restricted cash.

• Offshore Marine Services received net distributions of $5.0 million from its 50% or less owned companies.

• Offshore Marine Services used $7.8 million for business consolidations and acquisitions.

Financing Activities

During the Current Nine Months, net cash used in financing activities of continuing operations was $45.3 million. The Company:

• purchased $5.7 million in principal amount of its 7.375% Senior Notes for $5.9 million;

• purchased $0.3 million in principal amount of its 3.0% Convertible Senior Notes for $0.3 million;

• repaid $23.6 million under the SEA-Vista Credit Facility;

• repaid the outstanding balance of $12.2 million on the ISH Term Loan;

• repaid the outstanding balance of $1.4 million assumed in the ISH acquisition;

• made other scheduled payments on long-term debt of $0.5 million;

39

• incurred costs of $2.5 million related to the exchange of $117.8 million aggregate principal amount of the Company’s outstanding 3.0% Convertible Senior Notes due 2028 for a like principal amount of new 3.25% Convertible Senior Notes due 2030;

• paid dividends to noncontrolling interests of $5.1 million; and

• received $6.3 million from share award plans.

During the Prior Nine Months, net cash used in financing activities of continuing operations was $86.7 million. The Company:

• purchased $7.6 million in principal amount of its 7.375% Senior Notes for $7.7 million;

• purchased $61.7 million in principal amount of its 2.5% Convertible Senior Notes for total consideration of $61.9 million. Consideration of $60.5 million was allocated to the settlement of the long-term debt and $1.4 million was allocated to the purchase of the conversion option embedded in the 2.5% Convertible Senior Notes;

• borrowed $38.9 million and repaid $52.5 million under the SEA-Vista Credit Facility;

• repaid $12.2 million under the ISH Credit Facility;

• made other scheduled payments on long-term debt of $0.3 million;

• acquired 110,298 shares of Common Stock for treasury for an aggregate purchase price of $7.6 million from its employees to cover their tax withholding obligations related to share award transactions. These shares were purchased in accordance with the terms of the Company’s Share Incentive Plans and not pursuant to the repurchase authorization granted by SEACOR’s Board of Directors; and

• received $16.4 million from share award plans.

During the Prior Nine Months, net cash used in financing activities of discontinued operations was $7.1 million primarily due to a $7.4 million dividend to noncontrolling interests made by Illinois Corn Processing.

Short and Long-Term Liquidity Requirements

The Company anticipates it will continue to generate positive cash flows from operations and that these cash flows will be adequate to meet the Company’s working capital requirements. In support of the Company’s capital expenditure program and debt service requirements, the Company believes that a combination of cash balances on hand, cash generated from operating activities, funding under existing subsidiary financing arrangements and access to the credit and capital markets will provide sufficient liquidity to meet its obligations. The Company continually evaluates possible acquisitions and dispositions of certain businesses and assets. The Company’s sources of liquidity may be impacted by the general condition of the markets in which it operates and the broader economy as a whole, which may limit its access to the credit and capital markets on acceptable terms. Management will continue to closely monitor the Company’s liquidity and the credit and capital markets.

Off-Balance Sheet Arrangements

For a discussion of the Company's off-balance sheet arrangements, refer to “Liquidity and Capital Resources” contained in the Company's Annual Report on Form 10-K for the year ended December 31, 2017. There has been no material change in the Company’s off-balance sheet arrangements during the Current Nine Months. In addition, the Company has issued letters of credit or guaranteed the payments of amounts owed under certain sale-leaseback transactions, equipment financing and multi-employer pension obligations on behalf of SEACOR Marine. As of September 30, 2018, guarantees on behalf of SEACOR Marine totaled $47.7 million and will decline as payments are made on the outstanding obligations.

Contractual Obligations and Commercial Commitments

For a discussion of the Company's contractual obligations and commercial commitments, refer to “Liquidity and Capital Resources” contained in the Company's Annual Report on Form 10-K for the year ended December 31, 2017. There has been no material change in the Company’s contractual obligations and commercial commitments during the Current Nine Months.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

For a discussion of the Company’s exposure to market risk, refer to Item 7A. “Quantitative and Qualitative Disclosures About Market Risk” contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017. There has been no material change in the Company’s exposure to market risk during the Current Nine Months.

40

ITEM 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

With the participation of the Company’s principal executive officer and principal financial officer, management evaluated the effectiveness of the Company’s disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) as of September 30, 2018. Based on their evaluation, the Company’s principal executive officer and principal financial officer concluded that the Company’s disclosure controls and procedures were effective as of September 30, 2018.

The Company’s disclosure controls and procedures have been designed to ensure that information required to be disclosed by the Company in the reports it files or furnishes 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. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by the Company in the reports it files or submits under the Exchange Act is accumulated and communicated to the Company’s management, including its principal executive and principal financial officers, to allow timely decisions regarding required disclosures. All internal control systems, no matter how well designed, have inherent limitations. Therefore, even those internal control systems determined to be effective can provide only a level of reasonable assurance with respect to financial statement preparation and presentation.

Changes in Internal Control Over Financial Reporting

Except for the addition of certain controls in connection with the adoption of Financial Accounting Standard Board Topic 606, Revenue from Contracts with Customers, there were no other changes in the Company’s internal control over financial reporting (as defined in Rules 13a-15 and 15d-15 under the Exchange Act) that occurred during the three months ended September 30, 2018 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

41

PART II—OTHER INFORMATION

ITEM 1.LEGAL PROCEEDINGS

For a description of developments with respect to pending legal proceedings described in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2017, see Note 12. “Commitments and Contingencies” included in Part I. Item 1. “Financial Statements” elsewhere in this Quarterly Report on Form 10-Q.

ITEM 1A.RISK FACTORS

For a discussion of the Company’s risk factors, refer to Item 1A. “Risk Factors” contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017. There have been no material changes in the Company’s risk factors during the Current Nine Months.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

(c) This table provides information with respect to purchases by the Company of shares of its Common Stock during the Current Year Quarter:

Period	Total Number Of Shares Purchased(1)	Average Price  Paid Per Share		Total Number of Shares Purchased as Part of Publicly  Announced Plans or Programs	Maximum Value of Securities that may Yet be Purchased under the Plans or Programs(1)
July 1 – 31, 2018	—	$	—	—	$	71,775,851
August 1 – 31, 2018	—	$	—	—	$	71,775,851
September 1 – 30, 2018	—	$	—	—	$	71,141,315

______________________

(1) SEACOR’s Board of Directors previously approved a securities repurchase plan that authorizes the Company to acquire its Common Stock, 7.375% Senior Notes, 3.0% Convertible Senior Notes, 3.25% Convertible Senior Notes and 2.5% Convertible Senior Notes (collectively the “Securities”) through open market purchases, privately negotiated transactions or otherwise, depending on market conditions. During the Current Year Quarter, the Company repurchased $4.0 million in principal amount of its 7.375% Senior Notes thereby reducing repurchase authority under the plan.

ITEM 3. DEFAULT UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

None.

42

ITEM 6. EXHIBITS

31.1	Certification by the Principal Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended.
31.2	Certification by the Principal Financial Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended.
32.1	Certification by the Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Certification by the Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS**	XBRL Instance Document
101.SCH**	XBRL Taxonomy Extension Schema
101.CAL**	XBRL Taxonomy Extension Calculation Linkbase
101.DEF**	XBRL Taxonomy Extension Definition Linkbase
101.LAB**	XBRL Taxonomy Extension Label Linkbase
101.PRE**	XBRL Taxonomy Extension Presentation Linkbase

______________________

** Pursuant to Rule 406T of Regulation S-T, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933 or Section 18 of the Securities Exchange Act of 1934 and otherwise are not subject to liability.

43

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.

			SEACOR Holdings Inc. (Registrant)
DATE:	October 23, 2018	By:	/S/ CHARLES FABRIKANT
			Charles Fabrikant, Executive Chairman of the Board and Chief Executive Officer (Principal Executive Officer)
DATE:	October 23, 2018	By:	/S/ BRUCE WEINS
			Bruce Weins, Senior Vice President and Chief Financial Officer (Principal Financial Officer)

44

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Charles Fabrikant, certify that:

1. I have reviewed this quarterly report on Form 10-Q of SEACOR Holdings Inc.;

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

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

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

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

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

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

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

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

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

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

Date:	October 23, 2018
/s/ CHARLES FABRIKANT
Name:	Charles Fabrikant
Title:	Executive Chairman and Chief Executive Officer (Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Bruce Weins, certify that:

1. I have reviewed this quarterly report on Form 10-Q of SEACOR Holdings Inc.;

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

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

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

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

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

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

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

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

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

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

Date:	October 23, 2018
/s/ BRUCE WEINS
Name:	Bruce Weins
Title:	Senior Vice President and Chief Financial Officer (Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Charles Fabrikant, as Principal Executive Officer of SEACOR Holdings Inc. (the “Company”), certify, pursuant to 18 U.S.C. § 1350, as adopted by Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) the accompanying Quarterly Report on Form 10-Q for the period ending September 30, 2018 as filed with the U.S. Securities and Exchange Commission (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.

Dated: October 23, 2018

/S/ CHARLES FABRIKANT

Charles Fabrikant

Executive Chairman and Chief Executive Officer

(Principal Executive Officer)

EX-32.2

Exhibit 32.2

CERTIFICATION

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Bruce Weins, as Principal Financial Officer of SEACOR Holdings Inc. (the “Company”), certify, pursuant to 18 U.S.C. § 1350, as adopted by Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) the accompanying Quarterly Report on Form 10-Q for the period ending September 30, 2018 as filed with the U.S. Securities and Exchange Commission (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.

Dated: October 23, 2018

/s/ BRUCE WEINS

Bruce Weins

Senior Vice President and

Chief Financial Officer

(Principal Financial Officer)

XML

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2018	Oct. 22, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	SEACOR HOLDINGS INC /NEW/
Entity Central Index Key	0000859598
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Common Stock, Shares Outstanding		18,246,825

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 324,564	$ 239,246
Restricted cash and restricted cash equivalents	2,990	2,982
Marketable securities	41,445	42,761
Receivables:
Trade, net of allowance for doubtful accounts of $3,465 and $2,390 in 2018 and 2017, respectively	151,217	110,465
Other	45,197	33,870
Inventories	5,139	4,377
Prepaid expenses and other	6,087	6,594
Total current assets	576,639	440,295
Property and Equipment:
Historical cost	1,403,886	1,380,469
Accumulated depreciation	(545,179)	(502,544)
Net property and equipment	858,707	877,925
Investments, at Equity, and Advances to 50% or Less Owned Companies	149,184	173,441
Construction Reserve Funds	5,908	51,339
Goodwill	32,767	32,761
Intangible Assets, Net	25,724	28,106
Other Assets	8,938	9,469
Total Assets	1,657,867	1,613,336
Current Liabilities:
Current portion of long-term debt	155,737	77,842
Accounts payable and accrued expenses	56,533	44,013
Other current liabilities	66,179	57,330
Total current liabilities	278,449	179,185
Long-Term Debt	372,657	501,505
Deferred Income Taxes	99,565	101,422
Deferred Gains and Other Liabilities	60,502	77,863
Total liabilities	811,173	859,975
SEACOR Holdings Inc. stockholders’ equity:
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued nor outstanding	0	0
Common stock, $.01 par value, 60,000,000 shares authorized; 38,914,817 and 38,656,505 shares issued in 2018 and 2017, respectively	389	387
Additional paid-in capital	1,593,430	1,573,013
Retained earnings	479,495	419,128
Shares held in treasury of 20,671,627 and 20,716,878 in 2018 and 2017, respectively, at cost	(1,366,773)	(1,368,300)
Accumulated other comprehensive loss, net of tax	(444)	(545)
Stockholders' equity attributable to parent, total	706,097	623,683
Noncontrolling interests in subsidiaries	140,597	129,678
Total equity	846,694	753,361
Liabilities and stockholders' equity, total	$ 1,657,867	$ 1,613,336

XML

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Trade receivables, allowance for doubtful accounts	$ 3,465	$ 2,390
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	60,000,000	60,000,000
Common stock, shares issued (in shares)	38,914,817	38,656,505
Treasury stock, shares held in treasury (in shares)	20,671,627	20,716,878
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0

XML

Condensed Consolidated Statements Of Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Operating Revenues	$ 220,257	$ 176,605	$ 621,912	$ 441,495
Costs and Expenses [Abstract]
Operating	147,529	125,692	441,474	301,275
Administrative and general	26,083	20,531	76,189	68,949
Depreciation and amortization	18,616	20,501	57,069	54,689
Total costs and expenses	192,228	166,724	574,732	424,913
Gains on Asset Dispositions and Impairments, Net	6,018	5,209	13,569	10,918
Operating Income	34,047	15,090	60,749	27,500
Other Income (Expense):
Interest income	2,450	2,367	6,485	6,651
Interest expense	(8,335)	(9,121)	(25,502)	(31,101)
Debt extinguishment gains (losses), net	(160)	3	(5,609)	(94)
Marketable security gains (losses), net	1,713	(12,478)	(1,303)	(13,316)
Derivative gains, net	0	0	0	19,727
Foreign currency gains (losses), net	(328)	969	16	898
Other, net	357	64	54,951	68
Total Other Nonoperating Income (Expense)	(4,303)	(18,196)	29,038	(17,167)
Income (Loss) from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings of 50% or Less Owned Companies	29,744	(3,106)	89,787	10,333
Income Tax Expense (Benefit)	3,362	(12,795)	12,934	(12,563)
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	26,382	9,689	76,853	22,896
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	821	488	1,915	2,929
Income from Continuing Operations	27,203	10,177	78,768	25,825
Income (Loss) from Discontinued Operations, Net of Tax	0	10,927	0	(23,150)
Net Income	27,203	21,104	78,768	2,675
Net Income attributable to Noncontrolling Interests in Subsidiaries	10,136	3,543	15,934	13,839
Net Income (Loss) attributable to SEACOR Holdings Inc.	$ 17,067	$ 17,561	$ 62,834	$ (11,164)
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.:
Continuing operations (in dollars per share)	$ 0.94	$ 0.38	$ 3.48	$ 0.55
Discontinued operations (in dollars per share)	0.00	0.62	0.00	(1.20)
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc. (in dollars per share)	0.94	1.00	3.48	(0.65)
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.:
Continuing operations (in dollars per share)	0.88	0.38	3.21	0.55
Discontinued operations (in dollars per share)	0.00	0.62	0.00	(1.19)
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc. (in dollars per share)	$ 0.88	$ 1.00	$ 3.21	$ (0.64)
Weighted Average Common Shares Outstanding:
Basic (in shares)	18,108,388	17,508,770	18,052,274	17,265,140
Diluted (in shares)	21,192,554	17,637,824	22,508,622	17,510,560

XML

Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net Income	$ 27,203	$ 21,104	$ 78,768	$ 2,675
Other Comprehensive Income:
Foreign currency translation gains (losses)	(76)	425	59	2,147
Reclassification of foreign currency translation losses to foreign currency gains (losses), net	15	0	15	0
Derivative losses on cash flow hedges	0	0	0	(389)
Other	0	5	0	(11)
Other Comprehensive Income (Loss), before Tax	(61)	430	74	1,889
Income tax benefit (expense)	2	(151)	27	(605)
Other Comprehensive Income (Loss), Net of Tax	(59)	279	101	1,284
Comprehensive Income	27,144	21,383	78,869	3,959
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	10,136	3,543	15,934	14,000
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	17,008	17,840	62,935	(10,041)
Interest Expense
Other Comprehensive Income:
Reclassification of derivative gains (losses) on cash flow hedges	0	0	0	33
Equity Method Investments
Other Comprehensive Income:
Reclassification of derivative gains (losses) on cash flow hedges	$ 0	$ 0	$ 0	$ 109

XML

Condensed Consolidated Statement Of Changes In Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Shares Held In Treasury	Accumulated Other Comprehensive Loss	Noncontrolling Interests In Subsidiaries
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Impact of adoption of accounting principle	$ (2,467)
December 31, 2017, As Adjusted	750,894	$ 387	$ 1,573,013	$ 416,661	$ (1,368,300)	$ (545)	$ 129,678
December 31, 2017 at Dec. 31, 2017	753,361	387	1,573,013	419,128	(1,368,300)	(545)	129,678
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee Stock Purchase Plan	1,527				1,527
Exercise of stock options	4,753	1	4,752
Director stock awards	106		106
Restricted stock	0	1	(1)
Net issuance of conversion option on exchange of convertible debt, net of tax	12,735		12,735
Purchase of conversion option in convertible debt, net of tax	(5)		(5)
Amortization of share awards	2,830		2,830
Acquisition of a subsidiary with noncontrolling interests	96						96
Distributions to noncontrolling interests	(5,111)						(5,111)
Net income	78,768			62,834			15,934
Other comprehensive income	101					101
September 30, 2018 at Sep. 30, 2018	$ 846,694	$ 389	$ 1,593,430	$ 479,495	$ (1,366,773)	$ (444)	$ 140,597

XML

Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Statement of Cash Flows [Abstract]
Net Cash Provided by Operating Activities of Continuing Operations	$ 35,799	$ 85,088
Cash Flows from Investing Activities of Continuing Operations:
Purchases of property and equipment	(43,736)	(99,306)
Proceeds from disposition of property and equipment	15,952	27,614
Investments in and advances to 50% or less owned companies	(9,836)	(7,636)
Return of investments and advances from 50% or less owned companies	8,176	9,676
Proceeds from the sale of 50% or less owned companies	78,015	5,000
Payments received on third-party leases and notes receivable, net	452	24,349
Withdrawals from construction reserve funds	45,431	37,714
Deposits into construction reserve funds	0	(13,807)
Business acquisitions, net of cash acquired	310	5,250
Net cash provided by (used in) investing activities of continuing operations	94,764	(11,146)
Cash Flows from Financing Activities of Continuing Operations:
Payments on long-term debt and capital lease obligations	(43,967)	(133,151)
Proceeds from issuance of long-term debt, net of issue costs	(2,495)	38,900
Purchase of conversion option in convertible debt	(5)	(1,354)
Common stock acquired for treasury	0	(7,569)
Proceeds from share award plans	6,280	16,427
Distributions to noncontrolling interests	(5,111)	0
Net cash used in financing activities of continuing operations	(45,298)	(86,747)
Effects of Exchange Rate Changes on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	61	856
Net Increase (Decrease) in Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents from Continuing Operations	85,326	(11,949)
Cash Flows from Discontinued Operations:
Operating Activities	0	26,875
Investing Activities	0	2,720
Financing Activities	0	(7,149)
Effects of Exchange Rate Changes on Cash and Cash Equivalents	0	208
Net Increase in Cash and Cash Equivalents from Discontinued Operations	0	22,654
Net Increase in Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	85,326	10,705
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning of Period	242,228	258,887
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, End of Period	327,554	269,592
Restricted Cash and Restricted Cash Equivalents, End of Period	2,990	2,436
Cash and Cash Equivalents, End of Period	$ 324,564	$ 267,156

XML

Basis of Presentation and Accounting Policies

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation and Accounting Policies

1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES

The condensed consolidated financial information for the three and nine months endedSeptember 30, 2018 and 2017 has been prepared by the Company and has not been audited by its independent registered certified public accounting firm. The condensed consolidated financial statements include the accounts of SEACOR Holdings Inc. and its consolidated subsidiaries. In the opinion of management, all adjustments (consisting of normal recurring adjustments) have been made to fairly present the Company’s financial position as of September 30, 2018, its results of operations for the three and nine months endedSeptember 30, 2018 and 2017, its comprehensive income (loss) for the three and nine months endedSeptember 30, 2018 and 2017, its changes in equity for the nine months endedSeptember 30, 2018, and its cash flows for the nine months endedSeptember 30, 2018 and 2017. Results of operations for the interim periods presented are not necessarily indicative of operating results for the full year or any future periods.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles in the United States have been condensed or omitted. These condensed consolidated financial statements should be read in conjunction with the financial statements and related notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

Unless the context otherwise indicates, any reference in this Quarterly Report on Form 10-Q to the “Company” refers to SEACOR Holdings Inc. and its consolidated subsidiaries and any reference in this Quarterly Report on Form 10-Q to “SEACOR” refers to SEACOR Holdings Inc. without its consolidated subsidiaries. Capitalized terms used and not specifically defined herein have the same meaning given those terms in the Company's Annual report on Form 10-K for the year ended December 31, 2017.

