Subsidiary Guarantors (Tables)

12 Months Ended

Dec. 31, 2015

Condensed Financial Information Of Parent Company Only Disclosure [Abstract]

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	Subsidiary Guarantors			Non-Guarantor Subsidiaries			GLDD Corporation			Eliminations			Consolidated Totals
OPERATING ACTIVITIES:
Net cash flows provided by operating activities of continuing operations	$	63,276		$	999		$	2,879		$	—		$	67,154
Net cash flows used in operating activities of discontinued operations		(17,328	)		(1,024	)		—			—			(18,352	)
Cash provided by (used in) operating activities		45,948			(25	)		2,879			—			48,802

INVESTING ACTIVITIES:
Purchases of property and equipment		(91,910	)		—			—			—			(91,910	)
Proceeds from dispositions of property and equipment		68			—			—			—			68
Payments for acquisitions of businesses		(2,048	)		—			(25,000	)		—			(27,048	)
Proceeds from vendor performance obligations		(3,100	)		—			—			—			(3,100	)
Net change in accounts with affiliates		68,187			—			—			(68,187	)		—
Net cash flows used in investing activities of continuing operations		(28,803	)		—			(25,000	)		(68,187	)		(121,990	)
Net cash flows provided by investing activities of discontinued operations		5,275			—			—			—			5,275
Cash used in investing activities		(23,528	)		—			(25,000	)		(68,187	)		(116,715	)

FINANCING ACTIVITIES:
Proceeds from term loan facility		—			—			47,360			—			47,360
Repayments of term loan facility		—			—			(417	)		—			(417	)
Proceeds from issuance of 7 3/8% senior notes		—			—			24,880			—			24,880
Deferred financing fees		—			—			(2,532	)		—			(2,532	)
Taxes paid on settlement of vested share awards		—			—			(497	)		—			(497	)
Purchase of noncontrolling interest		—			—			(205	)		—			(205	)
Net change in accounts with affiliates		—			(2,547	)		(65,640	)		68,187			—
Intercompany dividends		(52,400	)		—			52,400			—			—
Repayments of equipment debt		(235	)		—			—			—			(235	)
Exercise of stock options and purchases from employee stock plans		—			—			1,568			—			1,568
Excess income tax benefit from share-based compensation		—			—			206			—			206
Borrowings under revolving loans		—			—			236,500			—			236,500
Repayments of revolving loans		—			—			(271,500	)		—			(271,500	)
Cash provided by (used in) financing activities		(52,635	)		(2,547	)		22,123			68,187			35,128

Effect of foreign currency exchange rates on cash and cash equivalents		—			(164	)		—			—			(164	)

Net increase (decrease) in cash and cash equivalents		(30,215	)		(2,736	)		2			—			(32,949	)

Cash and cash equivalents at beginning of period		71,939			3,399			—			—			75,338

Cash and cash equivalents at end of period	$	41,724		$	663		$	2		$	—		$	42,389

GREAT LAKES DREDGE & DOCK CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

FOR THE YEAR ENDED DECEMBER 31, 2013

(In thousands)

	Subsidiary Guarantors			Non-Guarantor Subsidiaries			GLDD Corporation			Eliminations			Consolidated Totals
OPERATING ACTIVITIES:
Net cash flows provided by (used in) operating activities of continuing operations	$	126,736		$	(7,748	)	$	(32,641	)	$	—		$	86,347
Net cash flows used in operating activities of discontinued operations		(5,049	)		(6,475	)		—			—			(11,524	)
Cash provided by (used in) operating activities		121,687			(14,223	)		(32,641	)		—			74,823

INVESTING ACTIVITIES:
Purchases of property and equipment		(66,654	)		—			—			—			(66,654	)
Proceeds from dispositions of property and equipment		6,953			—			—			—			6,953
Proceeds from vendor performance obligations		13,600			—			—			—			13,600
Net change in accounts with affiliates		(37,282	)		(302	)		—			37,584			—
Net cash flows used in investing activities of continuing operations		(83,383	)		(302	)		—			37,584			(46,101	)
Net cash flows used in investing activities of discontinued operations		(153	)		—			—			—			(153	)
Cash used in investing activities		(83,536	)		(302	)		—			37,584			(46,254	)

