10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

x	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the quarterly period ended June 30, 2015

OR

o	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: 1-12911

GRANITE CONSTRUCTION INCORPORATED

State of Incorporation:	I.R.S. Employer Identification Number:
Delaware	77-0239383

Address of principal executive offices:

585 W. Beach Street

Watsonville, California 95076

(831) 724-1011

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. xYes o 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). xYes o No

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

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

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

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of July 23, 2015.

Class	Outstanding
Common Stock, $0.01 par value	39,378,372

Index

PART I. FINANCIAL INFORMATION
	Item 1.	Financial Statements (unaudited)
		Condensed Consolidated Balance Sheets as of June 30, 2015, December 31, 2014 and June 30, 2014
		Condensed Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2015 and 2014
		Condensed Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2015 and 2014
		Notes to the Condensed Consolidated Financial Statements
	Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk
	Item 4.	Controls and Procedures
PART II. OTHER INFORMATION
	Item 1.	Legal Proceedings
	Item 1A.	Risk Factors
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds
	Item 3.	Defaults Upon Senior Securities
	Item 4.	Mine Safety Disclosures
	Item 5.	Other Information
	Item 6.	Exhibits
SIGNATURES
EXHIBIT 31.1
EXHIBIT 31.2
EXHIBIT 32
EXHIBIT 95
EXHIBIT 101.INS
EXHIBIT 101.SCH
EXHIBIT 101.CAL
EXHIBIT 101.DEF
EXHIBIT 101.LAB
EXHIBIT 101.PRE

2

PARTI.FINANCIAL INFORMATION

Item 1. FINANCIAL STATEMENTS

GRANITE CONSTRUCTION INCORPORATED
CONDENSED CONSOLIDATED BALANCE SHEETS
(Unaudited - in thousands, except share and per share data)
	June 30, 2015		December 31, 2014		June 30, 2014
ASSETS
Current assets
Cash and cash equivalents ($46,963, $61,276 and $29,109 related to consolidated construction joint ventures (“CCJVs”))	$	188,147	$	255,961	$	146,458
Short-term marketable securities	17,560		25,504		27,898
Receivables, net ($36,978, $36,781 and $45,825 related to CCJVs)	362,336		310,934		363,614
Costs and estimated earnings in excess of billings ($239, $129 and $25,217 related to CCJVs)	60,093		36,411		76,228
Inventories	71,022		68,920		79,501
Real estate held for development and sale	11,609		11,609		11,761
Deferred income taxes	53,231		53,231		55,874
Equity in construction joint ventures	209,016		184,575		185,859
Other current assets	22,395		23,033		30,727
Total current assets	995,409		970,178		977,920
Property and equipment, net ($7,474, $11,969 and $16,957 related to CCJVs)	391,989		409,653		426,700
Long-term marketable securities	70,508		76,563		84,234
Investments in affiliates	32,655		32,361		33,936
Goodwill	53,799		53,799		53,799
Other noncurrent assets	75,332		77,940		76,797
Total assets	$	1,619,692	$	1,620,494	$	1,653,386
LIABILITIES AND EQUITY
Current liabilities
Current maturities of long-term debt	$	22	$	21	$	21
Current maturities of non-recourse debt	6,128		1,226		1,226
Accounts payable ($12,554, $18,009 and $26,246 related to CCJVs)	170,474		151,935		210,777
Billings in excess of costs and estimated earnings ($23,947, $32,830 and $27,876 related to CCJVs)	106,086		108,992		125,957
Accrued expenses and other current liabilities	195,131		200,652		187,348
Total current liabilities	477,841		462,826		525,329
Long-term debt	270,105		270,105		270,127
Long-term non-recourse debt	—		5,516		6,129
Other long-term liabilities	42,851		44,495		48,455
Deferred income taxes	20,615		20,446		9,803
Commitments and contingencies
Equity
Preferred stock, $0.01 par value, authorized 3,000,000 shares, none outstanding	—		—		—
Common stock, $0.01 par value, authorized 150,000,000 shares; issued and outstanding 39,372,298 shares as of June 30, 2015, 39,186,386 shares as of December 31, 2014 and 39,131,647 shares as of June 30, 2014	394		392		391
Additional paid-in capital	136,214		134,177		130,181
Retained earnings	650,357		659,816		637,905
Total Granite Construction Incorporated shareholders’ equity	786,965		794,385		768,477
Non-controlling interests	21,315		22,721		25,066
Total equity	808,280		817,106		793,543
Total liabilities and equity	$	1,619,692	$	1,620,494	$	1,653,386