Adoption of New Accounting Standards. On January 1, 2018, the Company adopted Financial Accounting Standard Board (“FASB”) Topic 606, Revenue from Contracts with Customers (“Topic 606”). As a consequence of adopting Topic 606, the Company now recognizes all of the operating revenues and expenses associated with the dry-cargo barge pools it manages along with additional operating expenses reflective of barge pool earnings attributable to third-party barge owners and not the Company in its capacity as manager. Under Topic 606, the Company determined it was a principal with respect to the third-party barge owners. Previously, the Company recognized operating revenues and expenses only for its proportionate share of the barge pools in which it participated, as it acted as an agent. All prior period results have been adjusted to reflect the retrospective adoption of Topic 606. The adoption of Topic 606 had no impact on previously reported operating income, net income or earnings per share.

On January 1, 2018, the Company adopted ASU 2016-16, Intra-Entity Transfers of Assets Other Than Inventory, which eliminates the deferral of the tax effects of intercompany asset sales other than inventory until the transferred assets are sold to a third party or recovered through use. As a result of the adoption of the standard, the deferred tax charges previously recognized from those sales resulted in a decrease in deferred tax assets and a cumulative adjustment to retained earnings of $2.5 million in the condensed consolidated balance sheet and statement of changes in equity as of January 1, 2018.

Discontinued Operations. On June 1, 2017, the Company completed the spin-off of SEACOR Marine Holdings Inc. (“SEACOR Marine”), the company that operated SEACOR’s Offshore Marine Services business segment, by means of a dividend of all the issued and outstanding common stock of SEACOR Marine to SEACOR’s shareholders (the “Spin-off”). SEACOR Marine is now an independent company whose common stock is listed on the New York Stock Exchange under the symbol “SMHI.” For all periods presented herein, the Company has reported the historical financial position, results of operations and cash flows of SEACOR Marine as discontinued operations (see Note 14).

On July 3, 2017, the Company completed the sale of its 70% interest in Illinois Corn Processing LLC (“ICP”), the company that operated SEACOR’s Illinois Corn Processing business segment. For all periods presented herein, the Company has reported the historical financial position, results of operations and cash flows of ICP as discontinued operations (see Note 14).

Revenue Recognition. Revenue is recognized when (or as) the Company transfers promised goods or services to its customers in amounts that reflect the consideration to which the Company expects to be entitled to in exchange for those goods or services, which occurs when (or as) the Company satisfies its contractual obligations and transfers control of the promised goods or services to its customers. Costs to obtain or fulfill a contract are expensed as incurred.

Revenue from Contracts with Customers. Ocean Services primarily earns revenues from voyage charters, contracts of affreightment, harbor and ocean towing services, unit freight transportation services and technical ship management agreements with vessel owners (see Note 13). Ocean Services transfers control of the service to the customer and satisfies its performance obligation over the term of the contract, and therefore recognizes revenue over the term of the contract while related costs are expensed as incurred. Voyage charters are contracts to carry cargoes on a single voyage basis for a predetermined price, regardless of time to complete. Contracts of affreightment are contracts for cargoes that are committed on a multi-voyage basis for various periods of time, with minimum and maximum cargo tonnages specified over the period at a fixed or escalating rate per ton. Harbor and ocean towing services typically include operating harbor tugs alongside oceangoing vessels to escort them to their berth, assisting with the docking and undocking of these oceangoing vessels and escorting them back out to sea. They are contracted using prevailing port tariff terms on a per-use basis. In the unit freight trade, transportation services typically include transporting shipping containers, rail cars, project cargoes, automobiles and U.S. military vehicles and are generally contracted on a per unit basis for the specified cargo and destination, typically in accordance with a publicly available tariff rate or based on a negotiated rate when moving larger volumes over an extended period. Other operations primarily include technical ship management agreements whereby Ocean Services provides technical ship management services to third-party customers for a predetermined price over a specified period of time, typically a year or more.

Inland Services primarily earns revenues from contracts of affreightment, terminal operations, fleeting operations and repair and maintenance services (see Note 13). Inland Services transfers control of the service to the customer and satisfies its performance obligation over the term of the contract, and therefore recognizes revenue over the term of the contract while related costs are expensed as incurred. Contracts of affreightment are contracts whereby customers are charged an established rate per ton to transport cargo from point-to-point. Terminal operations includes tank farms and dry bulk and container handling facilities that are marketed under contractual rates and terms driven by throughput volume. Fleeting operations includes fleeting services whereby barges are held in fleeting areas for an agreed-upon day rate and shifting services whereby harbor boats are used to pick up and drop off barges to assist in assembling tows and to move barges to and from the dock for loading and unloading at predetermined per-shift fees. Other operations primarily include a machine shop specializing in towboat and barge cleaning, repair and maintenance services that are charged on an hourly or a fixed fee basis depending on the scope and nature of the work.

Witt O’Brien’s primarily earns revenues from time and material and retainer contracts (see Note 13). Witt O’Brien’s transfers control of the service to the customer and satisfies its performance obligation over the term of the contract, and therefore recognizes revenue over the term of the contract while related costs are expensed as incurred. Time and material contracts primarily relate to emergency response, debris management or consulting services that Witt O’Brien’s performs for a predetermined fee. Retainer contracts, which are nearly all with vessel services operators and oil companies, are contracted based on agreed-upon rates.

The Company’s Other business segment includes CLEANCOR Energy Solutions LLC (“Cleancor”) (see Note 2). Cleancor primarily earns revenues from the sale of liquefied natural gas (see Note 13). Under these arrangements, control of the goods are transfered to the customer and performance obligations are satisfied at a point in time, and therefore revenue is recognized upon delivery while any related costs are expensed as incurred.

Contract liabilities from contracts with customers arise when the Company has received consideration prior to performance and are included in other current liabilities in the accompanying condensed consolidated balance sheets. The Company’s contract liability activity for the nine months ended September 30 was as follows (in thousands):

	2018
Balance at beginning of period	$	983
Contract liabilities arising during the period	4,374
Revenue recognized upon completion of performance obligations during the period	(2,291		)
Balance at end of period	$	3,066

Lease Revenues. The Company’s lease revenues are primarily from time charters, bareboat charters and non-vessel rental agreements that are recognized ratably over the lease term as services are provided, typically on a per day basis. Under a time charter, the Company provides a vessel to a customer for a set term and is responsible for all operating expenses, typically excluding fuel. Under a bareboat charter, the Company provides a vessel to a customer for a set term and the customer assumes responsibility for all operating expenses and risks of operation. Under a non-vessel rental agreement, the Company provides non-vessel property or equipment to a customer for a set term and the customer assumes responsibility for all operating expenses and risks of operation.

Property and Equipment. Equipment, stated at cost, is depreciated using the straight-line method over the estimated useful life of the asset to an estimated salvage value. With respect to each class of asset, the estimated useful life is based upon a newly built asset being placed into service and represents the time period beyond which it is typically not justifiable for the Company to continue to operate the asset in the same or similar manner. From time to time, the Company may acquire older assets that have already exceeded their useful life as set forth in the Company’s useful life policy, in which case the Company depreciates such assets based on its best estimate of remaining useful life, typically the next survey or certification date.

As of September 30, 2018, the estimated useful life (in years) of each of the Company’s major categories of new equipment was as follows:

Petroleum and chemical carriers - U.S.-flag	25
Harbor and offshore tugs	25
Ocean liquid tank barges	25
Short-sea container/RORO(1)vessels	20
Dry bulk carriers - U.S.-flag	25
Inland river dry-cargo and specialty barges	20
Inland river liquid tank barges	25
Inland river towboats and harbor boats	25
Terminal and fleeting facilities	20

______________________

(1) Roll On/Roll Off.

Equipment maintenance and repair costs including the costs of routine overhauls, dry-dockings and inspections performed on vessels and equipment are charged to operating expense as incurred. Expenditures that extend the useful life or improve the marketing and commercial characteristics of equipment as well as major renewals and improvements to other properties are capitalized.

As of September 30, 2018, the Company’s construction in progress totaling $4.6 million primarily consisted of upgrades to inland river towboats and the construction of other Inland Services equipment, and is included in historical cost in the accompanying condensed consolidated balance sheets. Certain interest costs incurred during the construction of equipment are capitalized as part of the assets’ carrying values and are amortized over such assets’ estimated useful lives. During the nine months endedSeptember 30, 2018, capitalized interest totaled $0.2 million.

Impairment of Long-Lived Assets. The Company performs an impairment analysis of long-lived assets used in operations, including intangible assets, when indicators of impairment are present. These indicators may include a significant decrease in the market price of a long-lived asset or asset group, a significant adverse change in the extent or manner in which a long-lived asset or asset group is being used or in its physical condition, or a current period operating or cash flow loss combined with a history of operating or cash flow losses or a forecast that demonstrates continuing losses associated with the use of a long-lived asset or asset group. If the carrying values of the assets are not recoverable, as determined by the estimated undiscounted cash flows, the estimated fair value of the assets or asset groups are compared to their current carrying value and impairment charges are recorded if the carrying value exceeds fair value. The Company performs its testing on an asset or asset group basis. The Company’s estimates of undiscounted cash flows are highly subjective and actual results may vary from the Company’s estimates due to the uncertainty regarding projected financial performance. Generally, fair value is determined using valuation techniques, such as expected discounted cash flows or appraisals, as appropriate. During the nine months endedSeptember 30, 2018, the Company did not recognize any impairment charges related to long-lived assets held for use. During the nine months endedSeptember 30, 2017, the Company recognized impairment charges of $0.4 million related to long-lived assets held for use.

Impairment of 50% or Less Owned Companies. Investments in 50% or less owned companies are reviewed periodically to assess whether there is an other-than-temporary decline in the carrying value of the investment. In its evaluation, the Company considers, among other items, recent and expected financial performance and returns, impairments recorded by the investee and the capital structure of the investee. When the Company determines the estimated fair value of an investment is below carrying value and the decline is other-than-temporary, the investment is written down to its estimated fair value. Actual results may vary from the Company’s estimates due to the uncertainty regarding projected financial performance, the severity and expected duration of declines in value and the available liquidity in the capital markets to support the continuing operations of the investee, among other factors. Although the Company believes its assumptions and estimates are reasonable, the investee’s actual performance compared with the estimates could produce different results and lead to additional impairment charges in future periods. During the nine months endedSeptember 30, 2018 and 2017, the Company recognized impairment charges of $0.1 million and $0.9 million, respectively, related to its 50% or less owned companies, which are included in equity in earnings of 50% or less owned companies, net of tax in the accompanying consolidated statements of income (loss).

Income Taxes. During the nine months endedSeptember 30, 2018, the Company’s effective income tax rate of 14.4% was primarily due to foreign sourced income not subject to U.S. tax partially offset by income taxes on Subpart F income (see Note 6).

Deferred Gains. The Company has sold certain equipment to its 50% or less owned companies, entered into vessel sale-leaseback transactions with finance companies, and provided seller financing on sales of its equipment to third parties and its 50% or less owned companies. A portion of the gains realized from these transactions were deferred and recorded in deferred gains and other liabilities in the accompanying condensed consolidated balance sheets. Deferred gain activity related to these transactions for the nine months ended September 30 was as follows (in thousands):

	2018			2017
Balance at beginning of period	$	72,453		$	82,423
Deferred gains arising from asset sales	—			7,720
Amortization of deferred gains included in operating expenses as a reduction to rental expense	(8,991		)	(11,126		)
Amortization of deferred gains included in gains on asset dispositions and impairments, net(1)	(6,988		)	(1,764		)
Reclassification of deferred gains into historical cost on reacquired property and equipment	(3,052		)	—
Balance at end of period	$	53,422		$	77,253

______________________

(1) For the nine months endedSeptember 30, 2018, the Company recognized previously deferred gains of $5.5 million due to a change in the lease duration for one U.S.-flag petroleum and chemical carrier.

Accumulated Other Comprehensive Loss. The only component of accumulated other comprehensive loss for the nine months endedSeptember 30, 2018 was foreign currency translation adjustments.

Earnings Per Share. Basic earnings per common share of SEACOR is computed based on the weighted average number of common shares issued and outstanding during the relevant periods. Diluted earnings per common share of SEACOR is computed based on the weighted average number of common shares issued and outstanding plus the effect of potentially dilutive securities through the application of the treasury stock and if-converted methods. Dilutive securities for this purpose assumes restricted stock grants have vested, common shares have been issued pursuant to the exercise of outstanding stock options and common shares have been issued pursuant to the conversion of all outstanding convertible notes.

Computations of basic and diluted earnings per common share of SEACOR were as follows (in thousands, except share data):

	Three Months Ended September 30,					Nine Months Ended September 30,
	Net Income attributable to SEACOR		Average O/S Shares	Per Share		Net Income (Loss) Attributable to SEACOR			Average O/S Shares	Per Share
2018
Basic Weighted Average Common Shares Outstanding	$	17,067	18,108,388	$	0.94	$	62,834		18,052,274	$	3.48
Effect of Dilutive Share Awards:
Options and Restricted Stock(1)	—		303,285			—			299,405
Convertible Notes(2)	1,625		2,780,881			9,495			4,156,943
Diluted Weighted Average Common Shares Outstanding	$	18,692	21,192,554	$	0.88	$	72,329		22,508,622	$	3.21
2017
Basic Weighted Average Common Shares Outstanding	$	17,561	17,508,770	$	1.00	$	(11,164	)	17,265,140	$	(0.65	)
Effect of Dilutive Share Awards:
Options and Restricted Stock(3)	—		129,054			—			245,420
Convertible Notes(4)	—		—			—			—
Diluted Weighted Average Common Shares Outstanding	$	17,561	17,637,824	$	1.00	$	(11,164	)	17,510,560	$	(0.64	)

______________________

(1) For the three and nine months endedSeptember 30, 2018, diluted earnings per common share of SEACOR excluded 295,074 and 292,169, respectively, of certain share awards as the effect of their inclusion in the computation would be anti-dilutive.

(2) For the three months ended September 30, 2018, diluted earnings per common share of SEACOR excluded 1,408,719 of common shares issuable pursuant to the Company’s 3.0% Convertible Senior Notes as the effect of their inclusion in the computation would be anti-dilutive.

(3) For the three and nine months endedSeptember 30, 2017, diluted earnings per common share of SEACOR excluded 1,727,132 and 2,638,753, respectively, of certain share awards as the effect of their inclusion in the computation would be anti-dilutive. Diluted weighted average shares outstanding are calculated based on continuing operations.

(4) For the three and nine months endedSeptember 30, 2017, diluted earnings per common share of SEACOR excluded 1,889,027 and 2,488,460, respectively, of common shares issuable pursuant to the Company’s 2.5% Convertible Senior Notes and 2,801,147 and 2,801,147, respectively, of common shares issuable pursuant to the Company’s 3.0% Convertible Senior Notes as the effect of their inclusion in the computation would be anti-dilutive. Diluted weighted average shares outstanding are calculated based on continuing operations.

New Accounting Pronouncements. On February 25, 2016, the FASB issued a comprehensive new leasing standard that is meant to improve transparency and comparability among companies by requiring lessees to recognize a lease liability and a corresponding lease asset for virtually all lease contracts and also requires additional disclosures about leasing arrangements. The new standard is effective for interim and annual periods beginning after December 15, 2018. The Company will adopt this standard using a modified prospective approach to adoption with recognition of a cumulative-effect adjustment to the opening balance of retained earnings at the adoption date. The Company is in the process of preparing for implementation and currently believes that the adoption will have a material impact on its financial statements. Specifically, the Company will be recording material right-of-use assets and lease liabilities of approximately $150 - $175 million for certain of its equipment, office and land leases. The Company’s estimates are preliminary and are based on its current inventory of leases. If the Company enters into or exits material lease arrangements prior to adoption or makes material changes to certain of its assumptions, including lease discount rates, the Company’s estimates may change and those changes may be material.

On January 26, 2017, the FASB issued an amendment to the accounting standards, which simplified wording and removed step two of the goodwill impairment test. A goodwill impairment will now be the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. The FASB also eliminated the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform step two of the goodwill test. The new standard is effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2020, with early adoption permitted for interim or annual goodwill impairment tests on testing dates after January 1, 2017. The Company has not yet determined what impact, if any, the adoption of the new standard will have on its consolidated financial position, results of operations or cash flows.

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Business Acquisitions

9 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Business Acquisitions

2. BUSINESS ACQUISITIONS

Cleancor. On June 1, 2018, the Company acquired a controlling interest in Cleancor, a full service solution provider that delivers clean fuel to end users, through the acquisition of its partners’ 50% equity interest for $3.2 million in cash. In addition, immediately prior to consolidation, the Company contributed as capital $1.9 million of notes receivable due from Cleancor. The Company performed a fair value analysis and the purchase price was allocated to the acquired assets and liabilities based on their fair value resulting in no goodwill being recorded.

SCA. On March 1, 2018, the Company acquired Strategic Crisis Advisors LLC (“SCA”) for $1.3 million to be paid in two installments. The purchase price includes $0.8 million in contingent consideration that is dependent upon SCA meeting predetermined revenue targets for the twelve months following the acquisition date. The Company performed a fair value analysis and the purchase price was allocated to the acquired assets and liabilities based on their fair value resulting in no goodwill being recorded.

Purchase Price Allocation. The allocation of the purchase price for the Company’s acquisitions for the nine months endedSeptember 30, 2018 was as follows (in thousands):

Trade and other receivables	$	1,264
Other current assets	170
Investments, at Equity, and Advances to 50% or Less Owned Companies	(3,219		)
Property and Equipment	4,382
Intangible Assets	950
Notes receivable contributed as equity	(1,904		)
Other Assets	7
Accounts payable and other accrued liabilities(1)	(1,609		)
Other current liabilities	(269		)
Noncontrolling interests in subsidiaries	(82		)
Purchase price(2)	$	(310	)

______________________

(1) Includes $1.3 million of consideration to be paid in two installments.

(2) Purchase price is net of cash acquired totaling $3.6 million.