FINANCING ACTIVITIES:
Repayment of long term note payable		(2,500	)		—			(10,547	)		—			(13,047	)
Distributions paid to minority interests		—			—			(3	)		—			(3	)
Taxes paid on settlement of vested share awards		—			—			(308	)		—			(308	)
Net change in accounts with affiliates		—			10,342			8,603			(18,945	)		—
Capital contributions		—			926			(926	)		—			—
Exercise of stock options and purchases from employee stock plans		—			—			668			—			668
Excess income tax benefit from share-based compensation		—			—			154			—			154
Borrowings under revolving loans		—			—			227,000			—			227,000
Repayments of revolving loans		—			—			(192,000	)		—			(192,000	)
Net cash flows provided by (used in) financing activities of continuing operations		(2,500	)		11,268			32,641			(18,945	)		22,464
Net cash flows provided by financing activities of discontinued operations		12,016			6,623			—			(18,639	)		—
Cash provided by financing activities		9,516			17,891			32,641			(37,584	)		22,464

Effect of foreign currency exchange rates on cash and cash equivalents		—			(135	)		—			—			(135	)

Net increase in cash and cash equivalents		47,667			3,231			—			—			50,898

Cash and cash equivalents at beginning of period		24,272			168			—			—			24,440

Cash and cash equivalents at end of period	$	71,939		$	3,399		$	—		$	—		$	75,338

Condensed Consolidating of Balance Sheet

GREAT LAKES DREDGE & DOCK CORPORATION AND SUBSIDIARIES
CONDENSED CONSOLIDATING BALANCE SHEET
AS OF DECEMBER 31, 2015
(In thousands)

ASSETS	Subsidiary Guarantors			Non-Guarantor Subsidiaries		GLDD Corporation		Eliminations			Consolidated Totals
CURRENT ASSETS:
Cash and cash equivalents	$	12,035		$	2,147	$	2	$	—		$	14,184
Accounts receivable — net		129,978			799		—		—			130,777
Contract revenues in excess of billings		79,477			1,718		—		—			81,195
Inventories		35,963			—		—		—			35,963
Prepaid expenses		7,924			—		—		—			7,924
Other current assets		58,995			218		477		—			59,690
Total current assets		324,372			4,882		479		—			329,733

PROPERTY AND EQUIPMENT—Net		430,192			18		—		—			430,210
GOODWILL		83,576			—		—		—			83,576
OTHER INTANGIBLE ASSETS—Net		2,428			—		—		—			2,428
INVENTORIES — Noncurrent		41,646			—		—		—			41,646
INVESTMENTS IN JOINT VENTURES		3,761			—		—		—			3,761
RECEIVABLES FROM AFFILIATES		18,326			6,009		70,738		(95,073	)		—
INVESTMENTS IN SUBSIDIARIES		3,706			—		621,984		(625,690	)		—
OTHER		6,702			3		3,566		—			10,271
TOTAL	$	914,709		$	10,912	$	696,767	$	(720,763	)	$	901,625

LIABILITIES AND EQUITY
CURRENT LIABILITIES:
Accounts payable	$	118,619		$	227	$	—	$	—		$	118,846
Accrued expenses		62,861			509		8,907		—			72,277
Billings in excess of contract revenues		6,964			97		—		—			7,061
Current portion of long term debt		1,424			—		6,082		—			7,506
Total current liabilities		189,868			833		14,989		—			205,690