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

3

GRANITE CONSTRUCTION INCORPORATED
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(Unaudited - in thousands, except per share data)
	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Revenue
Construction	$	305,605		$	269,220		$	494,125		$	426,261
Large Project Construction	182,893			244,328			373,198			431,663
Construction Materials	80,744			72,322			122,168			107,793
Total revenue	569,242			585,870			989,491			965,717
Cost of revenue
Construction	265,543			244,393			432,388			392,289
Large Project Construction	168,120			193,536			340,654			365,080
Construction Materials	69,811			65,526			110,572			104,526
Total cost of revenue	503,474			503,455			883,614			861,895
Gross profit	65,768			82,415			105,877			103,822
Selling, general and administrative expenses	49,094			51,098			101,297			100,346
Gain on sales of property and equipment	(475		)	(2,993		)	(1,286		)	(3,886		)
Operating income	17,149			34,310			5,866			7,362
Other (income) expense
Interest income	(528		)	(413		)	(970		)	(893		)
Interest expense	3,985			4,339			7,481			7,937
Equity in income of affiliates	(670		)	(410		)	(607		)	(1,202		)
Other income, net	(152		)	(1,697		)	(1,436		)	(1,645		)
Total other expense	2,635			1,819			4,468			4,197
Income before provision for income taxes	14,514			32,491			1,398			3,165
Provision for income taxes	4,975			10,284			469			2,220
Net income	9,539			22,207			929			945
Amount attributable to non-controlling interests	74			(8,566		)	124			(7,858		)
Net income (loss) attributable to Granite Construction Incorporated	$	9,613		$	13,641		$	1,053		$	(6,913	)
Net income (loss) per share attributable to common shareholders (see Note 12)
Basic	$	0.24		$	0.35		$	0.03		$	(0.18	)
Diluted	$	0.24		$	0.34		$	0.03		$	(0.18	)
Weighted average shares of common stock
Basic	39,358			39,115			39,287			39,033
Diluted	39,881			39,807			39,848			39,033
Dividends per common share	$	0.13		$	0.13		$	0.26		$	0.26

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

4

GRANITE CONSTRUCTION INCORPORATED
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(Unaudited - in thousands)
Six Months Ended June 30,	2015			2014
Operating activities
Net income	$	929		$	945
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation, depletion and amortization	31,331			31,878
Gain on sales of property and equipment	(1,286		)	(3,886		)
Change in deferred income taxes	(14		)	1,613
Stock-based compensation	4,992			6,585
Equity in net income from unconsolidated joint ventures	(18,547		)	(25,724		)
Changes in assets and liabilities:
Receivables	(54,262		)	(44,160		)
Costs and estimated earnings in excess of billings, net	(22,958		)	(56,150		)
Inventories	(2,102		)	(17,027		)
Contributions to unconsolidated construction joint ventures	(40,750		)	(13,797		)
Distributions from unconsolidated construction joint ventures	22,020			16,528
Other assets, net	937			(1,579		)
Accounts payable	21,861			42,235
Accrued expenses and other current liabilities, net	1,186			(9,849		)
Net cash used in operating activities	(56,663		)	(72,388		)
Investing activities
Purchases of marketable securities	(29,974		)	(34,991		)
Maturities of marketable securities	16,700			25,000
Proceeds from called marketable securities	30,000			15,000
Purchases of property and equipment	(16,152		)	(20,091		)
Proceeds from sales of property and equipment	2,062			5,838
Other investing activities, net	912			47
Net cash provided by (used in) investing activities	3,548			(9,197		)
Financing activities
Cash dividends paid	(10,208		)	(10,142		)
Purchases of common stock	(3,291		)	(4,369		)
(Distributions to) contributions from non-controlling partners, net	(1,215		)	12,756
Other financing activities, net	15			677
Net cash used in financing activities	(14,699		)	(1,078		)
Decrease in cash and cash equivalents	(67,814		)	(82,663		)
Cash and cash equivalents at beginning of period	255,961			229,121
Cash and cash equivalents at end of period	$	188,147		$	146,458

Supplementary Information
Cash paid during the period for:
Interest	$	7,220		$	7,337
Income taxes	412			2,144
Other non-cash operating activities:
Performance guarantees	$	(9,590	)	$	(617	)
Non-cash investing and financing activities:
Restricted stock units issued, net of forfeitures	$	6,135		$	6,969
Accrued cash dividends	5,118			5,087
Accrued equipment purchases	3,324			(1,836		)

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

5

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. Basis of Presentation

The condensed consolidated financial statements included herein have been prepared by Granite Construction Incorporated (“we,” “us,” “our,” “Company” or “Granite”) without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) and should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2014. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted, although we believe the disclosures which are made are adequate to make the information presented not misleading. Further, the condensed consolidated financial statements reflect, in the opinion of management, all normal recurring adjustments necessary to state fairly our financial position at June 30, 2015 and 2014 and the results of our operations and cash flows for the periods presented. The December 31, 2014 condensed consolidated balance sheet data was derived from audited consolidated financial statements, but does not include all disclosures required by U.S. GAAP.