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Equipment Acquisitions and Dispositions

9 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Equipment Acquisitions and Dispositions

3. EQUIPMENT ACQUISITIONS AND DISPOSITIONS

During the nine months endedSeptember 30, 2018, capital expenditures were $43.7 million. Equipment deliveries during the nine months endedSeptember 30, 2018 included five U.S.-flag harbor tugs and two foreign-flag short-sea container/RORO vessels.

During the nine months endedSeptember 30, 2018, the Company sold one U.S.-flag petroleum and chemical carrier, one U.S.-flag harbor tug, 32 dry-cargo barges, two inland river specialty barges and other equipment for net proceeds of $16.0 million and gains of $6.6 million, all of which were recognized currently. In addition, the Company recognized previously deferred gains of $7.0 million.

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Investments, At Equity, And Advances To 50% Or Less Owned Companies

9 Months Ended

Sep. 30, 2018

Equity Method Investments and Joint Ventures [Abstract]

Investments, At Equity, And Advances To 50% Or Less Owned Companies

4. INVESTMENTS, AT EQUITY, AND ADVANCES TO 50% OR LESS OWNED COMPANIES

RF Vessel Holdings. RF Vessel Holdings owns two foreign-flag rail ferries. During the nine months ended September 30, 2018, the Company and its partner each contributed capital of $0.9 million to RF Vessel Holdings.

Golfo de Mexico. Golfo de Mexico operates the two foreign-flag rail ferries owned by RF Vessel Holdings. During the nine months ended September 30, 2018, the Company and its partner each contributed capital of $2.1 million to Golfo de Mexico.

KSM. KSM operates four foreign-flag harbor tugs and one foreign-flag ocean liquid tank barge in Freeport, Grand Bahama. During the nine months ended September 30, 2018, the Company and its partner each contributed capital of $1.0 million to KSM.

SCFCo. SCFCo operates dry-cargo barges and towboats on the Parana-Paraguay Rivers and a terminal facility at Port Ibicuy, Argentina. The Company has provided SCFCo with working capital advances, loans and financings. During the nine months ended September 30, 2018, the Company received repayments on these working capital advances, loans and financings of $2.4 million from SCFCo. As of September 30, 2018, $30.0 million of working capital advances, loans and financings remained outstanding.

SCF Bunge Marine. SCF Bunge Marine provides towing services on the U.S. Inland Waterways, primarily the Mississippi River, Illinois River, Tennessee River and Ohio River. During the nine months ended September 30, 2018, the Company contributed capital of $0.5 million to SCF Bunge Marine and received dividends of $2.9 million from SCF Bunge Marine.

O’Brien’s do Brazil. O’Brien’s do Brazil is an emergency consulting organization providing preparedness, response and recovery services in Brazil. During the nine months ended September 30, 2018, the Company received dividends of $0.2 million from O’Brien’s do Brazil.

Hawker Pacific. Hawker Pacific is an aviation sales and support organization and distributor of aviation components from leading manufacturers. On April 30, 2018, the Company sold its 34.2% interest in Hawker Pacific for $78.0 million in cash and recognized a gain of $53.9 million, which is included in other, net in the accompanying condensed consolidated statements of income (loss).

VA&E. VA&E primarily focuses on the global origination, trading and merchandising of sugar, pairing producers and buyers and arranging for the transportation and logistics of the product. During the nine months ended September 30, 2018, the Company received dividends of $0.4 million from VA&E. The Company provides an uncommitted revolving credit facility of up to $3.5 million and a subordinated loan of $3.5 million to VA&E. During the nine months ended September 30, 2018, the Company received repayments of $5.4 million and advanced $5.4 million on the revolving credit facility. As of September 30, 2018, the outstanding balance on the revolving credit facility and subordinated loan was $7.3 million, inclusive of accrued and unpaid interest.

Other. The Company’s other 50% or less owned companies are primarily industrial aviation businesses in Asia. During the nine months ended September 30, 2018, the Company received dividends of $0.8 million and repayments on advances of $0.4 million from these 50% or less owned companies. As of September 30, 2018, total advances outstanding were $2.0 million.

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Long-Term Debt

9 Months Ended

Sep. 30, 2018

Long-term Debt and Capital Lease Obligations [Abstract]

Long-Term Debt

5. LONG-TERM DEBT

SEACOR’s Board of Directors previously approved a securities repurchase plan that authorizes the Company to acquire SEACOR common stock, par value $0.01 per share (“Common Stock”), 7.375% Senior Notes, 3.0% Convertible Senior Notes, 3.25% Convertible Senior Notes and 2.5% Convertible Senior Notes (collectively the “Securities”) through open market purchases, privately negotiated transactions or otherwise, depending on market conditions. As of September 30, 2018, the Company’s remaining repurchase authority for the Securities was $71.1 million.

3.0% Convertible Senior Notes. On May 15, 2018, SEACOR exchanged $117.8 million aggregate principal amount of the Company’s outstanding 3.0% Convertible Senior Notes due 2028 for a like principal amount of new 3.25% Convertible Senior Notes due 2030 (see discussion below). In addition, during the nine months endedSeptember 30, 2018, the Company repurchased $0.3 million in principal amount of its 3.0% Convertible Senior Notes for $0.3 million. These transactions resulted in debt extinguishment losses of $5.3 million included in the accompanying condensed consolidated statements of income (loss). The outstanding principal amount of these notes was $111.9 million as of September 30, 2018.

3.25% Convertible Senior Notes. On May 15, 2018, SEACOR issued $117.8 million aggregate principal amount of its 3.25% Convertible Senior Notes due May 15, 2030 (the “3.25% Convertible Senior Notes”). Interest on the 3.25% Convertible Senior Notes is payable semi-annually on May 15 and November 15 of each year. Beginning May 15, 2025, contingent interest is payable during any subsequent semi-annual interest period if the average trading price of the 3.25% Convertible Senior Notes for a defined period is greater than or equal to $1,200 per bond ($1,000 face value). The amount of contingent interest payable for any such period will be equal to 0.45% per annum of such average trading price of the 3.25% Convertible Senior Notes. Prior to February 15, 2030, the 3.25% Convertible Senior Notes are convertible into shares of Common Stock, at a conversion rate (“Conversion Rate”) of 13.1920 shares per bond ($1,000 face value) only if certain conditions are met, as more fully described in the indenture. After February 15, 2030, holders may elect to convert at any time. The Company has reserved the maximum number of shares of Common Stock needed upon conversion, or 1,553,780 shares as of September 30, 2018. On or after May 15, 2022, the 3.25% Convertible Senior Notes may be redeemed, in whole or in part, at a price equal to 100% of the principal amount, plus accrued and unpaid interest to the date of redemption. On May 15, 2025, or if the Company undergoes a fundamental change, as more fully described in the indenture, the holders of the 3.25% Convertible Senior Notes may require SEACOR to purchase for cash all or part of the notes at a price equal to 100% of the principal amount, plus accrued and unpaid interest to the date of purchase.

The Company accounts separately for the liability and equity components of the 3.25% Convertible Senior Notes and the associated underwriting fees in a manner that reflects the Company’s non-convertible borrowing rate. Of the total issued amount of $117.8 million and offering costs of $2.5 million, the Company allocated $95.1 million and $2.0 million, respectively, to the liability component and $22.7 million and $0.5 million, respectively, to the equity component. The resulting debt discount and offering costs associated with the liability component are amortized as additional non-cash interest expense over the seven year period for which the debt is expected to be outstanding (May 15, 2025) for an overall effective annual interest rate of 7.2%.

7.375% Senior Notes. During the nine months endedSeptember 30, 2018, the Company repurchased $5.7 million in principal amount of its 7.375% Senior Notes for $5.9 million resulting in debt extinguishment losses of $0.2 million included in the accompanying condensed consolidated statements of income (loss). The outstanding principal amount of these notes was $147.4 million as of September 30, 2018. On October 1, 2018, the Company announced it would redeem all of its 7.375% Senior Notes on October 31, 2018 at a redemption price equal to 100% of the principal amount of the notes outstanding plus a make-whole premium to be calculated in accordance with the terms of the indenture governing the 7.375% Senior Notes, plus accrued and unpaid interest, if any, to the redemption date. As a consequence, the Company has included the principal amount of these notes in current portion of long-term debt in the accompanying condensed consolidated balance sheet.

SEA-Vista Credit Facility.During the nine months endedSeptember 30, 2018, SEA-Vista repaid $17.0 million on the Revolving Loan and made scheduled payments of $2.5 million on the Term A-1 Loan and $4.2 million on the Term A-2 Loan. As of September 30, 2018, SEA-Vista had $72.0 million of remaining borrowing capacity under the Revolving Loan.

ISH Credit Facility. During the nine months endedSeptember 30, 2018, ISH repaid the outstanding balance of $12.2 million on the ISH Term Loan and terminated the credit facility resulting in debt extinguishment losses of $0.1 million included in the accompanying condensed consolidated statements of income (loss).

Other. During the nine months endedSeptember 30, 2018, the Company made scheduled payments on other long-term debt of $0.5 million and repaid the remaining outstanding balance of $1.4 million assumed in the ISH acquisition.

Letters of Credit. As of September 30, 2018, the Company had outstanding letters of credit totaling $10.1 million with various expiration dates through 2019, including $0.7 million that have been issued on behalf of SEACOR Marine.

Guarantees. The Company has guaranteed the payments of amounts owed under certain sale-leaseback transactions, equipment financing and multi-employer pension obligations on behalf of SEACOR Marine. As of September 30, 2018, these guarantees on behalf of SEACOR Marine totaled $47.0 million and decline as payments are made on the outstanding obligations.

The Company earns a fee of 50 basis points per annum on these guarantees and outstanding letters of credit. For the three and nine months endedSeptember 30, 2018, the Company earned fees of $0.1 million and $0.2 million, respectively.

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Income Taxes

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

6. INCOME TAXES

The following table reconciles the difference between the statutory federal income tax rate for the Company and the effective income tax rate on continuing operations for the nine months ended September 30, 2018:

Statutory rate	21.0	%
Income subject to tonnage tax	(2.4	)%
Noncontrolling interests	(3.7	)%
Foreign earnings not subject to U.S. income tax	(17.7	)%
Foreign taxes not creditable against U.S. income tax	4.1	%
Subpart F income	12.3	%
State taxes	0.7	%
Other	0.1	%
	14.4	%

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Derivative Instruments And Hedging Strategies

9 Months Ended

Sep. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments And Hedging Strategies

7. DERIVATIVE INSTRUMENTS AND HEDGING STRATEGIES

The Company recognized gains on derivative instruments not designated as hedging instruments for the nine months ended September 30 as follows (in thousands):

	2018		2017
Exchange option liability on subsidiary convertible senior notes	$	—	$	19,436
Forward currency exchange, option and future contracts	—		291
	$	—	$	19,727

The exchange option liability on subsidiary convertible senior notes terminated as a consequence of the Spin-off as the notes became the sole obligation of SEACOR Marine and convertible only into the common stock of SEACOR Marine.

The Company enters and settles forward currency exchange, option and future contracts with respect to various foreign currencies. These contracts enable the Company to buy currencies in the future at fixed exchange rates, which could offset possible consequences of changes in currency exchange rates with respect to the Company’s business conducted outside of the United States. As of September 30, 2018, there were no outstanding forward currency exchange contracts.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements

8. FAIR VALUE MEASUREMENTS

The fair value of an asset or liability is the price that would be received to sell an asset or transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The Company utilizes a fair value hierarchy that maximizes the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value and defines three levels of inputs that may be used to measure fair value. Level 1 inputs are quoted prices in active markets for identical assets or liabilities. Level 2 inputs are observable inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly, including quoted prices for similar assets or liabilities in active markets, quoted prices in markets that are not active, inputs other than quoted prices that are observable for the asset or liability, or inputs derived from observable market data. Level 3 inputs are unobservable inputs that are supported by little or no market activity and are significant to the fair value of the assets or liabilities.

The Company’s financial assets and liabilities as of September 30, 2018 that are measured at fair value on a recurring basis were as follows (in thousands):

	Level 1		Level 2		Level 3
ASSETS
Cash, cash equivalents, restricted cash and restricted cash equivalents	$	327,554	$	—	$	—
Marketable securities(1)	41,445		—		—
Construction reserve funds	5,908		—		—

______________________

(1) Marketable security gains (losses), net include unrealized gains of $1.7 million and unrealized losses of $7.1 million for the three months ended September 30, 2018 and 2017, respectively, related to marketable security positions held by the Company as of September 30, 2018. Marketable security gains (losses), net include unrealized losses of $1.3 million and $7.2 million for the nine months ended September 30, 2018 and 2017, respectively, related to marketable security positions held by the Company as of September 30, 2018.

The estimated fair values of the Company’s other financial assets and liabilities as of September 30, 2018 were as follows (in thousands):

			Estimated Fair Value
	Carrying Amount		Level 1		Level 2		Level 3
ASSETS
Notes receivable from third parties (included in other receivables and other assets)	$	2,226	$	—	$	2,203	$	—
Investments, at cost, in 50% or less owned companies (included in other assets)	4,300		see below
LIABILITIES
Long-term debt, including current portion(1)	$	528,394	$	—	$	561,044	$	—

______________________

(1) The estimated fair value includes the embedded conversion options on the Company’s 3.0% Convertible Senior Notes and 3.25% Convertible Senior Notes.

The fair value of the Company’s long-term debt and notes receivable from third parties was estimated based upon quoted market prices or by using discounted cash flow analyses based on estimated current rates for similar types of arrangements. It was not practicable to estimate the fair value of certain of the Company’s investments, at cost, in 50% or less owned companies because of the lack of quoted market prices and the inability to estimate fair value without incurring excessive costs. Considerable judgment was required in developing certain of the estimates of fair value and, accordingly, the estimates presented herein are not necessarily indicative of the amounts that the Company could realize in a current market exchange.

The Company’s other assets and liabilities that were measured at fair value during the nine months ended September 30, 2018 were as follows (in thousands):

	Level 1		Level 2		Level 3
ASSETS
Investments, at equity, and advances in 50% or less owned companies	$	—	$	3,219	$	—

Investments, at equity, and advances in 50% or less owned companies. During the nine months ended September 30, 2018, the Company marked its investment in Cleancor to fair value as a consequence of the Company acquiring its partners’ 50% interest, resulting in a gain of $0.1 million, net of tax, based on the fair value of the acquired interest (see Note 2). In addition, during the nine months ended September 30, 2018, the Company identified indicators of impairment in one of its 50% or less owned companies and, as a consequence, recognized an impairment charge of $0.1 million for an other-than-temporary decline in fair value. The investment was determined to have an immaterial value.

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Noncontrolling Interests in Subsidiaries

9 Months Ended

Sep. 30, 2018

Noncontrolling Interest [Abstract]

Noncontrolling Interests in Subsidiaries

9. NONCONTROLLING INTERESTS IN SUBSIDIARIES

Noncontrolling interests in the Company’s consolidated subsidiaries were as follows (in thousands):

	Noncontrolling Interests				September 30, 2018		December 31, 2017
Ocean Services:
SEA-Vista	49%				$	139,566	$	128,550
Inland Services:
Other	3.0	%	–	51.8%	841		977
Other	5.0	%	–	11.8%	190		151
					$	140,597	$	129,678

SEA-Vista. SEA-Vista owns and operates the Company’s fleet of U.S.-flag petroleum and chemical carriers used in the U.S. coastwise trade of crude oil, petroleum and specialty chemical products. As of September 30, 2018, the net assets of SEA-Vista were $284.8 million. During the nine months endedSeptember 30, 2018, the net income of SEA-Vista was $32.6 million, of which $16.0 million was attributable to noncontrolling interests. During the nine months endedSeptember 30, 2017, the net income of SEA-Vista was $33.2 million, of which $16.3 million was attributable to noncontrolling interests.

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Multi-Employer and Defined Benefit Pension Plans

9 Months Ended

Sep. 30, 2018

Retirement Benefits [Abstract]

Multi-Employer and Defined Benefit Pension Plans

10. MULTI-EMPLOYER AND DEFINED BENEFIT PENSION PLANS

AMOPP. During the nine months ended September 30, 2018, the Company received notification from the AMOPP that the Company’s withdrawal liability as of September 30, 2017 would have been $34.4 million based on an actuarial valuation performed as of that date. That liability may change in future years based on various factors, primarily employee census. As of September 30, 2018, the Company has no intention to withdraw from the AMOPP and no deficit amounts have been invoiced. Depending upon the results of the future actuarial valuations and the ten-year rehabilitation plan, it is possible that the AMOPP will experience further funding deficits, requiring the Company to recognize additional payroll related operating expenses in the periods invoices are received or contribution levels are increased.

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Share Based Compensation

9 Months Ended

Sep. 30, 2018

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

Share Based Compensation

11. SHARE BASED COMPENSATION

Transactions in connection with the Company’s share based compensation plans during the nine months endedSeptember 30, 2018 were as follows:

Director stock awards granted	2,250
Employee Stock Purchase Plan (“ESPP”) shares issued	45,251
Restricted stock awards granted	121,850
Stock Option Activities:
Outstanding as of December 31, 2017	1,546,014
Granted	110,660
Exercised	(134,212	)
Outstanding as of September 30, 2018	1,522,462
Shares available for future grants and ESPP purchases as of September 30, 2018	916,254

Employee Stock Purchase Plans. On June 5, 2018, SEACOR’s stockholders approved an amendment to the 2009 Employee Stock Purchase Plan, whereby the number of shares available under the plan was increased by 300,000.

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Commitments And Contingencies

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments And Contingencies

12. COMMITMENTS AND CONTINGENCIES

The Company's capital commitments as of September 30, 2018 by year of expected payment were as follows (in thousands):

	Remainder of 2018		2019		Total
Ocean Services	$	106	$	—	$	106
Inland Services	2,478		2,690		5,168
	$	2,584	$	2,690	$	5,274

Ocean Services’ and Inland Services’ capital commitments included one inland river towboat and various other equipment and vessel improvements. Subsequent to September 30, 2018, the Company committed to purchase additional property and equipment for $14.7 million.

During 2012, the Company sold National Response Corporation (“NRC”), NRC Environmental Services Inc., SEACOR Response Ltd., and certain other subsidiaries to J.F. Lehman & Company, a private equity firm (the “SES Business Transaction”).

On December 15, 2010, O’Brien’s Response Management L.L.C. (“ORM”) and NRC were named as defendants in one of the several “master complaints” filed in the overall multi-district litigation relating to the Deepwater Horizon oil spill response and clean-up in the Gulf of Mexico, which is currently pending in the U.S. District Court for the Eastern District of Louisiana (the “MDL”). The “B3” master complaint naming ORM and NRC asserted various claims on behalf of a putative class against multiple defendants concerning the clean-up activities generally and the use of dispersants specifically. Both prior to and following the filing of the aforementioned “B3” master complaint, individual civil actions naming the Company, ORM, and/or NRC alleging B3 exposure-based injuries and/or damages were consolidated with the MDL and stayed pursuant to court order. On February 16, 2016, all but eleven B3 claims against ORM and NRC were dismissed with prejudice (the “B3 Dismissal Order”). On August 2, 2016, the Court granted an omnibus motion for summary judgment as it concerns ORM and NRC in its entirety, dismissing the remaining eleven plaintiffs’ claims against ORM and NRC with prejudice (the “Remaining Eleven Plaintiffs’ Dismissal Order”). The deadline to appeal both of these orders has expired. At present, the only remaining claim is the following:

• On April 8, 2013, the Company, ORM, and NRC were named as defendants in William and Dianna Fitzgerald v. BP Exploration et al., No. 2:13-CV-00650 (E.D. La.) (the “Fitzgerald Action”), which is a suit by a husband and wife whose son allegedly participated in the clean-up effort and became ill as a result of his exposure to oil and dispersants. While the decedent in the Fitzgerald Action’s claims against ORM and NRC were dismissed by virtue of the Remaining Eleven Plaintiffs’ Dismissal Order, the claim as against the Company remains stayed.