7 3/8% SENIOR NOTES		—			—		274,909		—			274,909
REVOLVING CREDIT FACILITY		—			—		20,000		—			20,000
NOTE PAYABLE		323			—		54,059		—			54,382
DEFERRED INCOME TAXES		(783	)		—		74,789		—			74,006
PAYABLES TO AFFILIATES		85,859			3,505		5,709		(95,073	)		—
OTHER		20,326			—		139		—			20,465
Total liabilities		295,593			4,338		444,594		(95,073	)		649,452

TOTAL EQUITY		619,116			6,574		252,173		(625,690	)		252,173
TOTAL	$	914,709		$	10,912	$	696,767	$	(720,763	)	$	901,625

ASSETS	Subsidiary Guarantors		Non-Guarantor Subsidiaries		GLDD Corporation		Eliminations			Consolidated Totals
CURRENT ASSETS:
Cash and cash equivalents	$	41,724	$	663	$	2	$	—		$	42,389
Accounts receivable — net		115,739		355		—		(2,906	)		113,188
Receivables from affiliates		152,822		3,673		55,805		(212,300	)		—
Contract revenues in excess of billings		78,631		4,236		—		(310	)		82,557
Inventories		34,735		—		—		—			34,735
Prepaid expenses		4,708		—		—		—			4,708
Other current assets		49,619		431		14,617		—			64,667
Total current assets		477,978		9,358		70,424		(215,516	)		342,244

PROPERTY AND EQUIPMENT—Net		399,421		24		—		—			399,445
GOODWILL		86,326		—		—		—			86,326
OTHER INTANGIBLE ASSETS—Net		8,963		—		—		—			8,963
INVENTORIES — Noncurrent		36,262		—		—		—			36,262
INVESTMENTS IN JOINT VENTURES		7,889		—		—		—			7,889
INVESTMENTS IN SUBSIDIARIES		3,757		—		619,220		(622,977	)		—
OTHER		7,135		3		4,967		—			12,105
TOTAL	$	1,027,731	$	9,385	$	694,611	$	(838,493	)	$	893,234

LIABILITIES AND EQUITY
CURRENT LIABILITIES:
Accounts payable	$	121,282	$	1,389	$	516	$	(3,216	)	$	119,971
Payables to affiliates		196,829		403		15,068		(212,300	)		—
Accrued expenses		60,415		659		8,967		—			70,041
Billings in excess of contract revenues		4,639		—		—		—			4,639
Current portion of long term debt		859		—		5,000		—			5,859
Total current liabilities		384,024		2,451		29,551		(215,516	)		200,510

7 3/8% SENIOR NOTES		—		—		274,880		—			274,880
NOTE PAYABLE		7,553		—		41,944		—			49,497
DEFERRED INCOME TAXES		172		—		91,835		—			92,007
OTHER		19,939		—		438		—			20,377
Total liabilities		411,688		2,451		438,648		(215,516	)		637,271

TOTAL EQUITY		616,043		6,934		255,963		(622,977	)		255,963
TOTAL	$	1,027,731	$	9,385	$	694,611	$	(838,493	)	$	893,234

Schedule Of Condensed Consolidating Operations And Comprehensive Income

	Subsidiary Guarantors			Non-Guarantor Subsidiaries			GLDD Corporation			Eliminations			Consolidated Totals
Contract revenues	$	845,889		$	13,698		$	—		$	(2,709	)	$	856,878
Costs of contract revenues		(750,509	)		(13,155	)		—			2,709			(760,955	)
Gross profit		95,380			543			—			—			95,923

OPERATING EXPENSES:
General and administrative expenses		71,069			—			—			—			71,069
Impairment of goodwill		2,750			—			—			—			2,750
Gain on sale of assets—net		(855	)		—			—			—			(855	)
Operating income		22,416			543			—			—			22,959

Interest income (expense)—net		(526	)		—			(23,839	)		—			(24,365	)
Equity in earnings of subsidiaries		8			—			16,282			(16,290	)		—
Equity in loss of joint ventures		(6,051	)		—			—			—			(6,051	)
Other expense		(1,222	)		(7	)		—			—			(1,229	)