Our operations are typically affected more by weather conditions during the first and fourth quarters of our fiscal year which may alter our construction schedules and can create variability in our revenues and profitability. Therefore, the results of operations for the three and six months ended June 30, 2015 are not necessarily indicative of the results to be expected for the full year.

We prepared the accompanying condensed consolidated financial statements on the same basis as our annual consolidated financial statements, except as follows:

Change in Accounting Policy for Affirmative Claims

Unresolved contract modifications and claims to recover additional costs to which the Company believes it is entitled under the terms of the customers’ contracts are pending or have been submitted on certain projects. The owners or their authorized representatives and/or other third parties may be in partial or full agreement with the modifications or claims, or may have rejected or disagree entirely as to such entitlement.

Effective January 1, 2015, we changed our accounting policy for recognizing revenue associated with affirmative claims with customers. Revenue is now recognized to the extent of costs incurred when it is probable that a claim settlement with a customer will result in additional revenue and the amount can be reasonably estimated. Prior to this change in accounting policy, we recognized revenue from affirmative claims with customers when the claims were settled, generally when a legally binding agreement was signed. We believe this change in accounting policy is preferable as it more accurately reflects the timing and amount of revenue earned on our projects, as well as providing better comparability to our industry peers.

Recognizing claim recoveries requires significant judgments and estimates. During the first quarter of 2015, we implemented new and refined internal controls and processes to enable the reasonable estimation of claims.

Given that these internal controls and processes were not fully implemented until the first quarter of 2015, and we do not believe that it is possible to objectively distinguish information about claims estimates in prior periods from information that subsequently became available, it is impractical to independently and objectively substantiate judgments and estimates that would have been made with respect to claims in prior periods. Therefore, it is not possible to reasonably determine the estimated amounts of and prior reporting periods in which past claims would have met the criteria for recognition under our new accounting policy. Accordingly, we have adopted this accounting policy change prospectively beginning on January 1, 2015.

The effect of adopting the new accounting policy for customer claims was an increase in revenue and gross profit of $9.7 million for the six months ended June 30, 2015, and there was no revenue or gross profit associated with customer claims during the three months ended June 30, 2015. During the three and six months ended June 30, 2014 there was one customer claim settled that had a gross profit impact of $23.2 million.

Gross profit associated with claims against non-customers, such as vendors, designers or subcontractors, continues to be recognized when the claims are settled. During the three and six months ended June 30, 2015 and three months ended June 30, 2014, there were no claim settlements with non-customers. During the six months ended June 30, 2014, gross profit from claim settlements with non-customers was $7.9 million.

6

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

The potential increase or decrease to gross profit from recoveries for contract modifications and claims may be material in future periods when claims, or a portion of such claims, against customers become probable and estimable, estimates are revised or when claims against other third parties are settled. In addition, the Company may incur additional costs when pursuing such potential recoveries.

2. Recently Issued Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standard Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers, which provides guidance for revenue recognition. This ASU’s core principle is that a company will recognize revenue when it transfers promised goods or services to customers in an amount that reflects consideration to which the company expects to be entitled in exchange for those goods or services. On July 9, 2015, the FASB voted to defer the effective date by one year to December 15, 2017 for interim and annual reporting periods beginning after that date and permitted early adoption of the standard, but not before the original effective date of December 15, 2016. Therefore, the ASU will be effective commencing with our quarter ending March 31, 2018. We are currently assessing the potential impact of this ASU on our consolidated financial statements.

In February 2015, the FASB issued ASU No. 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis, which provides guidance for consolidation of certain legal entities. The guidance changes the analysis that a reporting entity must perform to determine whether it should consolidate certain types of legal entities. The ASU will be effective commencing with our quarter ending March 31, 2016. We do not expect the adoption of this ASU to have a material impact on our consolidated financial statements.

In April 2015, the FASB issued ASU No. 2015-03, Interest - Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs, which require that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The ASU will be effective commencing with our quarter ending March 31, 2016. We do not expect the adoption of this ASU to have a material impact on our consolidated financial statements.