Following a status conference with the Court on February 17, 2017, the Court issued several new pretrial orders in connection with the remaining claims in the MDL. Various submissions followed, and on July 18, 2017, the Court issued an order dismissing all remaining “B3” claims in the MDL with prejudice, with the exception of certain claims specifically listed on an exhibit annexed to the order (the “Master MDL B3 Dismissal Order”). Nathan Fitzgerald, the decedent in the Fitzgerald Action, was listed on the exhibit annexed to the Master MDL B3 Dismissal Order. The Court has since issued a list of those plaintiffs compliant with its previous orders and thus whose “B3” claims remain pending; the last version of this compliance list was issued on April 6, 2018 and the claim for the decedent in the Fitzgerald Action remains listed as a pending claim. On April 9, 2018, the Court issued an order requiring remaining “B3” plaintiffs to submit particularized statements of claim, and such a statement was submitted on behalf of the decedent in the Fitzgerald Action on July 9, 2018. On September 20, 2018, the Court issued an order indicating which statements of claim were sufficient and which were not, requiring the latter plaintiffs to show cause; the statement submitted on behalf of the decedent in the Fitzgerald Action was deemed sufficient, requiring nothing further at the time of the order. The Company is unable to estimate the potential exposure, if any, resulting from this matter, to the extent it remains viable, but believes it is without merit and does not expect that it will have a material effect on its consolidated financial position, results of operations or cash flows.

On February 18, 2011, Triton Asset Leasing GmbH, Transocean Holdings LLC, Transocean Offshore Deepwater Drilling Inc., and Transocean Deepwater Inc. (collectively “Transocean”) named ORM and NRC as third-party defendants in a Rule 14(c) Third-Party Complaint in Transocean’s own Limitation of Liability Act action, which is part of the overall MDL, tendering to ORM and NRC the claims in the “B3” master complaint that have already been asserted against ORM and NRC. Various contribution and indemnity cross-claims and counterclaims involving ORM and NRC were subsequently filed. The Company believes that the potential exposure, if any, resulting therefrom has been reduced as a result of the various developments in the MDL, including the B3 Dismissal Order and Remaining Eleven Plaintiffs’ Dismissal Order, and does not expect that these matters will have a material effect on its consolidated financial position, results of operations or cash flows.

On November 16, 2012, 668 individuals who served as beach clean-up workers in Escambia County, Florida during the Deepwater Horizon oil spill response commenced a civil action in the Circuit Court for the First Judicial Circuit of Florida, in and for Escambia County, Abney et al. v. Plant Performance Services, LLC et al., No. 2012-CA-002947 (the “Abney Action”), in which they allege, among other things, that ORM and other defendants engaged in the contamination of Florida waters and beaches in violation of Florida Statutes Chapter 376 and injured the Plaintiffs by exposing them to dispersants during the course and scope of their employment. The Abney Action was removed to federal court and ultimately consolidated with the MDL on April 2, 2013. On April 22, 2013, a companion case to this matter was filed in the U.S. District Court for the Northern District of Florida, Abood et al. v. Plant Performance Services, LLC et al., No. 3:13-CV-00284 (N.D. Fla.) (the “Abood Action”), which alleges identical allegations against the same parties but names an additional 174 Plaintiffs, all of whom served as clean-up workers in various Florida counties during the Deepwater Horizon oil spill response. The Abood Action was consolidated with the MDL on May 10, 2013. By court order, both of these matters were then stayed since they were consolidated with the MDL. The names of only a very small percentage of the claimants in these two matters appear to be listed on the exhibit to the Master MDL B3 Dismissal Order and the Court has denied the other plaintiffs’ request for reconsideration, which has since been appealed. In their appellate brief, filed in the U.S. Court of Appeals for the Fifth Circuit on June 15, 2018, these individual claimants noted that ORM “has been effectively dismissed through other actions by the lower court and that dismissal is not the subject of this appeal.” Accordingly, claimants concede that the original B3 Dismissal Order bars their claims against ORM. Finally, both the Abney Action and the Abood Action were directed closed by Court order dated September 9, 2018 (the “Close Out Order”). The Close Out Order similarly listed various individual actions that had been dismissed as against ORM and NRC by virtue of the B3 Dismissal Order and/or the Remaining Eleven Plaintiffs’ Dismissal Order.

Separately, on March 2, 2012, the Court announced that BP Exploration and BP America Production Company (“BP America”) and (collectively “BP”) and the Plaintiffs had reached an agreement on the terms of two proposed class action settlements that will resolve, among other things, Plaintiffs’ economic loss claims and clean-up related claims against BP. The BP settlement pertaining to personal injury claims (the “Medical Settlement”) also established a right for class members to bring a lawsuit against BP (but not ORM or NRC) for later-manifested physical condition(s). These actions, referred to as back-end litigation-option (“BELO”) cases, have specifically-delineated procedures and limitations, as set forth in the Medical Settlement. For example, there are limitations on the claims and defenses that can be asserted, as well as on the issues, elements, and proofs that may be litigated at any trial and the potential recovery for any BELO plaintiff. Notwithstanding that the Company, ORM, and NRC are listed on the Medical Settlement’s release as to claims asserted by Plaintiffs, the Medical Settlement still permits BP to seek indemnity from any party, to the extent BP has a valid indemnity right. BP has purported to tender a number of individual BELO cases to ORM and/or NRC for indemnity pursuant to their service contracts with BP; as of close of business on September 30 2018, 101 BELO claims have been formally filed against BP that have been tendered to ORM and 14 BELO claims have been formally filed against BP that have been tendered to NRC. ORM and NRC have rejected BP’s contention that it is entitled to full defense and indemnity coverage from ORM and/or NRC for all of the BELO claims referenced in BP’s indemnity demands. Moreover, it is the Company’s position that (1) ORM has contractual indemnity coverage for the above-referenced BELO claims through its separate agreements with sub-contractors that worked for ORM during the Deepwater Horizon oil spill response and (2) NRC’s services contract with BP does not provide for broad contractual indemnity as BP contends. Discussions relating to these indemnity demands remain ongoing. Overall, however, the Company believes that both settlements, including the Medical Settlement, have reduced the potential exposure in connection with the various cases relating to the Deepwater Horizon oil spill response and clean-up. The Company is unable to estimate the potential exposure, if any, resulting from these claims but does not expect that they will have a material effect on its consolidated financial position, results of operations or cash flows.

In the ordinary course of the Company’s business, it may agree to indemnify its counterparty to an agreement. If the indemnified party makes a successful claim for indemnification, the Company would be required to reimburse that party in accordance with the terms of the indemnification agreement. Indemnification agreements generally, but not always, are subject to threshold amounts, specified claim periods and other restrictions and limitations.

In connection with the SES Business Transaction, the Company remains contingently liable for work performed in connection with the Deepwater Horizon oil spill response. Pursuant to the agreement governing the sale, the Company’s potential liability to the purchaser may not exceed the consideration received by the Company for the SES Business Transaction. The Company is currently indemnified under contractual agreements with BP for the potential B3 liabilities relating to cleanup work performed in connection with the Deepwater Horizon oil spill response; this indemnification is unrelated to, and thus not impacted by, the indemnification BP has demanded for the BELO cases referenced above.

In the ordinary course of its business, the Company becomes involved in various other litigation matters including, among other things, claims by third parties for alleged property damages and personal injuries. Management has used estimates in determining the Company’s potential exposure to these matters and has recorded reserves in its financial statements related thereto where appropriate. It is possible that a change in the Company’s estimates of that exposure could occur, but the Company does not expect such changes in estimated costs would have a material effect on the Company’s consolidated financial position, results of operations or cash flows.

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Segment Information

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Segment Information

13. SEGMENT INFORMATION

Accounting standards require public business enterprises to report information about each of their operating business segments that exceed certain quantitative thresholds or meet certain other reporting requirements. Operating business segments have been defined as components of an enterprise about which separate financial information is available and is evaluated regularly by the chief operating decision maker in deciding how to allocate resources and in assessing performance. Certain reclassifications and adjustments of prior period information have been made to conform the current period’s reportable segment presentation as a result of the Company’s presentation of discontinued operations and the adoption of Topic 606 (see Notes 1 and 14). The Company’s basis of measurement of segment profit or loss is as previously defined in the Company’s Annual report on Form 10-K for the year ended December 31, 2017. Accounting standards also require companies to disaggregate revenues from contracts with customers into categories to depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. The following tables summarize the operating results, capital expenditures assets and disaggregated revenues of the Company’s reportable segments.

	Ocean Services $’000		Inland Services $’000		Witt O’Brien’s $’000		Other $’000		Corporate and Eliminations $’000		Total $’000
For the three months ended September 30, 2018
Operating Revenues:
External customers	109,939		78,845		30,259		1,214		—		220,257
Intersegment	—		—		8		—		(8	)	—
	109,939		78,845		30,267		1,214		(8	)	220,257
Costs and Expenses:
Operating	64,683		65,667		16,240		957		(18	)	147,529
Administrative and general	9,170		3,230		7,389		606		5,688		26,083
Depreciation and amortization	11,298		6,197		492		202		427		18,616
	85,151		75,094		24,121		1,765		6,097		192,228
Gains on Asset Dispositions, Net	5,505		513		—		—		—		6,018
Operating Income (Loss)	30,293		4,264		6,146		(551	)	(6,105	)	34,047
Other Income (Expense):
Foreign currency losses, net	(24	)	(282	)	(12	)	—		(10	)	(328	)
Other, net	(96	)	—		—		452		1		357
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	2,073		(1,245	)	(13	)	6		—		821
Segment Profit (Loss)	32,246		2,737		6,121		(93	)
Other Income (Expense) not included in Segment Profit (Loss)											(4,332	)
Less Equity Earnings included in Segment Profit (Loss)											(821	)
Income Before Taxes and Equity Earnings											29,744

	Ocean Services $’000		Inland Services $’000		Witt O’Brien’s $’000		Other $’000		Corporate and Eliminations $’000		Total $’000
For the nine months ended September 30, 2018
Operating Revenues:
External customers	317,478		208,175		93,960		2,299		—		621,912
Intersegment	—		—		47		—		(47	)	—
	317,478		208,175		94,007		2,299		(47	)	621,912
Costs and Expenses:
Operating	205,060		176,209		58,945		1,349		(89	)	441,474
Administrative and general	30,047		9,758		17,896		1,290		17,198		76,189
Depreciation and amortization	35,563		18,674		1,284		264		1,284		57,069
	270,670		204,641		78,125		2,903		18,393		574,732
Gains on Asset Dispositions, Net	7,391		6,178		—		—		—		13,569
Operating Income (Loss)	54,199		9,712		15,882		(604	)	(18,440	)	60,749
Other Income (Expense):
Foreign currency gains (losses), net	(151	)	238		(27	)	1		(45	)	16
Other, net	585		14		—		54,354		(2	)	54,951
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	3,655		(3,115	)	90		1,285		—		1,915
Segment Profit	58,288		6,849		15,945		55,036
Other Income (Expense) not included in Segment Profit											(25,929	)
Less Equity Earnings included in Segment Profit											(1,915	)
Income Before Taxes and Equity Earnings											89,787
Capital Expenditures	38,786		4,075		—		747		128		43,736
As of September 30, 2018
Property and Equipment:
Historical cost	929,825		437,510		1,227		5,192		30,132		1,403,886
Accumulated depreciation	(331,625	)	(190,493	)	(1,007	)	(265	)	(21,789	)	(545,179	)
Net property and equipment	598,200		247,017		220		4,927		8,343		858,707
Investments, at Equity, and Advances to 50% or Less Owned Companies	62,999		61,304		345		24,536		—		149,184
Inventories	2,509		2,258		214		158		—		5,139
Goodwill	1,852		2,409		28,506		—		—		32,767
Intangible Assets	9,297		9,365		7,062		—		—		25,724
Other current and long-term assets, excluding cash and near cash assets(1)	54,416		78,461		63,578		2,177		12,807		211,439
Segment Assets	729,273		400,814		99,925		31,798
Cash and near cash assets(1)											374,907
Total Assets											1,657,867

______________________

(1) Cash and near cash assets includes cash, cash equivalents, restricted cash, restricted cash equivalents, marketable securities and construction reserve funds.

	Ocean Services $’000	Inland Services $’000	Witt O’Brien’s $’000	Other $’000	Corporate and Eliminations $’000		Total $’000
For the nine months ended September 30, 2018
Revenues from Contracts with Customers:
Voyage charters	66,496	—	—	—	—		66,496
Contracts of affreightment	9,101	159,406	—	—	—		168,507
Harbor & ocean towing	53,777	—	—	—	—		53,777
Unit freight	43,384	—	—	—	—		43,384
Terminal operations	—	27,291	—	—	—		27,291
Fleeting operations	—	13,325	—	—	—		13,325
Time and material contracts	—	—	84,896	—	—		84,896
Retainer contracts	—	—	7,456	—	—		7,456
Product sales(1)	—	—	—	1,618	—		1,618
Other	2,414	2,618	1,655	425	(47	)	7,065
Lease Revenues:
Time charter, bareboat charter and rental income	142,306	5,535	—	256	—		148,097
	317,478	208,175	94,007	2,299	(47	)	621,912

______________________

(1) Costs of goods sold related to product sales was $1.2 million.

	Ocean Services $’000	Inland Services $’000		Witt O’Brien’s $’000	Other $’000		Corporate and Eliminations $’000		Total $’000
		As Adjusted							As Adjusted
For the three months ended September 30, 2017
Operating Revenues:
External customers	103,780	63,042		9,667	116		—		176,605
Intersegment	—	—		14	—		(14	)	—
	103,780	63,042		9,681	116		(14	)	176,605
Costs and Expenses:
Operating	65,866	53,822		6,068	—		(64	)	125,692
Administrative and general	9,612	3,141		2,960	180		4,638		20,531
Depreciation and amortization	13,516	6,329		206	—		450		20,501
	88,994	63,292		9,234	180		5,024		166,724
Gains on Asset Dispositions, Net	73	5,136		—	—		—		5,209
Operating Income (Loss)	14,859	4,886		447	(64	)	(5,038	)	15,090
Other Income (Expense):
Foreign currency gains (losses), net	5	992		29	(12	)	(45	)	969
Other, net	59	—		—	—		5		64
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	1,493	(1,235	)	100	130		—		488
Segment Profit	16,416	4,643		576	54
Other Income (Expense) not included in Segment Profit									(19,229	)
Less Equity Earnings included in Segment Profit									(488	)
Loss Before Taxes, Equity Earnings and Discontinued Operations									(3,106	)

	Ocean Services $’000		Inland Services $’000		Witt O’Brien’s $’000		Other $’000		Corporate and Eliminations $’000		Total $’000
			As Adjusted								As Adjusted
For the nine months ended September 30, 2017
Operating Revenues:
External customers	243,442		174,040		23,665		348		—		441,495
Intersegment	—		—		85		—		(85	)	—
	243,442		174,040		23,750		348		(85	)	441,495
Costs and Expenses:
Operating	137,070		148,978		15,483		—		(256	)	301,275
Administrative and general	24,728		11,658		8,641		559		23,363		68,949
Depreciation and amortization	32,792		19,404		613		—		1,880		54,689
	194,590		180,040		24,737		559		24,987		424,913
Gains (Losses) on Asset Dispositions and Impairments, Net	(342	)	11,260		—		—		—		10,918
Operating Income (Loss)	48,510		5,260		(987	)	(211	)	(25,072	)	27,500
Other Income (Expense):
Derivative gains, net	—		—		—		—		19,727		19,727
Foreign currency gains (losses), net	8		730		62		(12	)	110		898
Other, net	118		—		—		(300	)	250		68
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	8,150		(4,877	)	237		(581	)	—		2,929
Segment Profit (Loss)	56,786		1,113		(688	)	(1,104	)
Other Income (Expense) not included in Segment Profit (Loss)											(37,860	)
Less Equity Earnings included in Segment Profit (Loss)											(2,929	)
Income Before Taxes, Equity Earnings and Discontinued Operations											10,333
Capital Expenditures	66,137		32,901		60		—		208		99,306
As of September 30, 2017
Property and Equipment:
Historical cost	1,028,685		446,759		1,227		—		29,532		1,506,203
Accumulated depreciation	(290,400	)	(175,669	)	(915	)	—		(20,065	)	(487,049	)
Net property and equipment	738,285		271,090		312		—		9,467		1,019,154
Investments, at Equity, and Advances to 50% or Less Owned Companies	53,388		65,738		782		55,479		—		175,387
Inventories	2,032		1,866		54		—		—		3,952
Goodwill	1,852		2,415		28,506		—		—		32,773
Intangible Assets	12,285		10,860		7,510		—		—		30,655
Other current and long-term assets, excluding cash and near cash assets(1)	44,845		54,295		13,802		1,807		22,251		137,000
Segment Assets	852,687		406,264		50,966		57,286
Cash and near cash assets(1)											384,044
Total Assets											1,782,965

______________________

(1) Cash and near cash assets includes cash, cash equivalents, restricted cash, restricted cash equivalents, marketable securities and construction reserve funds.