Income (loss) before income taxes		14,625			536			(7,557	)		(16,290	)		(8,686	)

Income tax (provision) benefit		1,505			(376	)		1,368			—			2,497

Net income (loss)	$	16,130		$	160		$	(6,189	)	$	(16,290	)	$	(6,189	)

Comprehensive income (loss)	$	16,130		$	(1,089	)	$	(7,438	)	$	(15,041	)	$	(7,438	)

	Subsidiary Guarantors			Non-Guarantor Subsidiaries			GLDD Corporation			Eliminations			Consolidated Totals
Contract revenues	$	799,579		$	26,282		$	—		$	(19,030	)	$	806,831
Costs of contract revenues		(707,474	)		(25,891	)		—			19,030			(714,335	)
Gross profit		92,105			391			—			—			92,496

OPERATING EXPENSES:
General and administrative expenses		67,905			6			—			—			67,911
Loss on sale of assets—net		732			—			—			—			732
Operating income		23,468			385			—			—			23,853

Interest income (expense)—net		61			(261	)		(19,767	)		—			(19,967	)
Equity in earnings of subsidiaries		20			—			10,373			(10,393	)		—
Equity in earnings of joint ventures		2,895			—			—			—			2,895
Gain on bargain purchase acquisition		2,197			—			—			—			2,197
Other income		203			7			—			—			210

Income (loss) from continuing operations before income taxes		28,844			131			(9,394	)		(10,393	)		9,188

Income tax (provision) benefit		(18,173	)		(409	)		30,112			—			11,530

Income (loss) from continuing operations		10,671			(278	)		20,718			(10,393	)		20,718
Loss from discontinued operations, net of income taxes		(10,423	)		(1,343	)		(10,423	)		11,766			(10,423	)
Net income (loss)	$	248		$	(1,621	)	$	10,295		$	1,373		$	10,295

Comprehensive income (loss)	$	49		$	(1,683	)	$	10,034		$	1,634		$	10,034

	Subsidiary Guarantors			Non-Guarantor Subsidiaries			GLDD Corporation			Eliminations			Consolidated Totals
Contract revenues	$	718,041		$	24,932		$	—		$	(11,555	)	$	731,418
Costs of contract revenues		(614,908	)		(27,770	)		—			11,555			(631,123	)
Gross profit		103,133			(2,838	)		—			—			100,295

OPERATING EXPENSES:
General and administrative expenses		68,029			10			—			—			68,039
Proceeds from loss of use claim		(13,372	)		—			—			—			(13,372	)
(Gain) loss on sale of assets—net		(5,775	)		—			2			—			(5,773	)
Operating income (loss)		54,251			(2,848	)		(2	)		—			51,401

Interest income (expense)—net		(136	)		(256	)		(21,549	)		—			(21,941	)
Equity in earnings of subsidiaries		212			—			59,477			(59,689	)		—
Equity in earnings of joint ventures		1,208			—			—			—			1,208
Other expense		(3	)		(348	)		—			—			(351	)

Income (loss) from continuing operations before income taxes		55,532			(3,452	)		37,926			(59,689	)		30,317

Income tax (provision) benefit		293			4			(10,757	)		—			(10,460	)

Income (loss) from continuing operations		55,825			(3,448	)		27,169			(59,689	)		19,857
Loss from discontinued operations, net of income taxes		(55,106	)		(1,448	)		(62,162	)		63,866			(54,850	)
Net income (loss)		719			(4,896	)		(34,993	)		4,177			(34,993	)
Net loss attributable to noncontrolling interests		—			—			632			—			632
Net income (loss) attributable to Great Lakes Dredge & Dock Corporation	$	719		$	(4,896	)	$	(34,361	)	$	4,177		$	(34,361	)

Comprehensive income (loss) attributable to Great Lakes Dredge & Dock Corporation	$	1,023		$	(5,293	)	$	(34,454	)	$	4,270		$	(34,454	)