In April 2015, the FASB issued ASU No. 2015-05, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement, which provides guidance on accounting for fees paid by a customer in a cloud computing arrangement. A cloud computing arrangement that contains a software license will be accounted for consistently with the acquisition of other software licenses. If no software license is present in the contract, the entity should account for the arrangement as a service contract. The ASU will be effective commencing with our quarter ending March 31, 2016. We do not expect the adoption of this ASU to have a material impact on our consolidated financial statements.

3. Revisions in Estimates

Our profit recognition related to construction contracts is based on estimates of costs to complete each project. These estimates can vary significantly in the normal course of business as projects progress, circumstances develop and evolve, and uncertainties are resolved. We recognize revenue associated with unapproved change orders and, effective in the first quarter of 2015, affirmative claims against customers to the extent the related costs have been incurred, the amount can be reliably estimated and recovery is probable. Prior to 2015, we recognized revenue on affirmative claims against customers when we had a signed agreement. See Note 1 for further discussion.

We recognize revisions to estimated total costs as soon as the obligation to perform is determined. When we experience significant changes in our estimates of costs to complete, we undertake a process that includes reviewing the nature of the changes to ensure that there are no material amounts that should have been recorded in a prior period rather than as a revision in estimates for the current period. In our review of these changes for the three and six months ended June 30, 2015 and 2014, we did not identify any amounts that should have been recorded in a prior period. We use the cumulative catch-up method applicable to construction contract accounting to account for revisions in estimates. Under this method, revisions in estimates are accounted for in their entirety in the period of change. There can be no assurance that we will not experience future changes in circumstances or otherwise be required to revise our profitability estimates.

7

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Revenue in an amount equal to cost incurred is recognized if there is not sufficient information to determine the estimated profit on the project with a reasonable level of certainty. The gross profit impact from projects that reached initial profit recognition is not considered to be a change in estimate for purposes of the tables below and is therefore excluded. During the three and six months ended June 30, 2015, the gross profit impact from projects that reached initial profit recognition was $7.2 million and $13.4 million, respectively. During the three and six months ended June 30, 2014, the gross profit impact from projects that reached initial profit recognition was $24.5 million and $28.6 million, respectively.

Construction

The net changes in project profitability from revisions in estimates, both increases and decreases, that individually had an impact of $1.0 million or more on gross profit were net decreases of $1.3 million and net increases of $4.3 million for the three and six months ended June 30, 2015, respectively. The net changes for the three and six months ended June 30, 2014 were net decreases of $1.4 million and $8.3 million, respectively. The projects are summarized as follows:

Increases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with upward estimate changes		1		—		4		—
Range of increase in gross profit from each project, net	$	1.3	$	—	$	1.0 - 2.3	$	—
Increase on project profitability	$	1.3	$	—	$	6.9	$	—

The increases during the three and six months ended June 30, 2015 were due to owner-directed scope changes and estimated cost recovery from claims.

Decreases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with downward estimate changes		2		1		2		5
Range of reduction in gross profit from each project, net	$	1.1 - 1.5	$	1.4	$	1.2 - 1.4	$	1.1 - 2.2
Decrease on project profitability	$	2.6	$	1.4	$	2.6	$	8.3

The decreases during the three and six months ended June 30, 2015 and 2014 were due to additional costs and lower productivity than originally anticipated.

8

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Large Project Construction

The net changes in project profitability from revisions in estimates, both increases and decreases, that individually had an impact of $1.0 million or more on gross profit were net decreases of $1.1 million and $2.5 million for the three and six months ended June 30, 2015, respectively. The net changes for the three and six months ended June 30, 2014 were net increases of $25.7 million and $34.5 million, respectively. Amounts attributable to non-controlling interests were $0.5 million and $1.0 million of the net decreases for the three and six months ended June 30, 2015, respectively, and were $8.2 million and $7.5 million of the net increases for the three and six months ended June 30, 2014, respectively. The projects are summarized as follows:

Increases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with upward estimate changes		2		6		3		9
Range of increase in gross profit from each project, net	$	2.3 - 2.3	$	1.1 - 19.7	$	2.1 - 2.9	$	1.1 - 16.3
Increase in project profitability	$	4.6	$	28.0	$	7.3	$	41.3

The increases during the three and six months ended June 30, 2015 were due to owner-directed scope changes as well as estimated cost recovery from claims during the six months. The increases during the three and six months ended June 30, 2014 were due to higher productivity than originally anticipated, owner-directed scope changes and settlement of outstanding issues with contract owners.