	Ocean Services $’000	Inland Services $’000	Witt O’Brien’s $’000	Other $’000	Corporate and Eliminations $’000		Total $’000
		As Adjusted					As Adjusted
For the nine months ended September 30, 2017
Revenues from Contracts with Customers:
Voyage charters	15,311	—	—	—	—		15,311
Contracts of affreightment	9,315	130,770	—	—	—		140,085
Harbor & ocean towing	49,184	—	—	—	—		49,184
Unit freight	36,763	—	—	—	—		36,763
Terminal operations	—	23,195	—	—	—		23,195
Fleeting operations	—	11,654	—	—	—		11,654
Time and material contracts	—	—	11,887	—	—		11,887
Retainer contracts	—	—	7,581	—	—		7,581
Other	1,099	2,522	4,282	348	(85	)	8,166
Lease Revenues:
Time charter, bareboat charter and rental income	131,770	5,899	—	—	—		137,669
	243,442	174,040	23,750	348	(85	)	441,495

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Discontinued Operations

9 Months Ended

Sep. 30, 2018

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations

14. DISCONTINUED OPERATIONS

The Company’s discontinued operations consist of SEACOR Marine and ICP as following the Spin-off and sale, respectively, the Company has no continuing involvement in either of these businesses (see Note 1). Summarized selected operating results of the Company’s discontinued operations were as follows (in thousands):

	Three Months Ended September 30, 2017		Nine Months Ended September 30, 2017
SEACOR Marine
Operating Revenues	$	—	$	62,291
Costs and Expenses:
Operating	—		65,888
Administrative and general	—		29,682
Depreciation and amortization	—		22,181
	—		117,751
Gains on Asset Dispositions, Net	—		4,219
Operating Loss	—		(51,241		)
Other Income, Net	—		1,780
Income Tax Benefit	—		(12,931		)
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	—		1,663
Net Loss	$	—	$	(34,867	)
Net Loss Attributable to Noncontrolling Interests	$	—	$	(1,892	)
ICP
Operating Revenues	$	—	$	78,061
Costs and Expenses:
Operating	—		76,306
Administrative and general	—		2,109
Depreciation and amortization	—		2,354
	—		80,769
Operating Loss	—		(2,708		)
Other Income, Net (including gain on sale of business)	18,223		20,558
Income Tax Expense	7,296		7,363
Net Income	$	10,927	$	10,487
Net Loss Attributable to Noncontrolling Interests	$	—	$	(539	)
Eliminations
Operating Revenues	$	—	$	(1,176	)
Costs and Expenses:
Operating	—		(1,289		)
Administrative and general	—		(42		)
	—		(1,331		)
Operating Income	—		155
Other Income, Net	—		1,738
Income Tax Expense	—		663
Net Income	$	—	$	1,230
Income (Loss) from Discontinued Operations, Net of Tax	$	10,927	$	(23,150	)

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Basis of Presentation and Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Basis Of Consolidation

The condensed consolidated financial information for the three and nine months endedSeptember 30, 2018 and 2017 has been prepared by the Company and has not been audited by its independent registered certified public accounting firm. The condensed consolidated financial statements include the accounts of SEACOR Holdings Inc. and its consolidated subsidiaries. In the opinion of management, all adjustments (consisting of normal recurring adjustments) have been made to fairly present the Company’s financial position as of September 30, 2018, its results of operations for the three and nine months endedSeptember 30, 2018 and 2017, its comprehensive income (loss) for the three and nine months endedSeptember 30, 2018 and 2017, its changes in equity for the nine months endedSeptember 30, 2018, and its cash flows for the nine months endedSeptember 30, 2018 and 2017. Results of operations for the interim periods presented are not necessarily indicative of operating results for the full year or any future periods.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles in the United States have been condensed or omitted. These condensed consolidated financial statements should be read in conjunction with the financial statements and related notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

Unless the context otherwise indicates, any reference in this Quarterly Report on Form 10-Q to the “Company” refers to SEACOR Holdings Inc. and its consolidated subsidiaries and any reference in this Quarterly Report on Form 10-Q to “SEACOR” refers to SEACOR Holdings Inc. without its consolidated subsidiaries. Capitalized terms used and not specifically defined herein have the same meaning given those terms in the Company's Annual report on Form 10-K for the year ended December 31, 2017.

New Accounting Pronouncements

New Accounting Pronouncements. On February 25, 2016, the FASB issued a comprehensive new leasing standard that is meant to improve transparency and comparability among companies by requiring lessees to recognize a lease liability and a corresponding lease asset for virtually all lease contracts and also requires additional disclosures about leasing arrangements. The new standard is effective for interim and annual periods beginning after December 15, 2018. The Company will adopt this standard using a modified prospective approach to adoption with recognition of a cumulative-effect adjustment to the opening balance of retained earnings at the adoption date. The Company is in the process of preparing for implementation and currently believes that the adoption will have a material impact on its financial statements. Specifically, the Company will be recording material right-of-use assets and lease liabilities of approximately $150 - $175 million for certain of its equipment, office and land leases. The Company’s estimates are preliminary and are based on its current inventory of leases. If the Company enters into or exits material lease arrangements prior to adoption or makes material changes to certain of its assumptions, including lease discount rates, the Company’s estimates may change and those changes may be material.

On January 26, 2017, the FASB issued an amendment to the accounting standards, which simplified wording and removed step two of the goodwill impairment test. A goodwill impairment will now be the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. The FASB also eliminated the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform step two of the goodwill test. The new standard is effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2020, with early adoption permitted for interim or annual goodwill impairment tests on testing dates after January 1, 2017. The Company has not yet determined what impact, if any, the adoption of the new standard will have on its consolidated financial position, results of operations or cash flows.

Adoption of New Accounting Standards. On January 1, 2018, the Company adopted Financial Accounting Standard Board (“FASB”) Topic 606, Revenue from Contracts with Customers (“Topic 606”). As a consequence of adopting Topic 606, the Company now recognizes all of the operating revenues and expenses associated with the dry-cargo barge pools it manages along with additional operating expenses reflective of barge pool earnings attributable to third-party barge owners and not the Company in its capacity as manager. Under Topic 606, the Company determined it was a principal with respect to the third-party barge owners. Previously, the Company recognized operating revenues and expenses only for its proportionate share of the barge pools in which it participated, as it acted as an agent. All prior period results have been adjusted to reflect the retrospective adoption of Topic 606. The adoption of Topic 606 had no impact on previously reported operating income, net income or earnings per share.

On January 1, 2018, the Company adopted ASU 2016-16, Intra-Entity Transfers of Assets Other Than Inventory, which eliminates the deferral of the tax effects of intercompany asset sales other than inventory until the transferred assets are sold to a third party or recovered through use. As a result of the adoption of the standard, the deferred tax charges previously recognized from those sales resulted in a decrease in deferred tax assets and a cumulative adjustment to retained earnings of $2.5 million in the condensed consolidated balance sheet and statement of changes in equity as of January 1, 2018.

Discontinued Operations

Discontinued Operations. On June 1, 2017, the Company completed the spin-off of SEACOR Marine Holdings Inc. (“SEACOR Marine”), the company that operated SEACOR’s Offshore Marine Services business segment, by means of a dividend of all the issued and outstanding common stock of SEACOR Marine to SEACOR’s shareholders (the “Spin-off”). SEACOR Marine is now an independent company whose common stock is listed on the New York Stock Exchange under the symbol “SMHI.” For all periods presented herein, the Company has reported the historical financial position, results of operations and cash flows of SEACOR Marine as discontinued operations (see Note 14).

On July 3, 2017, the Company completed the sale of its 70% interest in Illinois Corn Processing LLC (“ICP”), the company that operated SEACOR’s Illinois Corn Processing business segment. For all periods presented herein, the Company has reported the historical financial position, results of operations and cash flows of ICP as discontinued operations (see Note 14).

Revenue Recognition

Revenue Recognition. Revenue is recognized when (or as) the Company transfers promised goods or services to its customers in amounts that reflect the consideration to which the Company expects to be entitled to in exchange for those goods or services, which occurs when (or as) the Company satisfies its contractual obligations and transfers control of the promised goods or services to its customers. Costs to obtain or fulfill a contract are expensed as incurred.

Revenue from Contracts with Customers. Ocean Services primarily earns revenues from voyage charters, contracts of affreightment, harbor and ocean towing services, unit freight transportation services and technical ship management agreements with vessel owners (see Note 13). Ocean Services transfers control of the service to the customer and satisfies its performance obligation over the term of the contract, and therefore recognizes revenue over the term of the contract while related costs are expensed as incurred. Voyage charters are contracts to carry cargoes on a single voyage basis for a predetermined price, regardless of time to complete. Contracts of affreightment are contracts for cargoes that are committed on a multi-voyage basis for various periods of time, with minimum and maximum cargo tonnages specified over the period at a fixed or escalating rate per ton. Harbor and ocean towing services typically include operating harbor tugs alongside oceangoing vessels to escort them to their berth, assisting with the docking and undocking of these oceangoing vessels and escorting them back out to sea. They are contracted using prevailing port tariff terms on a per-use basis. In the unit freight trade, transportation services typically include transporting shipping containers, rail cars, project cargoes, automobiles and U.S. military vehicles and are generally contracted on a per unit basis for the specified cargo and destination, typically in accordance with a publicly available tariff rate or based on a negotiated rate when moving larger volumes over an extended period. Other operations primarily include technical ship management agreements whereby Ocean Services provides technical ship management services to third-party customers for a predetermined price over a specified period of time, typically a year or more.

Inland Services primarily earns revenues from contracts of affreightment, terminal operations, fleeting operations and repair and maintenance services (see Note 13). Inland Services transfers control of the service to the customer and satisfies its performance obligation over the term of the contract, and therefore recognizes revenue over the term of the contract while related costs are expensed as incurred. Contracts of affreightment are contracts whereby customers are charged an established rate per ton to transport cargo from point-to-point. Terminal operations includes tank farms and dry bulk and container handling facilities that are marketed under contractual rates and terms driven by throughput volume. Fleeting operations includes fleeting services whereby barges are held in fleeting areas for an agreed-upon day rate and shifting services whereby harbor boats are used to pick up and drop off barges to assist in assembling tows and to move barges to and from the dock for loading and unloading at predetermined per-shift fees. Other operations primarily include a machine shop specializing in towboat and barge cleaning, repair and maintenance services that are charged on an hourly or a fixed fee basis depending on the scope and nature of the work.

Witt O’Brien’s primarily earns revenues from time and material and retainer contracts (see Note 13). Witt O’Brien’s transfers control of the service to the customer and satisfies its performance obligation over the term of the contract, and therefore recognizes revenue over the term of the contract while related costs are expensed as incurred. Time and material contracts primarily relate to emergency response, debris management or consulting services that Witt O’Brien’s performs for a predetermined fee. Retainer contracts, which are nearly all with vessel services operators and oil companies, are contracted based on agreed-upon rates.

The Company’s Other business segment includes CLEANCOR Energy Solutions LLC (“Cleancor”) (see Note 2). Cleancor primarily earns revenues from the sale of liquefied natural gas (see Note 13). Under these arrangements, control of the goods are transfered to the customer and performance obligations are satisfied at a point in time, and therefore revenue is recognized upon delivery while any related costs are expensed as incurred.

Contract liabilities from contracts with customers arise when the Company has received consideration prior to performance and are included in other current liabilities in the accompanying condensed consolidated balance sheets.

Lease Revenues

Lease Revenues. The Company’s lease revenues are primarily from time charters, bareboat charters and non-vessel rental agreements that are recognized ratably over the lease term as services are provided, typically on a per day basis. Under a time charter, the Company provides a vessel to a customer for a set term and is responsible for all operating expenses, typically excluding fuel. Under a bareboat charter, the Company provides a vessel to a customer for a set term and the customer assumes responsibility for all operating expenses and risks of operation. Under a non-vessel rental agreement, the Company provides non-vessel property or equipment to a customer for a set term and the customer assumes responsibility for all operating expenses and risks of operation.

Property and Equipment

Property and Equipment. Equipment, stated at cost, is depreciated using the straight-line method over the estimated useful life of the asset to an estimated salvage value. With respect to each class of asset, the estimated useful life is based upon a newly built asset being placed into service and represents the time period beyond which it is typically not justifiable for the Company to continue to operate the asset in the same or similar manner. From time to time, the Company may acquire older assets that have already exceeded their useful life as set forth in the Company’s useful life policy, in which case the Company depreciates such assets based on its best estimate of remaining useful life, typically the next survey or certification date.

As of September 30, 2018, the estimated useful life (in years) of each of the Company’s major categories of new equipment was as follows:

Petroleum and chemical carriers - U.S.-flag	25
Harbor and offshore tugs	25
Ocean liquid tank barges	25
Short-sea container/RORO(1)vessels	20
Dry bulk carriers - U.S.-flag	25
Inland river dry-cargo and specialty barges	20
Inland river liquid tank barges	25
Inland river towboats and harbor boats	25
Terminal and fleeting facilities	20

______________________

(1) Roll On/Roll Off.

Equipment maintenance and repair costs including the costs of routine overhauls, dry-dockings and inspections performed on vessels and equipment are charged to operating expense as incurred. Expenditures that extend the useful life or improve the marketing and commercial characteristics of equipment as well as major renewals and improvements to other properties are capitalized.

As of September 30, 2018, the Company’s construction in progress totaling $4.6 million primarily consisted of upgrades to inland river towboats and the construction of other Inland Services equipment, and is included in historical cost in the accompanying condensed consolidated balance sheets. Certain interest costs incurred during the construction of equipment are capitalized as part of the assets’ carrying values and are amortized over such assets’ estimated useful lives. During the nine months endedSeptember 30, 2018, capitalized interest totaled $0.2 million.

Impairment of Long-Lived Assets

Impairment of Long-Lived Assets. The Company performs an impairment analysis of long-lived assets used in operations, including intangible assets, when indicators of impairment are present. These indicators may include a significant decrease in the market price of a long-lived asset or asset group, a significant adverse change in the extent or manner in which a long-lived asset or asset group is being used or in its physical condition, or a current period operating or cash flow loss combined with a history of operating or cash flow losses or a forecast that demonstrates continuing losses associated with the use of a long-lived asset or asset group. If the carrying values of the assets are not recoverable, as determined by the estimated undiscounted cash flows, the estimated fair value of the assets or asset groups are compared to their current carrying value and impairment charges are recorded if the carrying value exceeds fair value. The Company performs its testing on an asset or asset group basis. The Company’s estimates of undiscounted cash flows are highly subjective and actual results may vary from the Company’s estimates due to the uncertainty regarding projected financial performance. Generally, fair value is determined using valuation techniques, such as expected discounted cash flows or appraisals, as appropriate. During the nine months endedSeptember 30, 2018, the Company did not recognize any impairment charges related to long-lived assets held for use.

Impairment of 50% or Less Owned Companies

Impairment of 50% or Less Owned Companies. Investments in 50% or less owned companies are reviewed periodically to assess whether there is an other-than-temporary decline in the carrying value of the investment. In its evaluation, the Company considers, among other items, recent and expected financial performance and returns, impairments recorded by the investee and the capital structure of the investee. When the Company determines the estimated fair value of an investment is below carrying value and the decline is other-than-temporary, the investment is written down to its estimated fair value. Actual results may vary from the Company’s estimates due to the uncertainty regarding projected financial performance, the severity and expected duration of declines in value and the available liquidity in the capital markets to support the continuing operations of the investee, among other factors. Although the Company believes its assumptions and estimates are reasonable, the investee’s actual performance compared with the estimates could produce different results and lead to additional impairment charges in future periods.

Income Taxes

Income Taxes. During the nine months endedSeptember 30, 2018, the Company’s effective income tax rate of 14.4% was primarily due to foreign sourced income not subject to U.S. tax partially offset by income taxes on Subpart F income (see Note 6).

Deferred Gains

Deferred Gains. The Company has sold certain equipment to its 50% or less owned companies, entered into vessel sale-leaseback transactions with finance companies, and provided seller financing on sales of its equipment to third parties and its 50% or less owned companies. A portion of the gains realized from these transactions were deferred and recorded in deferred gains and other liabilities in the accompanying condensed consolidated balance sheets.

Earnings Per Share

Earnings Per Share. Basic earnings per common share of SEACOR is computed based on the weighted average number of common shares issued and outstanding during the relevant periods. Diluted earnings per common share of SEACOR is computed based on the weighted average number of common shares issued and outstanding plus the effect of potentially dilutive securities through the application of the treasury stock and if-converted methods. Dilutive securities for this purpose assumes restricted stock grants have vested, common shares have been issued pursuant to the exercise of outstanding stock options and common shares have been issued pursuant to the conversion of all outstanding convertible notes.

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Basis of Presentation and Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Contract with Customer, Asset and Liability

The Company’s contract liability activity for the nine months ended September 30 was as follows (in thousands):

	2018
Balance at beginning of period	$	983
Contract liabilities arising during the period	4,374
Revenue recognized upon completion of performance obligations during the period	(2,291		)
Balance at end of period	$	3,066

Property, Plant and Equipment

As of September 30, 2018, the estimated useful life (in years) of each of the Company’s major categories of new equipment was as follows:

Petroleum and chemical carriers - U.S.-flag	25
Harbor and offshore tugs	25
Ocean liquid tank barges	25
Short-sea container/RORO(1)vessels	20
Dry bulk carriers - U.S.-flag	25
Inland river dry-cargo and specialty barges	20
Inland river liquid tank barges	25
Inland river towboats and harbor boats	25
Terminal and fleeting facilities	20

______________________

(1) Roll On/Roll Off.

Schedule Of Deferred Gain Activity

Deferred gain activity related to these transactions for the nine months ended September 30 was as follows (in thousands):

	2018			2017
Balance at beginning of period	$	72,453		$	82,423
Deferred gains arising from asset sales	—			7,720
Amortization of deferred gains included in operating expenses as a reduction to rental expense	(8,991		)	(11,126		)
Amortization of deferred gains included in gains on asset dispositions and impairments, net(1)	(6,988		)	(1,764		)
Reclassification of deferred gains into historical cost on reacquired property and equipment	(3,052		)	—
Balance at end of period	$	53,422		$	77,253

______________________

(1) For the nine months endedSeptember 30, 2018, the Company recognized previously deferred gains of $5.5 million due to a change in the lease duration for one U.S.-flag petroleum and chemical carrier.

Schedule of Earnings Per Share, Basic and Diluted

Computations of basic and diluted earnings per common share of SEACOR were as follows (in thousands, except share data):

	Three Months Ended September 30,					Nine Months Ended September 30,
	Net Income attributable to SEACOR		Average O/S Shares	Per Share		Net Income (Loss) Attributable to SEACOR			Average O/S Shares	Per Share
2018
Basic Weighted Average Common Shares Outstanding	$	17,067	18,108,388	$	0.94	$	62,834		18,052,274	$	3.48
Effect of Dilutive Share Awards:
Options and Restricted Stock(1)	—		303,285			—			299,405
Convertible Notes(2)	1,625		2,780,881			9,495			4,156,943
Diluted Weighted Average Common Shares Outstanding	$	18,692	21,192,554	$	0.88	$	72,329		22,508,622	$	3.21
2017
Basic Weighted Average Common Shares Outstanding	$	17,561	17,508,770	$	1.00	$	(11,164	)	17,265,140	$	(0.65	)
Effect of Dilutive Share Awards:
Options and Restricted Stock(3)	—		129,054			—			245,420
Convertible Notes(4)	—		—			—			—
Diluted Weighted Average Common Shares Outstanding	$	17,561	17,637,824	$	1.00	$	(11,164	)	17,510,560	$	(0.64	)

______________________

(1) For the three and nine months endedSeptember 30, 2018, diluted earnings per common share of SEACOR excluded 295,074 and 292,169, respectively, of certain share awards as the effect of their inclusion in the computation would be anti-dilutive.

(2) For the three months ended September 30, 2018, diluted earnings per common share of SEACOR excluded 1,408,719 of common shares issuable pursuant to the Company’s 3.0% Convertible Senior Notes as the effect of their inclusion in the computation would be anti-dilutive.

(3) For the three and nine months endedSeptember 30, 2017, diluted earnings per common share of SEACOR excluded 1,727,132 and 2,638,753, respectively, of certain share awards as the effect of their inclusion in the computation would be anti-dilutive. Diluted weighted average shares outstanding are calculated based on continuing operations.

(4) For the three and nine months endedSeptember 30, 2017, diluted earnings per common share of SEACOR excluded 1,889,027 and 2,488,460, respectively, of common shares issuable pursuant to the Company’s 2.5% Convertible Senior Notes and 2,801,147 and 2,801,147, respectively, of common shares issuable pursuant to the Company’s 3.0% Convertible Senior Notes as the effect of their inclusion in the computation would be anti-dilutive. Diluted weighted average shares outstanding are calculated based on continuing operations.