Decreases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with downward estimate changes		3		1		4		1
Range of reduction in gross profit from each project, net	$	1.2 - 2.4	$	2.3	$	1.4 - 3.4	$	6.8
Decrease in project profitability	$	5.7	$	2.3	$	9.8	$	6.8

The decreases during the three and six months ended June 30, 2015 and 2014 were due to additional costs and lower productivity than originally anticipated.

4. Marketable Securities

All marketable securities were classified as held-to-maturity for the dates presented and the carrying amounts of held-to-maturity securities were as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
U.S. Government and agency obligations	$	7,573	$	10,511	$	7,906
Commercial paper	9,987		14,993		19,992
Total short-term marketable securities	17,560		25,504		27,898
U.S. Government and agency obligations	70,508		76,563		84,234
Total long-term marketable securities	70,508		76,563		84,234
Total marketable securities	$	88,068	$	102,067	$	112,132

Scheduled maturities of held-to-maturity investments were as follows:

(in thousands)	June 30, 2015
Due within one year	$	17,560
Due in one to five years	70,508
Total	$	88,068

9

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

5. Fair Value Measurement

Fair value accounting standards describe three levels that may be used to measure fair value:

• Level 1 - Quoted prices in active markets for identical assets or liabilities.

• Level 2 - Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

• Level 3 - Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

The following tables summarize significant assets and liabilities measured at fair value in the condensed consolidated balance sheets on a recurring basis for each of the fair value levels (in thousands):

	Fair Value Measurement at Reporting Date Using
June 30, 2015	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	23,975	$	—	$	—	$	23,975
Total assets	$	23,975	$	—	$	—	$	23,975

	Fair Value Measurement at Reporting Date Using
December 31, 2014	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	60,618	$	—	$	—	$	60,618
Total assets	$	60,618	$	—	$	—	$	60,618

	Fair Value Measurement at Reporting Date Using
June 30, 2014	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	31,583	$	—	$	—	$	31,583
Total assets	$	31,583	$	—	$	—	$	31,583

A reconciliation of cash equivalents to consolidated cash and cash equivalents is as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Cash equivalents	$	23,975	$	60,618	$	31,583
Cash	164,172		195,343		114,875
Total cash and cash equivalents	$	188,147	$	255,961	$	146,458

In March 2014, we entered into an interest rate swap with a notional amount of $100.0 million which matures in June 2018 to convert the interest rate of our 2019 Notes (defined in Note 11) from a fixed rate of 6.11% to a floating rate of 4.15% plus six-month LIBOR. The interest rate swap is reported at fair value using Level 2 inputs, and gains or losses, including net periodic settlement amounts, are recorded in other (income) expense, net in our condensed consolidated statements of operations. During the three and six months ended June 30, 2015, we recorded a net loss of less than $0.1 million and a net gain of $1.3 million, respectively, and during the three and six months ended June 30, 2014, we recorded a net gain of $1.2 million and $0.9 million, respectively. The fair value of the interest rate swap is recorded in other current assets on the condensed consolidated balance sheets and was $0.9 million, $0.3 million and $0.6 million as of June 30, 2015, December 31, 2014 and June 30, 2014, respectively.

10

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

In March 2014, we entered into two diesel commodity swaps covering the periods from May 2014 to October 2014 and from May 2015 to October 2015 which represented roughly 25% of our forecasted purchases for diesel during these periods.  In May 2014, we entered into two natural gas commodity swaps covering the periods from June 2014 to October 2014 and from May 2015 to October 2015 representing roughly 25% of our forecasted purchases of natural gas during these periods. The commodity swaps are reported at fair value using Level 2 inputs, and gains or losses, including net periodic settlement amounts, are recorded in other (income) expense, net in our condensed consolidated statements of operations, and was immaterial for all periods presented. The fair values of the commodity swaps are recorded in accrued expenses and other current liabilities on the condensed consolidated balance sheets and were $1.6 million, $1.7 million and $0.1 million as of June 30, 2015, December 31, 2014 and June 30, 2014, respectively.

The carrying values and estimated fair values of our financial instruments that are not required to be recorded at fair value in the condensed consolidated balance sheets are as follows: 

		June 30, 2015				December 31, 2014				June 30, 2014
(in thousands)	Fair Value Hierarchy	Carrying Value		Fair Value		Carrying Value		Fair Value		Carrying Value		Fair Value
Assets:
Held-to-maturity marketable securities	Level 1	$	88,068	$	88,075	$	102,067	$	101,808	$	112,132	$	111,999
Liabilities (including current maturities):
Senior notes payable1	Level 3	$	200,000	$	212,648	$	200,000	$	220,226	$	200,000	$	222,920
Credit Agreement loan1	Level 3	70,000		69,387		70,000		70,153		70,000		69,781

¹The fair values of the senior notes payable and Credit Agreement (defined in Note 11) loan are based on borrowing rates available to us for long-term loans with similar terms, average maturities, and credit risk.

The carrying values of receivables, other current assets, and accrued expenses and other current liabilities approximate their fair values due to the short-term nature of these instruments. In addition, the fair value of non-recourse debt measured using Level 3 inputs approximates its carrying value due to its relative short-term nature and competitive interest rates. During the three and six months ended June 30, 2015 and 2014, we did not record any fair value adjustments related to nonfinancial assets and liabilities measured at fair value on a nonrecurring basis.

6. Receivables, net

Receivables, net at June 30, 2015, December 31, 2014 and June 30, 2014 are as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Construction contracts:
Completed and in progress	$	229,861	$	191,094	$	237,870
Retentions	77,955		84,760		69,678
Total construction contracts	307,816		275,854		307,548
Construction Material sales	49,064		28,549		48,932
Other	5,820		6,822		7,677
Total gross receivables	362,700		311,225		364,157
Less: allowance for doubtful accounts	364		291		543
Total net receivables	$	362,336	$	310,934	$	363,614

Receivables include amounts billed and billable to clients for services provided as of the end of the applicable period and do not bear interest. To the extent costs have not been billed or are not billable, the contract balance is included in costs and estimated earnings in excess of billings on the condensed consolidated balance sheets. Included in other receivables at June 30, 2015, December 31, 2014 and June 30, 2014 were items such as notes receivable, fuel tax refunds and income tax refunds. No such receivables individually exceeded 10% of total net receivables at any of these dates.

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GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Financing receivables consisted of retentions receivable and were included in receivables, net on the condensed consolidated balance sheets as of June 30, 2015, December 31, 2014 and June 30, 2014. Certain construction contracts include retainage provisions. The balances billed but not paid by customers pursuant to these provisions generally become due upon completion and acceptance of the project work or products by the owners. No retention receivable individually exceeded 10% of total net receivables at any of the presented dates. As of June 30, 2015, the majority of the retentions receivable are expected to be collected within one year.

We segregate our retention receivables into two categories: escrow and non-escrow. The balances in each category were as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Escrow	$	22,381	$	28,692	$	25,093
Non-escrow	55,574		56,068		44,585
Total retention receivables	$	77,955	$	84,760	$	69,678

The escrow receivables include amounts due to Granite which have been deposited into an escrow account and bear interest. Typically, escrow retention receivables are held until work on a project is complete and has been accepted by the owner who then releases those funds, along with accrued interest, to us. There is minimal risk of not collecting on these amounts.

As of June 30, 2015, the non-escrow retention receivables aged over 90 days decreased to $6.3 million from $8.6 million at December 31, 2014. As of both dates, our allowance for doubtful accounts contained no material provision related to non-escrow retention receivables as we determined there were no significant collectability issues.

7. Construction and Line Item Joint Ventures

We participate in various construction joint ventures, partnerships and a limited liability company of which we are a limited member (“joint ventures”). We also participate in various “line item” joint venture agreements under which each member is responsible for performing certain discrete items of the total scope of contracted work.

Due to the joint and several nature of the performance obligations under the related owner contracts, if any of the members fail to perform, we and the other members would be responsible for performance of the outstanding work. At June 30, 2015, there was approximately $5.7 billion of construction revenue to be recognized on unconsolidated and line item construction joint venture contracts of which $1.7 billion represented our share and the remaining $4.0 billion represented the other members’ share. We are not able to estimate amounts that may be required beyond the remaining cost of the work to be performed. These costs could be offset by billings to the customer or by proceeds from the other members and/or other guarantors.

Construction Joint Ventures

Generally, each construction joint venture is formed to complete a specific contract and is jointly controlled by the venture members. The associated agreements typically provide that our interests in any profits and assets, and our respective share in any losses and liabilities resulting from the performance of the contracts, are limited to our stated percentage interest in the venture. Under our contractual arrangements, we provide capital to these joint ventures in return for an ownership interest. In addition, members dedicate resources to the ventures necessary to complete the contracts and are reimbursed for their cost. The operational risks of each construction joint venture are passed along to the joint venture members. As we absorb our share of these risks, our investment in each venture is exposed to potential gains and losses.

We have determined that certain of these joint ventures are consolidated because they are variable interest entities (“VIEs”), and we are the primary beneficiary, or because they are not VIEs, and we hold the majority voting interest.