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Business Acquisitions (Tables)

9 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The allocation of the purchase price for the Company’s acquisitions for the nine months endedSeptember 30, 2018 was as follows (in thousands):

Trade and other receivables	$	1,264
Other current assets	170
Investments, at Equity, and Advances to 50% or Less Owned Companies	(3,219		)
Property and Equipment	4,382
Intangible Assets	950
Notes receivable contributed as equity	(1,904		)
Other Assets	7
Accounts payable and other accrued liabilities(1)	(1,609		)
Other current liabilities	(269		)
Noncontrolling interests in subsidiaries	(82		)
Purchase price(2)	$	(310	)

______________________

(1) Includes $1.3 million of consideration to be paid in two installments.

(2) Purchase price is net of cash acquired totaling $3.6 million

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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

The following table reconciles the difference between the statutory federal income tax rate for the Company and the effective income tax rate on continuing operations for the nine months ended September 30, 2018:

Statutory rate	21.0	%
Income subject to tonnage tax	(2.4	)%
Noncontrolling interests	(3.7	)%
Foreign earnings not subject to U.S. income tax	(17.7	)%
Foreign taxes not creditable against U.S. income tax	4.1	%
Subpart F income	12.3	%
State taxes	0.7	%
Other	0.1	%
	14.4	%

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Derivative Instruments and Hedging Strategies (Tables)

9 Months Ended

Sep. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives Not Designated as Hedging Instruments

The Company recognized gains on derivative instruments not designated as hedging instruments for the nine months ended September 30 as follows (in thousands):

	2018		2017
Exchange option liability on subsidiary convertible senior notes	$	—	$	19,436
Forward currency exchange, option and future contracts	—		291
	$	—	$	19,727

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The Company’s financial assets and liabilities as of September 30, 2018 that are measured at fair value on a recurring basis were as follows (in thousands):

	Level 1		Level 2		Level 3
ASSETS
Cash, cash equivalents, restricted cash and restricted cash equivalents	$	327,554	$	—	$	—
Marketable securities(1)	41,445		—		—
Construction reserve funds	5,908		—		—

______________________

(1) Marketable security gains (losses), net include unrealized gains of $1.7 million and unrealized losses of $7.1 million for the three months ended September 30, 2018 and 2017, respectively, related to marketable security positions held by the Company as of September 30, 2018. Marketable security gains (losses), net include unrealized losses of $1.3 million and $7.2 million for the nine months ended September 30, 2018 and 2017, respectively, related to marketable security positions held by the Company as of September 30, 2018.

Estimated Fair Value Of Other Financial Assets And Liabilities

The estimated fair values of the Company’s other financial assets and liabilities as of September 30, 2018 were as follows (in thousands):

			Estimated Fair Value
	Carrying Amount		Level 1		Level 2		Level 3
ASSETS
Notes receivable from third parties (included in other receivables and other assets)	$	2,226	$	—	$	2,203	$	—
Investments, at cost, in 50% or less owned companies (included in other assets)	4,300		see below
LIABILITIES
Long-term debt, including current portion(1)	$	528,394	$	—	$	561,044	$	—

______________________

(1) The estimated fair value includes the embedded conversion options on the Company’s 3.0% Convertible Senior Notes and 3.25% Convertible Senior Notes.

Fair Value Measurements, Nonrecurring

The Company’s other assets and liabilities that were measured at fair value during the nine months ended September 30, 2018 were as follows (in thousands):

	Level 1		Level 2		Level 3
ASSETS
Investments, at equity, and advances in 50% or less owned companies	$	—	$	3,219	$	—

Investments, at equity, and advances in 50% or less owned companies. During the nine months ended September 30, 2018, the Company marked its investment in Cleancor to fair value as a consequence of the Company acquiring its partners’ 50% interest, resulting in a gain of $0.1 million, net of tax, based on the fair value of the acquired interest (see Note 2). In addition, during the nine months ended September 30, 2018, the Company identified indicators of impairment in one of its 50% or less owned companies and, as a consequence, recognized an impairment charge of $0.1 million for an other-than-temporary decline in fair value. The investment was determined to have an immaterial value.

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Noncontrolling Interests in Subsidiaries (Tables)

9 Months Ended

Sep. 30, 2018

Noncontrolling Interest [Abstract]

Noncontrolling Interests in Subsidiaries

Noncontrolling interests in the Company’s consolidated subsidiaries were as follows (in thousands):

	Noncontrolling Interests				September 30, 2018		December 31, 2017
Ocean Services:
SEA-Vista	49%				$	139,566	$	128,550
Inland Services:
Other	3.0	%	–	51.8%	841		977
Other	5.0	%	–	11.8%	190		151
					$	140,597	$	129,678

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Share Based Compensation (Tables)

9 Months Ended

Sep. 30, 2018

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

Share Based Compensation Plans

Transactions in connection with the Company’s share based compensation plans during the nine months endedSeptember 30, 2018 were as follows:

Director stock awards granted	2,250
Employee Stock Purchase Plan (“ESPP”) shares issued	45,251
Restricted stock awards granted	121,850
Stock Option Activities:
Outstanding as of December 31, 2017	1,546,014
Granted	110,660
Exercised	(134,212	)
Outstanding as of September 30, 2018	1,522,462
Shares available for future grants and ESPP purchases as of September 30, 2018	916,254

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Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Unrecorded Unconditional Purchase Obligations Disclosure

The Company's capital commitments as of September 30, 2018 by year of expected payment were as follows (in thousands):

	Remainder of 2018		2019		Total
Ocean Services	$	106	$	—	$	106
Inland Services	2,478		2,690		5,168
	$	2,584	$	2,690	$	5,274

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Segment Information (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Operating Results, Capital Expenditures And Assets By Reporting Segment

	Ocean Services $’000	Inland Services $’000		Witt O’Brien’s $’000	Other $’000		Corporate and Eliminations $’000		Total $’000
		As Adjusted							As Adjusted
For the three months ended September 30, 2017
Operating Revenues:
External customers	103,780	63,042		9,667	116		—		176,605
Intersegment	—	—		14	—		(14	)	—
	103,780	63,042		9,681	116		(14	)	176,605
Costs and Expenses:
Operating	65,866	53,822		6,068	—		(64	)	125,692
Administrative and general	9,612	3,141		2,960	180		4,638		20,531
Depreciation and amortization	13,516	6,329		206	—		450		20,501
	88,994	63,292		9,234	180		5,024		166,724
Gains on Asset Dispositions, Net	73	5,136		—	—		—		5,209
Operating Income (Loss)	14,859	4,886		447	(64	)	(5,038	)	15,090
Other Income (Expense):
Foreign currency gains (losses), net	5	992		29	(12	)	(45	)	969
Other, net	59	—		—	—		5		64
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	1,493	(1,235	)	100	130		—		488
Segment Profit	16,416	4,643		576	54
Other Income (Expense) not included in Segment Profit									(19,229	)
Less Equity Earnings included in Segment Profit									(488	)
Loss Before Taxes, Equity Earnings and Discontinued Operations									(3,106	)

	Ocean Services $’000		Inland Services $’000		Witt O’Brien’s $’000		Other $’000		Corporate and Eliminations $’000		Total $’000
			As Adjusted								As Adjusted
For the nine months ended September 30, 2017
Operating Revenues:
External customers	243,442		174,040		23,665		348		—		441,495
Intersegment	—		—		85		—		(85	)	—
	243,442		174,040		23,750		348		(85	)	441,495
Costs and Expenses:
Operating	137,070		148,978		15,483		—		(256	)	301,275
Administrative and general	24,728		11,658		8,641		559		23,363		68,949
Depreciation and amortization	32,792		19,404		613		—		1,880		54,689
	194,590		180,040		24,737		559		24,987		424,913
Gains (Losses) on Asset Dispositions and Impairments, Net	(342	)	11,260		—		—		—		10,918
Operating Income (Loss)	48,510		5,260		(987	)	(211	)	(25,072	)	27,500
Other Income (Expense):
Derivative gains, net	—		—		—		—		19,727		19,727
Foreign currency gains (losses), net	8		730		62		(12	)	110		898
Other, net	118		—		—		(300	)	250		68
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	8,150		(4,877	)	237		(581	)	—		2,929
Segment Profit (Loss)	56,786		1,113		(688	)	(1,104	)
Other Income (Expense) not included in Segment Profit (Loss)											(37,860	)
Less Equity Earnings included in Segment Profit (Loss)											(2,929	)
Income Before Taxes, Equity Earnings and Discontinued Operations											10,333
Capital Expenditures	66,137		32,901		60		—		208		99,306
As of September 30, 2017
Property and Equipment:
Historical cost	1,028,685		446,759		1,227		—		29,532		1,506,203
Accumulated depreciation	(290,400	)	(175,669	)	(915	)	—		(20,065	)	(487,049	)
Net property and equipment	738,285		271,090		312		—		9,467		1,019,154
Investments, at Equity, and Advances to 50% or Less Owned Companies	53,388		65,738		782		55,479		—		175,387
Inventories	2,032		1,866		54		—		—		3,952
Goodwill	1,852		2,415		28,506		—		—		32,773
Intangible Assets	12,285		10,860		7,510		—		—		30,655
Other current and long-term assets, excluding cash and near cash assets(1)	44,845		54,295		13,802		1,807		22,251		137,000
Segment Assets	852,687		406,264		50,966		57,286
Cash and near cash assets(1)											384,044
Total Assets											1,782,965

______________________

(1) Cash and near cash assets includes cash, cash equivalents, restricted cash, restricted cash equivalents, marketable securities and construction reserve funds.

The following tables summarize the operating results, capital expenditures assets and disaggregated revenues of the Company’s reportable segments.

	Ocean Services $’000		Inland Services $’000		Witt O’Brien’s $’000		Other $’000		Corporate and Eliminations $’000		Total $’000
For the three months ended September 30, 2018
Operating Revenues:
External customers	109,939		78,845		30,259		1,214		—		220,257
Intersegment	—		—		8		—		(8	)	—
	109,939		78,845		30,267		1,214		(8	)	220,257
Costs and Expenses:
Operating	64,683		65,667		16,240		957		(18	)	147,529
Administrative and general	9,170		3,230		7,389		606		5,688		26,083
Depreciation and amortization	11,298		6,197		492		202		427		18,616
	85,151		75,094		24,121		1,765		6,097		192,228
Gains on Asset Dispositions, Net	5,505		513		—		—		—		6,018
Operating Income (Loss)	30,293		4,264		6,146		(551	)	(6,105	)	34,047
Other Income (Expense):
Foreign currency losses, net	(24	)	(282	)	(12	)	—		(10	)	(328	)
Other, net	(96	)	—		—		452		1		357
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	2,073		(1,245	)	(13	)	6		—		821
Segment Profit (Loss)	32,246		2,737		6,121		(93	)
Other Income (Expense) not included in Segment Profit (Loss)											(4,332	)
Less Equity Earnings included in Segment Profit (Loss)											(821	)
Income Before Taxes and Equity Earnings											29,744

	Ocean Services $’000		Inland Services $’000		Witt O’Brien’s $’000		Other $’000		Corporate and Eliminations $’000		Total $’000
For the nine months ended September 30, 2018
Operating Revenues:
External customers	317,478		208,175		93,960		2,299		—		621,912
Intersegment	—		—		47		—		(47	)	—
	317,478		208,175		94,007		2,299		(47	)	621,912
Costs and Expenses:
Operating	205,060		176,209		58,945		1,349		(89	)	441,474
Administrative and general	30,047		9,758		17,896		1,290		17,198		76,189
Depreciation and amortization	35,563		18,674		1,284		264		1,284		57,069
	270,670		204,641		78,125		2,903		18,393		574,732
Gains on Asset Dispositions, Net	7,391		6,178		—		—		—		13,569
Operating Income (Loss)	54,199		9,712		15,882		(604	)	(18,440	)	60,749
Other Income (Expense):
Foreign currency gains (losses), net	(151	)	238		(27	)	1		(45	)	16
Other, net	585		14		—		54,354		(2	)	54,951
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	3,655		(3,115	)	90		1,285		—		1,915
Segment Profit	58,288		6,849		15,945		55,036
Other Income (Expense) not included in Segment Profit											(25,929	)
Less Equity Earnings included in Segment Profit											(1,915	)
Income Before Taxes and Equity Earnings											89,787
Capital Expenditures	38,786		4,075		—		747		128		43,736
As of September 30, 2018
Property and Equipment:
Historical cost	929,825		437,510		1,227		5,192		30,132		1,403,886
Accumulated depreciation	(331,625	)	(190,493	)	(1,007	)	(265	)	(21,789	)	(545,179	)
Net property and equipment	598,200		247,017		220		4,927		8,343		858,707
Investments, at Equity, and Advances to 50% or Less Owned Companies	62,999		61,304		345		24,536		—		149,184
Inventories	2,509		2,258		214		158		—		5,139
Goodwill	1,852		2,409		28,506		—		—		32,767
Intangible Assets	9,297		9,365		7,062		—		—		25,724
Other current and long-term assets, excluding cash and near cash assets(1)	54,416		78,461		63,578		2,177		12,807		211,439
Segment Assets	729,273		400,814		99,925		31,798
Cash and near cash assets(1)											374,907
Total Assets											1,657,867

______________________

(1) Cash and near cash assets includes cash, cash equivalents, restricted cash, restricted cash equivalents, marketable securities and construction reserve funds.

Disaggregation of Revenue

	Ocean Services $’000	Inland Services $’000	Witt O’Brien’s $’000	Other $’000	Corporate and Eliminations $’000		Total $’000
For the nine months ended September 30, 2018
Revenues from Contracts with Customers:
Voyage charters	66,496	—	—	—	—		66,496
Contracts of affreightment	9,101	159,406	—	—	—		168,507
Harbor & ocean towing	53,777	—	—	—	—		53,777
Unit freight	43,384	—	—	—	—		43,384
Terminal operations	—	27,291	—	—	—		27,291
Fleeting operations	—	13,325	—	—	—		13,325
Time and material contracts	—	—	84,896	—	—		84,896
Retainer contracts	—	—	7,456	—	—		7,456
Product sales(1)	—	—	—	1,618	—		1,618
Other	2,414	2,618	1,655	425	(47	)	7,065
Lease Revenues:
Time charter, bareboat charter and rental income	142,306	5,535	—	256	—		148,097
	317,478	208,175	94,007	2,299	(47	)	621,912

______________________

(1) Costs of goods sold related to product sales was $1.2 million.

	Ocean Services $’000	Inland Services $’000	Witt O’Brien’s $’000	Other $’000	Corporate and Eliminations $’000		Total $’000
		As Adjusted					As Adjusted
For the nine months ended September 30, 2017
Revenues from Contracts with Customers:
Voyage charters	15,311	—	—	—	—		15,311
Contracts of affreightment	9,315	130,770	—	—	—		140,085
Harbor & ocean towing	49,184	—	—	—	—		49,184
Unit freight	36,763	—	—	—	—		36,763
Terminal operations	—	23,195	—	—	—		23,195
Fleeting operations	—	11,654	—	—	—		11,654
Time and material contracts	—	—	11,887	—	—		11,887
Retainer contracts	—	—	7,581	—	—		7,581
Other	1,099	2,522	4,282	348	(85	)	8,166
Lease Revenues:
Time charter, bareboat charter and rental income	131,770	5,899	—	—	—		137,669
	243,442	174,040	23,750	348	(85	)	441,495

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Discontinued Operations (Tables)

9 Months Ended

Sep. 30, 2018

Discontinued Operations and Disposal Groups [Abstract]

Disposal Groups, Including Discontinued Operations

Summarized selected operating results of the Company’s discontinued operations were as follows (in thousands):

	Three Months Ended September 30, 2017		Nine Months Ended September 30, 2017
SEACOR Marine
Operating Revenues	$	—	$	62,291
Costs and Expenses:
Operating	—		65,888
Administrative and general	—		29,682
Depreciation and amortization	—		22,181
	—		117,751
Gains on Asset Dispositions, Net	—		4,219
Operating Loss	—		(51,241		)
Other Income, Net	—		1,780
Income Tax Benefit	—		(12,931		)
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	—		1,663
Net Loss	$	—	$	(34,867	)
Net Loss Attributable to Noncontrolling Interests	$	—	$	(1,892	)
ICP
Operating Revenues	$	—	$	78,061
Costs and Expenses:
Operating	—		76,306
Administrative and general	—		2,109
Depreciation and amortization	—		2,354
	—		80,769
Operating Loss	—		(2,708		)
Other Income, Net (including gain on sale of business)	18,223		20,558
Income Tax Expense	7,296		7,363
Net Income	$	10,927	$	10,487
Net Loss Attributable to Noncontrolling Interests	$	—	$	(539	)
Eliminations
Operating Revenues	$	—	$	(1,176	)
Costs and Expenses:
Operating	—		(1,289		)
Administrative and general	—		(42		)
	—		(1,331		)
Operating Income	—		155
Other Income, Net	—		1,738
Income Tax Expense	—		663
Net Income	$	—	$	1,230
Income (Loss) from Discontinued Operations, Net of Tax	$	10,927	$	(23,150	)

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Basis of Presentation and Accounting Policies - Adoption of New Accounting Standards (Details) - USD ($) $ in Thousands	Jan. 01, 2019	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption		$ (2,467)
Accounting Standards Update 2016-16
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred income tax assets, net		(2,500)
Accounting Standards Update 2016-16 | Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption		$ (2,467)
Minimum | Subsequent Event | Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New accounting pronouncement or change in accounting principle, effect of adoption, quantification	$ 150,000
Maximum | Subsequent Event | Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New accounting pronouncement or change in accounting principle, effect of adoption, quantification	$ 175,000

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Basis of Presentation and Accounting Policies - Discontinued Operations (Details)	Jul. 03, 2017
Illinois Corn Processing LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncontrolling interest, ownership percentage by parent	70.00%

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Basis of Presentation and Accounting Policies - Revenue Recognition (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Change in Contract with Customer, Liability [Roll Forward]
Balance at beginning of period	$ 983
Contract liabilities arising during the period	4,374
Revenue recognized upon completion of performance obligations during the period	(2,291)
Balance at end of period	$ 3,066

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Basis of Presentation and Accounting Policies - Property and Equipment (Details) $ in Millions	9 Months Ended
	Sep. 30, 2018 USD ($)
Property, Plant and Equipment [Line Items]
Construction in progress	$ 4.6
Interest costs capitalized	$ 0.2
U.S.-flag Petroleum and Chemical Carrier
Property, Plant and Equipment [Line Items]
Useful life	25 years
Harbor and Offshore Tugs
Property, Plant and Equipment [Line Items]
Useful life	25 years
Ocean Liquid Tank Barge
Property, Plant and Equipment [Line Items]
Useful life	25 years
Short-sea Container/RORO Vessels
Property, Plant and Equipment [Line Items]
Useful life	20 years
U.S.-flag dry-bulk carrier
Property, Plant and Equipment [Line Items]
Useful life	25 years
Inland River Dry Cargo and Deck Barges
Property, Plant and Equipment [Line Items]
Useful life	20 years
Inland River Liquid Tank Barges
Property, Plant and Equipment [Line Items]
Useful life	25 years
Inland River Towboats
Property, Plant and Equipment [Line Items]
Useful life	25 years
Terminal And Manufacturing Facilities
Property, Plant and Equipment [Line Items]
Useful life	20 years