We continually evaluate whether there are changes in the status of the VIEs or changes to the primary beneficiary designation of the VIE. Based on our assessments during the three months ended June 30, 2015, we determined no change was required for existing construction joint ventures.

12

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Consolidated Construction Joint Ventures

The carrying amounts and classification of assets and liabilities of construction joint ventures we are required to consolidate are included on the condensed consolidated balance sheets as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Cash and cash equivalents1	$	46,963	$	61,276	$	29,109
Receivables, net	36,978		36,781		45,825
Costs and estimated earnings in excess of billings1	239		129		25,217
Other current assets	2,323		1,617		4,276
Total current assets	86,503		99,803		104,427
Property and equipment, net	7,474		11,969		16,957
Total assets2	$	93,977	$	111,772	$	121,384
Accounts payable	$	12,554	$	18,009	$	26,246
Billings in excess of costs and estimated earnings1	23,947		32,830		27,876
Accrued expenses and other current liabilities	1,388		2,714		3,805
Total liabilities2	$	37,889	$	53,553	$	57,927

¹The volume and stage of completion of contracts from our consolidated construction joint ventures may cause fluctuations in cash and cash equivalents as well as billings in excess of costs and estimated earnings and costs in excess of billings and estimated earnings between periods.

²The assets and liabilities of each consolidated joint venture relate solely to that joint venture. The decision to distribute joint venture cash and cash equivalents and assets must generally be made jointly by a majority of the members and, accordingly, these cash and cash equivalents and assets generally are not available for the working capital needs of Granite until distributed.

At June 30, 2015, we were engaged in two active consolidated construction joint venture projects with total contract values of $32.7 million and $284.7 million. Our share of revenue remaining to be recognized on these consolidated joint ventures was $0.1 million and $32.1 million. Our proportionate share of the equity in these joint ventures was 55.0% and 65.0%. During the three and six months ended June 30, 2015, total revenue from consolidated construction joint ventures was $10.0 million and $25.0 million, respectively. During the three and six months ended June 30, 2014, total revenue from consolidated construction joint ventures was $66.0 million and $98.2 million, respectively. Total operating cash flows used in consolidated construction joint ventures were $12.0 million and $41.9 million during the six months ended June 30, 2015 and 2014, respectively.

Unconsolidated Construction Joint Ventures

We account for our share of construction joint ventures that we are not required to consolidate on a pro rata basis in the condensed consolidated statements of operations and as a single line item on the condensed consolidated balance sheets. As of June 30, 2015, these unconsolidated joint ventures were engaged in eleven active projects with total contract values ranging from $73.0 million to $3.1 billion. Our proportionate share of the equity in these unconsolidated joint ventures ranged from 20.0% to 50.0%. As of June 30, 2015, our share of the revenue remaining to be recognized on these unconsolidated joint ventures ranged from $4.6 million to $649.5 million.

As of June 30, 2015, one of our unconsolidated construction joint ventures was located in Canada and, therefore, the associated disclosures throughout this footnote include amounts that were translated from Canadian dollars to U.S. dollars using the spot rate in effect as of the reporting date for balance sheet items, and the average rate in effect during the reporting period for the results of operations. The associated foreign currency translation adjustments did not have a material impact on the condensed consolidated financial statements for any of the dates or periods presented.

13

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

The following is summary financial information related to unconsolidated construction joint ventures:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Assets:
Cash and cash equivalents1	$	336,581	$	264,263	$	226,217
Other assets	816,262		573,898		637,896
Less partners’ interest	771,875		546,907		572,753
Granite’s interest	380,968		291,254		291,360
Liabilities:
Accounts payable	216,663		146,198		133,914
Billings in excess of costs and estimated earnings1	276,982		156,604		162,951
Other liabilities	64,581		55,289		63,501
Less partners’ interest	385,506		251,412		254,865
Granite’s interest	172,720		106,679		105,501
Equity in construction joint ventures2	$	208,248	$	184,575	$	185,859

¹The volume and stage of completion of contracts from our unconsolidated construction joint ventures may cause fluctuations in cash and cash equivalents as well as billings in excess of costs and estimated earnings and costs in excess of billings and estimated earnings between periods. The decision to distribute joint venture cash and cash equivalents and assets must generally be made jointly by all of the partners and, accordingly, these cash and cash equivalents and assets generally are not available for the working capital needs of Granite until distributed.

²As of June 30, 2015, this balance included $0.8 million of deficit in construction joint ventures that is included in accrued expenses and other current liabilities on the condensed consolidated balance sheet.