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Basis of Presentation and Accounting Policies - Impairments of Long-Lived Assets (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Accounting Policies [Abstract]
Asset impairment charges		$ 0.4
Other Corporate Equity Method Investments
Schedule Of Equity Method Investments [Line Items]
Impairment charge for an other-than-temporary decline in fair value	$ 0.1	$ 0.9

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Basis of Presentation and Accounting Policies - Income Taxes (Details)	9 Months Ended
	Sep. 30, 2018
Accounting Policies [Abstract]
Effective income tax rate reconciliation, percent	14.40%

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Basis of Presentation and Accounting Policies - Deferred Gains (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Deferred Gains [Roll Forward]
Balance at beginning of period	$ 72,453	$ 82,423
Deferred gains arising from asset sales	0	7,720
Reclassification of deferred gains into historical cost on reacquired property and equipment	(3,052)	0
Balance at end of period	53,422	77,253
Operating Expense
Deferred Gains [Roll Forward]
Amortization of deferred gains	(8,991)	(11,126)
Gain on Asset Dispositions and Impairments, Net
Deferred Gains [Roll Forward]
Amortization of deferred gains	(6,988)	$ (1,764)
U.S.-flag Petroleum and Chemical Carrier | Gain on Asset Dispositions and Impairments, Net
Deferred Gains [Roll Forward]
Amortization of deferred gains	$ (5,500)

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Basis of Presentation and Accounting Policies - Earning Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to SEACOR Holdings Inc.	$ 17,067	$ 17,561	$ 62,834	$ (11,164)
Effect of Dilutive Share Awards:
Options and Restricted Stock	0	0	0	0
Convertible Notes	1,625	0	9,495	0
Net income (loss) attributable to SEACOR, diluted	$ 18,692	$ 17,561	$ 72,329	$ (11,164)
Basic weighted average common shares outstanding (in shares)	18,108,388	17,508,770	18,052,274	17,265,140
Effect of Dilutive Share Awards:
Options and Restricted Stock (in shares)	303,285	129,054	299,405	245,420
Convertible Notes (in shares)	2,780,881	0	4,156,943	0
Diluted weighted averages common shares outstanding (in shares)	21,192,554	17,637,824	22,508,622	17,510,560
Basic earnings per share (in dollars per share)	$ 0.94	$ 1.00	$ 3.48	$ (0.65)
Diluted earnings per share (in dollars per share)	$ 0.88	$ 1.00	$ 3.21	$ (0.64)
Stock Compensation Plan
Effect of Dilutive Share Awards:
Anti-dilutive securities (in shares)	295,074	1,727,132	292,169	2,638,753
Two Point Five Percentage Convertible Notes
Effect of Dilutive Share Awards:
Debt instrument, interest rate, stated percentage	2.50%		2.50%
Two Point Five Percentage Convertible Notes | Convertible Debt Securities
Effect of Dilutive Share Awards:
Anti-dilutive securities (in shares)		1,889,027		2,488,460
Three Point Zero Percentage Convertible Notes
Effect of Dilutive Share Awards:
Debt instrument, interest rate, stated percentage	3.00%		3.00%
Three Point Zero Percentage Convertible Notes | Convertible Debt Securities
Effect of Dilutive Share Awards:
Anti-dilutive securities (in shares)	1,408,719	2,801,147		2,801,147

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Business Acquisitions (Details) $ in Thousands			9 Months Ended
	Jun. 01, 2018 USD ($)	Mar. 01, 2018 USD ($) installment	Sep. 30, 2018 USD ($)
Business Acquisition [Line Items]
Trade and other receivables			$ 1,264
Other current assets			170
Investments, at Equity, and Advances to 50% or Less Owned Companies			(3,219)
Property and Equipment			4,382
Intangible Assets			950
Notes receivable contributed as equity			(1,904)
Other Assets			7
Accounts payable and other accrued liabilities			(1,609)
Other current liabilities			(269)
Noncontrolling interests in subsidiaries			(82)
Purchase price			(310)
Cash acquired from acquisition			$ 3,600
Cleancor
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired	50.00%		50.00%
Payments to acquire businesses	$ 3,200
Capital contributed	$ 1,900
SCA
Business Acquisition [Line Items]
Payments to acquire businesses		$ 1,300
Number of installments | installment		2
Contingent consideration		$ 800

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Equipment Acquisitions and Dispositions (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($) equipment	Sep. 30, 2017 USD ($)
Property, Plant and Equipment [Line Items]
Payments to acquire property, plant and equipment | $	$ 43,736	$ 99,306
Sales price of equipment | $	16,000
Gain (loss) on disposition of property plant equipment | $	$ 6,600
U.S.-flag Harbor Tugs
Property, Plant and Equipment [Line Items]
Number of equipment acquired	5
Number of equipment sold	1
Short-sea Container/RORO Vessels
Property, Plant and Equipment [Line Items]
Number of equipment acquired	2
U.S.-flag Petroleum and Chemical Carrier
Property, Plant and Equipment [Line Items]
Number of equipment sold	1
Inland River Dry Cargo Barges
Property, Plant and Equipment [Line Items]
Number of equipment sold	32
Inland River Specialty Barges
Property, Plant and Equipment [Line Items]
Number of equipment sold	2
Gain (Loss) on Asset Dispositions and Impairments, Net
Property, Plant and Equipment [Line Items]
Amortization of deferred gains included in gains on asset dispositions and impairments, net | $	$ 7,000

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Investments, At Equity, And Advances To 50% Or Less Owned Companies (Narrative) (Details)		9 Months Ended
	Apr. 30, 2018 USD ($)	Sep. 30, 2018 USD ($) rail_ferry	Sep. 30, 2017 USD ($)
Schedule Of Equity Method Investments [Line Items]
Payments to acquire equity method investments		$ 9,836,000	$ 7,636,000
Proceeds from sale of equity method investments		78,015,000	$ 5,000,000
RF Vessel Holdings
Schedule Of Equity Method Investments [Line Items]
Payments to acquire equity method investments		900,000
Golfo de Mexico
Schedule Of Equity Method Investments [Line Items]
Payments to acquire equity method investments		2,100,000
KSM
Schedule Of Equity Method Investments [Line Items]
Payments to acquire equity method investments		1,000,000
SCFCo Holdings
Schedule Of Equity Method Investments [Line Items]
Proceeds from collection of advance to affiliate		2,400,000
Outstanding working capital advances at end of period		30,000,000
SCF Bunge Marine
Schedule Of Equity Method Investments [Line Items]
Payments to acquire equity method investments		500,000
Dividends received from equity method investments		2,900,000
O'Brien's do Brazil
Schedule Of Equity Method Investments [Line Items]
Dividends received from equity method investments		200,000
Hawker Pacific Airservices Limited
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	34.20%
Proceeds from sale of equity method investments	$ 78,000,000
Equity method investment, realized gain (loss) on disposal	$ 53,900,000
VA&E
Schedule Of Equity Method Investments [Line Items]
Dividends received from equity method investments		400,000
Revolving credit facility, receivable, funds committed to related parties		3,500,000
Subordinated loan		7,300,000
Proceeds from collection of long-term loans and related parties		5,400,000
Payments to fund long-term loans to related parties		5,400,000
Other Corporate Equity Method Investments
Schedule Of Equity Method Investments [Line Items]
Proceeds from collection of advance to affiliate		400,000
Outstanding working capital advances at end of period		2,000,000
Dividends received from equity method investments		800,000
Notes Receivable | Subordinated Debt | VA&E
Schedule Of Equity Method Investments [Line Items]
Subordinated loan		$ 3,500,000
Rail Ferries - Foreign-Flag | RF Vessel Holdings
Schedule Of Equity Method Investments [Line Items]
Number of equipment owned | rail_ferry		2
Rail Ferries - Foreign-Flag | Golfo de Mexico
Schedule Of Equity Method Investments [Line Items]
Number of equipment operated | rail_ferry		2
Foreign-flag Harbor Tugs | KSM
Schedule Of Equity Method Investments [Line Items]
Number of equipment operated | rail_ferry		4
Foreign-flag Ocean Liquid Tank Barge | KSM
Schedule Of Equity Method Investments [Line Items]
Number of equipment operated | rail_ferry		1

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Long-Term Debt (Details)			3 Months Ended		9 Months Ended
	Oct. 31, 2018	May 15, 2018 USD ($)	Sep. 30, 2018 USD ($) $ / shares	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) shares $ / shares	Sep. 30, 2017 USD ($)	Dec. 31, 2017 $ / shares
Debt Instrument [Line Items]
Common stock, par value (in dollars per share) | $ / shares			$ 0.01		$ 0.01		$ 0.01
Stock repurchase program, remaining authorized repurchase amount			$ 71,100,000		$ 71,100,000
Gain (loss) on extinguishment of debt			(160,000)	$ 3,000	(5,609,000)	$ (94,000)
Letters of credit outstanding, amount			10,100,000		$ 10,100,000
Interest rate earned on guarantees					0.50%
SEACOR Marine Holdings Inc.
Debt Instrument [Line Items]
Guarantor obligations, maximum exposure, undiscounted			47,000,000		$ 47,000,000
Guaranty fee income			100,000		200,000
SEACOR Marine Holdings Inc.
Debt Instrument [Line Items]
Letters of credit outstanding, amount			$ 700,000		$ 700,000
Three Point Zero Percentage Convertible Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			3.00%		3.00%
Two Point Five Percentage Convertible Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			2.50%		2.50%
ISH Term Loan | ISH
Debt Instrument [Line Items]
Repayments of long-term debt					$ 12,200,000
Senior Notes | Seven Point Three Seven Five Percentage Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			7.375%		7.375%
Debt instrument, repurchased face amount			$ 5,700,000		$ 5,700,000
Repayments of long-term debt					5,900,000
Gain (loss) on extinguishment of debt					(200,000)
Long-term debt			$ 147,400,000		$ 147,400,000
Senior Notes | Seven Point Three Seven Five Percentage Senior Notes | Subsequent Event
Debt Instrument [Line Items]
Debt instrument, redemption price percentage	100.00%
Convertible Debt | Three Point Zero Percentage Convertible Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			3.00%		3.00%
Debt conversion, original debt, amount		$ 117,800,000.0
Debt instrument, repurchased face amount			$ 300,000		$ 300,000
Repayments of long-term debt					300,000
Gain (loss) on extinguishment of debt			(5,300,000)
Long-term debt			$ 111,900,000		$ 111,900,000
Convertible Debt | Three Point Two Five Percentage Convertible Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			3.25%		3.25%
Debt instrument, face amount		117,800,000
Bond trading price triggering contingent interest, minimum					$ 1,200
Individual bond, face value		$ 1,000
Debt instrument, contingent interest rate		0.45%
Debt instrument, convertible, conversion ratio		0.013192
Debt instrument, convertible, number of equity instruments (in shares) | shares					1,553,780
Payments of debt issuance costs		$ 2,500,000
Long-term debt, net of discount		95,100,000
Debt Issuance costs, gross, carrying amount of liability component		2,000,000
Debt instrument, convertible, carrying amount of equity component		22,700,000
Debt issuance costs, gross, carrying amount of equity component		$ 500,000
Debt instrument, convertible, discounts and issuance costs, amortization period					7 years
Debt instrument, interest rate, effective percentage			7.20%		7.20%
Convertible Debt | Three Point Two Five Percentage Convertible Notes | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt instrument, redemption price percentage					100.00%
Convertible Debt | Three Point Two Five Percentage Convertible Notes | Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Debt instrument, redemption price percentage					100.00%
Convertible Debt | Two Point Five Percentage Convertible Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			2.50%		2.50%
Line of Credit | Revolving Credit Facility | Sea-Vista
Debt Instrument [Line Items]
Repayments of long-term debt					$ 17,000,000
Line of credit facility, remaining borrowing capacity			$ 72,000,000		72,000,000
Line of Credit | Revolving Credit Facility | ISH
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt					(100,000)
Line of Credit | Term A-1 Loan | Secured Debt | Sea-Vista
Debt Instrument [Line Items]
Repayments of long-term debt					2,500,000
Line of Credit | Term A-2 Loan | Secured Debt | Sea-Vista
Debt Instrument [Line Items]
Repayments of long-term debt					4,200,000
Notes Payable, Other Payables | Other Long-Term Debt
Debt Instrument [Line Items]
Repayments of long-term debt					500,000
Notes Payable, Other Payables | Other ISH Debt
Debt Instrument [Line Items]
Repayments of long-term debt					$ 1,400,000

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Income Taxes (Details)	9 Months Ended
	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Statutory rate	21.00%
Income subject to tonnage tax	(2.40%)
Noncontrolling interests	(3.70%)
Foreign earnings not subject to U.S. income tax	(17.70%)
Foreign taxes not creditable against U.S. income tax	4.10%
Subpart F income	12.30%
State taxes	0.70%
Other	0.10%
Effective income tax rate reconciliation, percent	14.40%

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Derivative Instruments And Hedging Strategies - Recognized Gains (Losses) On Derivative Instruments Not Designated As Hedging Instruments (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Derivative [Line Items]
Derivative gains (losses), net	$ 0	$ 19,727
Exchange Option Liability
Derivative [Line Items]
Derivative gains (losses), net	0	19,436
Forward Currency Exchange, Option And Future Contracts
Derivative [Line Items]
Derivative gains (losses), net	$ 0	$ 291

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Fair Value Measurements - Financial Assets And Liabilities Measured At Fair Value On Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable security gains (losses), net	$ 1,700	$ (7,100)	$ (1,300)	$ (7,200)
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash, cash equivalents, restricted cash and restricted cash equivalents	327,554		327,554
Marketable securities	41,445		41,445
Construction reserve funds	5,908		5,908
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash, cash equivalents, restricted cash and restricted cash equivalents	0		0
Marketable securities	0		0
Construction reserve funds	0		0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash, cash equivalents, restricted cash and restricted cash equivalents	0		0
Marketable securities	0		0
Construction reserve funds	$ 0		$ 0

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Fair Value Measurements - Estimated Fair Value of Other Financial Assets And Liabilities (Details) $ in Thousands	Sep. 30, 2018 USD ($)
Three Point Zero Percentage Convertible Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, interest rate, stated percentage	3.00%
Reported Value Measurement
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes receivable from third parties (included in other receivables and other assets)	$ 2,226
Investments, at cost, in 50% or less owned companies (included in other assets)	4,300
Long-term debt, including current portion	528,394
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes receivable from third parties (included in other receivables and other assets)	0
Long-term debt, including current portion	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes receivable from third parties (included in other receivables and other assets)	2,203
Long-term debt, including current portion	561,044
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes receivable from third parties (included in other receivables and other assets)	0
Long-term debt, including current portion	$ 0
Convertible Debt | Three Point Zero Percentage Convertible Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, interest rate, stated percentage	3.00%
Convertible Debt | Three Point Two Five Percentage Convertible Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, interest rate, stated percentage	3.25%

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Fair Value Measurements - Assets and Liabilities Measured on a Non-recurring Basis (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 01, 2018
Other Corporate Equity Method Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment charge for an other-than-temporary decline in fair value	$ 100	$ 900
Cleancor
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business acquisition, percentage of voting interests acquired	50.00%		50.00%
Cleancor | Equity in Earnings of 50% or Less Owned Companies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity in earnings (losses) of 50% or less owned companies, net of tax	$ 100
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, at equity, and advances in 50% or less owned companies	0
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, at equity, and advances in 50% or less owned companies	3,219
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, at equity, and advances in 50% or less owned companies	$ 0

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Noncontrolling Interests in Subsidiaries (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Noncontrolling Interests in Subsidiaries [Line Items]
Noncontrolling interests in subsidiaries	$ 140,597		$ 140,597		$ 129,678
Net Income	27,203	$ 21,104	78,768	$ 2,675
Net income (loss) attributable to noncontrolling interest	$ 10,136	$ 3,543	$ 15,934	13,839
Sea-Vista | Ocean Services
Noncontrolling Interests in Subsidiaries [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners	49.00%		49.00%
Noncontrolling interests in subsidiaries	$ 139,566		$ 139,566		128,550
Other Inland River Services Noncontrolling Interests | Inland Services
Noncontrolling Interests in Subsidiaries [Line Items]
Noncontrolling interests in subsidiaries	$ 841		$ 841		977
Other Inland River Services Noncontrolling Interests | Minimum | Inland Services
Noncontrolling Interests in Subsidiaries [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners	3.00%		3.00%
Other Inland River Services Noncontrolling Interests | Maximum | Inland Services
Noncontrolling Interests in Subsidiaries [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners	51.80%		51.80%
Other Noncontrolling Interests | Other Segments
Noncontrolling Interests in Subsidiaries [Line Items]
Noncontrolling interests in subsidiaries	$ 190		$ 190		$ 151
Other Noncontrolling Interests | Minimum | Other Segments
Noncontrolling Interests in Subsidiaries [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners	5.00%		5.00%
Other Noncontrolling Interests | Maximum | Other Segments
Noncontrolling Interests in Subsidiaries [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners	11.80%		11.80%
Sea-Vista | Ocean Services
Noncontrolling Interests in Subsidiaries [Line Items]
Assets, net	$ 284,800		$ 284,800
Net Income			32,600	33,200
Net income (loss) attributable to noncontrolling interest			$ 16,000	$ 16,300

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Multi-Employer and Defined Benefit Pension Plans (Details) $ in Millions	Sep. 30, 2017 USD ($)
Withdrawal from Multiemployer Defined Benefit Plan | American Maritime Officers Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefit plans, withdrawal liability	$ 34.4

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Share Based Compensation (Details) - shares		9 Months Ended
	Jun. 05, 2018	Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Director stock awards granted (in shares)		2,250,000
Employee Stock Purchase Plan shares issued (in shares)		45,251,000
Restricted stock awards granted (in shares)		121,850,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Stock options, outstanding as of December 31, 2017 (in shares)		1,546,014,000
Stock options, granted (in shares)		110,660,000
Stock options, exercised (in shares)		(134,212,000)
Stock options, outstanding as of September 30, 2018 (in shares)		1,522,462,000
Shares available for future grants and ESPP purchases as of September 30, 2018 (in shares)		916,254,000
Increase in number of shares available under employee stock purchase plan (in shares)	300,000

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Commitments And Contingencies (Details) $ in Thousands				9 Months Ended
	Apr. 22, 2013 claim	Nov. 16, 2012 claim	Dec. 15, 2010 claim	Sep. 30, 2018 USD ($) claim equipment	Oct. 23, 2018 USD ($)	Aug. 02, 2016	Feb. 16, 2016
Loss Contingencies [Line Items]
Unrecorded unconditional purchase obligation, due in remainder of fiscal year				$ 2,584
Unrecorded unconditional purchase obligation, due within two years				2,690
Unrecorded unconditional purchase obligation				$ 5,274
Deepwater Horizon Oil Spill Multi District Litigation
Loss Contingencies [Line Items]
Claims filed | claim			1
Pending claims						11	11
Abney et al. v. Plant Performance Services, LLC et al
Loss Contingencies [Line Items]
Number of plaintiffs | claim		668
Abood et al. v. Plant Performance Services, LLC et al
Loss Contingencies [Line Items]
Number of plaintiffs | claim	174
BELO/ORM
Loss Contingencies [Line Items]
Claims filed | claim				101
BELO/NRC
Loss Contingencies [Line Items]
Claims filed | claim				14
Inland River Towboat
Loss Contingencies [Line Items]
Number of equipment committed to purchase | equipment				1
Ocean Services
Loss Contingencies [Line Items]
Unrecorded unconditional purchase obligation, due in remainder of fiscal year				$ 106
Unrecorded unconditional purchase obligation, due within two years				0
Unrecorded unconditional purchase obligation				106
Inland Services
Loss Contingencies [Line Items]
Unrecorded unconditional purchase obligation, due in remainder of fiscal year				2,478
Unrecorded unconditional purchase obligation, due within two years				2,690
Unrecorded unconditional purchase obligation				$ 5,168
Subsequent Event
Loss Contingencies [Line Items]
Unrecorded unconditional purchase obligation					$ 14,700

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Segment Information - Operating Results, Capital Expenditures And Assets By Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Operating Revenues	$ 220,257	$ 176,605	$ 621,912	$ 441,495
Costs and Expenses:
Operating	147,529	125,692	441,474	301,275
Administrative and general	26,083	20,531	76,189	68,949
Depreciation and amortization	18,616	20,501	57,069	54,689
Total costs and expenses	192,228	166,724	574,732	424,913
Gains (Losses) on Asset Dispositions and Impairments, Net	6,018	5,209	13,569	10,918
Operating Income	34,047	15,090	60,749	27,500
Other Income (Expense):
Derivative gains, net	0	0	0	19,727
Foreign currency gains (losses), net	(328)	969	16	898
Other, net	357	64	54,951	68
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	821	488	1,915	2,929
Income (Loss) from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings of 50% or Less Owned Companies	29,744	(3,106)	89,787	10,333
Capital Expenditures			43,736	99,306
Historical cost	1,403,886	1,506,203	1,403,886	1,506,203	$ 1,380,469
Accumulated depreciation	(545,179)	(487,049)	(545,179)	(487,049)	(502,544)
Net property and equipment	858,707	1,019,154	858,707	1,019,154	877,925
Investments, at Equity, and Advances to 50% or Less Owned Companies	149,184	175,387	149,184	175,387	173,441
Inventories	5,139	3,952	5,139	3,952	4,377
Goodwill	32,767	32,773	32,767	32,773	32,761
Intangible Assets	25,724	30,655	25,724	30,655	28,106
Other current and long-term assets, excluding cash and near cash assets	211,439	137,000	211,439	137,000
Total Assets	1,657,867	1,782,965	1,657,867	1,782,965	$ 1,613,336
Ocean Services
Segment Reporting Information [Line Items]
Operating Revenues	109,939	103,780	317,478	243,442
Inland Services
Segment Reporting Information [Line Items]
Operating Revenues	78,845	63,042	208,175	174,040
Witt O'Brien's LLC
Segment Reporting Information [Line Items]
Operating Revenues	30,259	9,667	93,960	23,665
Other Segments
Segment Reporting Information [Line Items]
Operating Revenues	1,214	116	2,299	348
Intersegment Eliminations
Segment Reporting Information [Line Items]
Operating Revenues	(8)	(14)	(47)	(85)
Intersegment Eliminations | Ocean Services
Segment Reporting Information [Line Items]
Operating Revenues	0	0	0	0
Intersegment Eliminations | Inland Services
Segment Reporting Information [Line Items]
Operating Revenues	0	0	0	0
Intersegment Eliminations | Witt O'Brien's LLC
Segment Reporting Information [Line Items]
Operating Revenues	(8)	(14)	(47)	(85)
Intersegment Eliminations | Other Segments
Segment Reporting Information [Line Items]
Operating Revenues	0	0	0	0
Operating Segments | Ocean Services
Segment Reporting Information [Line Items]
Operating Revenues	109,939	103,780	317,478	243,442
Costs and Expenses:
Operating	64,683	65,866	205,060	137,070
Administrative and general	9,170	9,612	30,047	24,728
Depreciation and amortization	11,298	13,516	35,563	32,792
Total costs and expenses	85,151	88,994	270,670	194,590
Gains (Losses) on Asset Dispositions and Impairments, Net	5,505	73	7,391	(342)
Operating Income	30,293	14,859	54,199	48,510
Other Income (Expense):
Derivative gains, net				0
Foreign currency gains (losses), net	(24)	5	(151)	8
Other, net	(96)	59	585	118
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	2,073	1,493	3,655	8,150
Segment Profit (Loss)	32,246	16,416	58,288	56,786
Capital Expenditures			38,786	66,137
Historical cost	929,825	1,028,685	929,825	1,028,685
Accumulated depreciation	(331,625)	(290,400)	(331,625)	(290,400)
Net property and equipment	598,200	738,285	598,200	738,285
Investments, at Equity, and Advances to 50% or Less Owned Companies	62,999	53,388	62,999	53,388
Inventories	2,509	2,032	2,509	2,032
Goodwill	1,852	1,852	1,852	1,852
Intangible Assets	9,297	12,285	9,297	12,285
Other current and long-term assets, excluding cash and near cash assets	54,416	44,845	54,416	44,845
Total Assets	729,273	852,687	729,273	852,687
Operating Segments | Inland Services
Segment Reporting Information [Line Items]
Operating Revenues	78,845	63,042	208,175	174,040
Costs and Expenses:
Operating	65,667	53,822	176,209	148,978
Administrative and general	3,230	3,141	9,758	11,658
Depreciation and amortization	6,197	6,329	18,674	19,404
Total costs and expenses	75,094	63,292	204,641	180,040
Gains (Losses) on Asset Dispositions and Impairments, Net	513	5,136	6,178	11,260
Operating Income	4,264	4,886	9,712	5,260
Other Income (Expense):
Derivative gains, net				0
Foreign currency gains (losses), net	(282)	992	238	730
Other, net	0	0	14	0
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	(1,245)	(1,235)	(3,115)	(4,877)
Segment Profit (Loss)	2,737	4,643	6,849	1,113
Capital Expenditures			4,075	32,901
Historical cost	437,510	446,759	437,510	446,759
Accumulated depreciation	(190,493)	(175,669)	(190,493)	(175,669)
Net property and equipment	247,017	271,090	247,017	271,090
Investments, at Equity, and Advances to 50% or Less Owned Companies	61,304	65,738	61,304	65,738
Inventories	2,258	1,866	2,258	1,866
Goodwill	2,409	2,415	2,409	2,415
Intangible Assets	9,365	10,860	9,365	10,860
Other current and long-term assets, excluding cash and near cash assets	78,461	54,295	78,461	54,295
Total Assets	400,814	406,264	400,814	406,264
Operating Segments | Witt O'Brien's LLC
Segment Reporting Information [Line Items]
Operating Revenues	30,267	9,681	94,007	23,750
Costs and Expenses:
Operating	16,240	6,068	58,945	15,483
Administrative and general	7,389	2,960	17,896	8,641
Depreciation and amortization	492	206	1,284	613
Total costs and expenses	24,121	9,234	78,125	24,737
Gains (Losses) on Asset Dispositions and Impairments, Net	0	0	0	0
Operating Income	6,146	447	15,882	(987)
Other Income (Expense):
Derivative gains, net				0
Foreign currency gains (losses), net	(12)	29	(27)	62
Other, net	0	0	0	0
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	(13)	100	90	237
Segment Profit (Loss)	6,121	576	15,945	(688)
Capital Expenditures			0	60
Historical cost	1,227	1,227	1,227	1,227
Accumulated depreciation	(1,007)	(915)	(1,007)	(915)
Net property and equipment	220	312	220	312
Investments, at Equity, and Advances to 50% or Less Owned Companies	345	782	345	782
Inventories	214	54	214	54
Goodwill	28,506	28,506	28,506	28,506
Intangible Assets	7,062	7,510	7,062	7,510
Other current and long-term assets, excluding cash and near cash assets	63,578	13,802	63,578	13,802
Total Assets	99,925	50,966	99,925	50,966
Operating Segments | Other Segments
Segment Reporting Information [Line Items]
Operating Revenues	1,214	116	2,299	348
Costs and Expenses:
Operating	957	0	1,349	0
Administrative and general	606	180	1,290	559
Depreciation and amortization	202	0	264	0
Total costs and expenses	1,765	180	2,903	559
Gains (Losses) on Asset Dispositions and Impairments, Net	0	0	0	0
Operating Income	(551)	(64)	(604)	(211)
Other Income (Expense):
Derivative gains, net				0
Foreign currency gains (losses), net	0	(12)	1	(12)
Other, net	452	0	54,354	(300)
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	6	130	1,285	(581)
Segment Profit (Loss)	(93)	54	55,036	(1,104)
Capital Expenditures			747	0
Historical cost	5,192	0	5,192	0
Accumulated depreciation	(265)	0	(265)	0
Net property and equipment	4,927	0	4,927	0
Investments, at Equity, and Advances to 50% or Less Owned Companies	24,536	55,479	24,536	55,479
Inventories	158	0	158	0
Goodwill	0	0	0	0
Intangible Assets	0	0	0	0
Other current and long-term assets, excluding cash and near cash assets	2,177	1,807	2,177	1,807
Total Assets	31,798	57,286	31,798	57,286
Corporate And Eliminations
Segment Reporting Information [Line Items]
Operating Revenues			(47)	(85)
Costs and Expenses:
Operating	(18)	(64)	(89)	(256)
Administrative and general	5,688	4,638	17,198	23,363
Depreciation and amortization	427	450	1,284	1,880
Total costs and expenses	6,097	5,024	18,393	24,987
Gains (Losses) on Asset Dispositions and Impairments, Net	0	0	0	0
Operating Income	(6,105)	(5,038)	(18,440)	(25,072)
Other Income (Expense):
Derivative gains, net				19,727
Foreign currency gains (losses), net	(10)	(45)	(45)	110
Other, net	1	5	(2)	250
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	0	0	0	0
Capital Expenditures			128	208
Historical cost	30,132	29,532	30,132	29,532
Accumulated depreciation	(21,789)	(20,065)	(21,789)	(20,065)
Net property and equipment	8,343	9,467	8,343	9,467
Investments, at Equity, and Advances to 50% or Less Owned Companies	0	0	0	0
Inventories	0	0	0	0
Goodwill	0	0	0	0
Intangible Assets	0	0	0	0
Other current and long-term assets, excluding cash and near cash assets	12,807	22,251	12,807	22,251
Segment Reconciling Items
Other Income (Expense):
Other, net	(4,332)	(19,229)	(25,929)	(37,860)
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	(821)	(488)	(1,915)	(2,929)
Cash and near cash assets	$ 374,907	$ 384,044	$ 374,907	$ 384,044

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Segment Information - Revenues from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Time charter, bareboat charter and rental income			$ 148,097	$ 137,669
Operating Revenues	$ 220,257	$ 176,605	621,912	441,495
Voyage Charters
Revenues from contracts with customers			66,496	15,311
Contracts of Affreightment
Revenues from contracts with customers			168,507	140,085
Harbor & Ocean Towing
Revenues from contracts with customers			53,777	49,184
Unit Freight
Revenues from contracts with customers			43,384	36,763
Terminal Operations
Revenues from contracts with customers			27,291	23,195
Fleeting Operations
Revenues from contracts with customers			13,325	11,654
Time and Material Contracts
Revenues from contracts with customers			84,896	11,887
Retainer Contracts
Revenues from contracts with customers			7,456	7,581
Product Sales
Revenues from contracts with customers			1,618
Other
Revenues from contracts with customers			7,065	8,166
Product
Cost of goods sold			1,200
Ocean Services
Operating Revenues	109,939	103,780	317,478	243,442
Inland Services
Operating Revenues	78,845	63,042	208,175	174,040
Witt O'Brien's LLC
Operating Revenues	30,259	9,667	93,960	23,665
Other Segments
Operating Revenues	1,214	116	2,299	348
Operating Segments | Ocean Services
Time charter, bareboat charter and rental income			142,306	131,770
Operating Revenues	109,939	103,780	317,478	243,442
Operating Segments | Ocean Services | Voyage Charters
Revenues from contracts with customers			66,496	15,311
Operating Segments | Ocean Services | Contracts of Affreightment
Revenues from contracts with customers			9,101	9,315
Operating Segments | Ocean Services | Harbor & Ocean Towing
Revenues from contracts with customers			53,777	49,184
Operating Segments | Ocean Services | Unit Freight
Revenues from contracts with customers			43,384	36,763
Operating Segments | Ocean Services | Terminal Operations
Revenues from contracts with customers			0	0
Operating Segments | Ocean Services | Fleeting Operations
Revenues from contracts with customers			0	0
Operating Segments | Ocean Services | Time and Material Contracts
Revenues from contracts with customers			0	0
Operating Segments | Ocean Services | Retainer Contracts
Revenues from contracts with customers			0	0
Operating Segments | Ocean Services | Product Sales
Revenues from contracts with customers			0
Operating Segments | Ocean Services | Other
Revenues from contracts with customers			2,414	1,099
Operating Segments | Inland Services
Time charter, bareboat charter and rental income			5,535	5,899
Operating Revenues	78,845	63,042	208,175	174,040
Operating Segments | Inland Services | Voyage Charters
Revenues from contracts with customers			0	0
Operating Segments | Inland Services | Contracts of Affreightment
Revenues from contracts with customers			159,406	130,770
Operating Segments | Inland Services | Harbor & Ocean Towing
Revenues from contracts with customers			0	0
Operating Segments | Inland Services | Unit Freight
Revenues from contracts with customers			0	0
Operating Segments | Inland Services | Terminal Operations
Revenues from contracts with customers			27,291	23,195
Operating Segments | Inland Services | Fleeting Operations
Revenues from contracts with customers			13,325	11,654
Operating Segments | Inland Services | Time and Material Contracts
Revenues from contracts with customers			0	0
Operating Segments | Inland Services | Retainer Contracts
Revenues from contracts with customers			0	0
Operating Segments | Inland Services | Product Sales
Revenues from contracts with customers			0
Operating Segments | Inland Services | Other
Revenues from contracts with customers			2,618	2,522
Operating Segments | Witt O'Brien's LLC
Time charter, bareboat charter and rental income			0	0
Operating Revenues	30,267	9,681	94,007	23,750
Operating Segments | Witt O'Brien's LLC | Voyage Charters
Revenues from contracts with customers			0	0
Operating Segments | Witt O'Brien's LLC | Contracts of Affreightment
Revenues from contracts with customers			0	0
Operating Segments | Witt O'Brien's LLC | Harbor & Ocean Towing
Revenues from contracts with customers			0	0
Operating Segments | Witt O'Brien's LLC | Unit Freight
Revenues from contracts with customers			0	0
Operating Segments | Witt O'Brien's LLC | Terminal Operations
Revenues from contracts with customers			0	0
Operating Segments | Witt O'Brien's LLC | Fleeting Operations
Revenues from contracts with customers			0	0
Operating Segments | Witt O'Brien's LLC | Time and Material Contracts
Revenues from contracts with customers			84,896	11,887
Operating Segments | Witt O'Brien's LLC | Retainer Contracts
Revenues from contracts with customers			7,456	7,581
Operating Segments | Witt O'Brien's LLC | Product Sales
Revenues from contracts with customers			0
Operating Segments | Witt O'Brien's LLC | Other
Revenues from contracts with customers			1,655	4,282
Operating Segments | Other Segments
Time charter, bareboat charter and rental income			256	0
Operating Revenues	$ 1,214	$ 116	2,299	348
Operating Segments | Other Segments | Voyage Charters
Revenues from contracts with customers			0	0
Operating Segments | Other Segments | Contracts of Affreightment
Revenues from contracts with customers			0	0
Operating Segments | Other Segments | Harbor & Ocean Towing
Revenues from contracts with customers			0	0
Operating Segments | Other Segments | Unit Freight
Revenues from contracts with customers			0	0
Operating Segments | Other Segments | Terminal Operations
Revenues from contracts with customers			0	0
Operating Segments | Other Segments | Fleeting Operations
Revenues from contracts with customers			0	0
Operating Segments | Other Segments | Time and Material Contracts
Revenues from contracts with customers			0	0
Operating Segments | Other Segments | Retainer Contracts
Revenues from contracts with customers			0	0
Operating Segments | Other Segments | Product Sales
Revenues from contracts with customers			1,618
Operating Segments | Other Segments | Other
Revenues from contracts with customers			425	348
Corporate And Eliminations
Time charter, bareboat charter and rental income			0	0
Operating Revenues			(47)	(85)
Corporate And Eliminations | Voyage Charters
Revenues from contracts with customers			0	0
Corporate And Eliminations | Contracts of Affreightment
Revenues from contracts with customers			0	0
Corporate And Eliminations | Harbor & Ocean Towing
Revenues from contracts with customers			0	0
Corporate And Eliminations | Unit Freight
Revenues from contracts with customers			0	0
Corporate And Eliminations | Terminal Operations
Revenues from contracts with customers			0	0
Corporate And Eliminations | Fleeting Operations
Revenues from contracts with customers			0	0
Corporate And Eliminations | Time and Material Contracts
Revenues from contracts with customers			0	0
Corporate And Eliminations | Retainer Contracts
Revenues from contracts with customers			0	0
Corporate And Eliminations | Product Sales
Revenues from contracts with customers			0
Corporate And Eliminations | Other
Revenues from contracts with customers			$ (47)	$ (85)

XML

Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Costs and Expenses:
Income (Loss) from Discontinued Operations, Net of Tax	$ 0	$ 10,927	$ 0	$ (23,150)
Discontinued Operations
Costs and Expenses:
Income (Loss) from Discontinued Operations, Net of Tax		10,927		(23,150)
Reportable Legal Entities | Offshore Marine Services | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating Revenues		0		62,291
Costs and Expenses:
Operating		0		65,888
Administrative and general		0		29,682
Depreciation and amortization		0		22,181
Total costs and expenses		0		117,751
Gains on Asset Dispositions, Net		0		4,219
Operating Income (Loss)		0		(51,241)
Other Income, Net		0		1,780
Income Tax Expense (Benefit)		0		(12,931)
Equity in Earnings of 50% or Less Owned Companies, Net of Tax		0		1,663
Income (Loss) from Discontinued Operations, Net of Tax		0		(34,867)
Net Loss Attributable to Noncontrolling Interests		0		(1,892)
Reportable Legal Entities | Illinois Corn Processing LLC | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating Revenues		0		78,061
Costs and Expenses:
Operating		0		76,306
Administrative and general		0		2,109
Depreciation and amortization		0		2,354
Total costs and expenses		0		80,769
Operating Income (Loss)		0		(2,708)
Other Income, Net		18,223		20,558
Income Tax Expense (Benefit)		7,296		7,363
Income (Loss) from Discontinued Operations, Net of Tax		10,927		10,487
Net Loss Attributable to Noncontrolling Interests		0		(539)
Consolidation, Eliminations | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating Revenues		0		(1,176)
Costs and Expenses:
Operating		0		(1,289)
Administrative and general		0		(42)
Total costs and expenses		0		(1,331)
Operating Income (Loss)		0		155
Other Income, Net		0		1,738
Income Tax Expense (Benefit)		0		663
Income (Loss) from Discontinued Operations, Net of Tax		$ 0		$ 1,230