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2015		2014		2015		2014
Revenue:
Total	$	466,144	$	392,165	$	909,551	$	741,331
Less partners’ interest and adjustments1	327,980		268,526		636,100		528,383
Granite’s interest	138,164		123,639		273,451		212,948
Cost of revenue:
Total	436,230		345,704		846,301		643,166
Less partners’ interest and adjustments1	305,822		246,065		591,869		456,972
Granite’s interest	130,408		99,639		254,432		186,194
Granite’s interest in gross profit	$	7,756	$	24,000	$	19,019	$	26,754

¹Partners’ interest represents amounts to reconcile total revenue and total cost of revenue as reported by our partners to Granite’s interest adjusted to reflect our accounting policies.

During the three and six months ended June 30, 2015, unconsolidated construction joint venture net income was $34.0 million and $67.4 million, respectively, of which our share was $7.3 million and $18.6 million, respectively. During the three and six months ended June 30, 2014, unconsolidated construction joint venture net income was $49.4 million and $100.4 million, respectively, of which our share was $23.2 million and $25.7 million, respectively. These joint venture net income amounts exclude our corporate overhead required to manage the joint ventures.

14

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Line Item Joint Ventures

The revenue for each line item joint venture member’s discrete items of work is defined in the contract with the project owner and each venture member bears the profitability risk associated with its own work. There is not a single set of books and records for a line item joint venture. Each member accounts for its items of work individually as it would for any self-performed contract. We include only our portion of these contracts in our condensed consolidated financial statements. As of June 30, 2015, we had four active line item joint venture construction projects with total contract values ranging from $43.4 million to $87.0 million of which our portion ranged from $29.5 million to $64.5 million. As of June 30, 2015, our share of revenue remaining to be recognized on these line item joint ventures ranged from $2.0 million to $19.4 million.

8. Investments in Affiliates

Our investments in affiliates balance is related to our investments in unconsolidated non-construction entities that we account for using the equity method of accounting, including investments in real estate entities and a non-real estate entity. Our share of the operating results of the equity method investments is included in other income in the condensed consolidated statements of operations and as a single line item on the condensed consolidated balance sheets as investments in affiliates.

Our investments in affiliates balance consists of the following:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Equity method investments in real estate affiliates	$	23,102	$	22,623	$	23,082
Equity method investment in other affiliate	9,553		9,738		10,854
Total investments in affiliates	$	32,655	$	32,361	$	33,936

The following table provides summarized balance sheet information for our affiliates accounted for under the equity method on a combined basis:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Total assets	$	175,503	$	170,174	$	171,991
Net assets	103,539		97,639		98,342
Granite’s share of net assets	32,655		32,361		33,936

The equity method investments in real estate included $17.5 million, $16.5 million and $16.7 million in residential real estate in Texas as of June 30, 2015, December 31, 2014 and June 30, 2014, respectively. The remaining balances were in commercial real estate in Texas. Of the $175.5 million in total assets as of June 30, 2015, real estate entities had total assets ranging from $1.8 million to $63.8 million and the non-real estate entity had total assets of $20.8 million.

15

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

9. Property and Equipment, net

Balances of major classes of assets and allowances for depreciation and depletion are included in property and equipment, net on our condensed consolidated balance sheets as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Equipment and vehicles	$	768,831	$	767,313	$	769,271
Quarry property	172,009		172,081		170,279
Land and land improvements	110,452		110,235		120,982
Buildings and leasehold improvements	82,628		82,655		83,994
Office furniture and equipment	70,903		70,820		70,192
Property and equipment	1,204,823		1,203,104		1,214,718
Less: accumulated depreciation and depletion	812,834		793,451		788,018
Property and equipment, net	$	391,989	$	409,653	$	426,700

10. Intangible Assets

Indefinite-lived Intangible Assets

Indefinite-lived intangible assets primarily consist of goodwill and use rights. Use rights of $0.4 million are included in other noncurrent assets on our condensed consolidated balance sheets as of June 30, 2015, December 31, 2014 and June 30, 2014.

The following table presents the goodwill balance by reportable segment:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Construction	$	29,260	$	29,260	$	29,260
Large Project Construction	22,593		22,593		22,593
Construction Materials	1,946		1,946		1,946
Total goodwill	$	53,799	$	53,799	$	53,799

The results of operations and cash flows of our business are susceptible to fluctuations due to a variety of factors, including the size, frequency and profitability of contract awards. The Kenny Large Projects reporting unit is particularly susceptible to these fluctuations given its historically narrow end-market focus. A substantial decline in the actual and projected award rate may impact projected cash flows of any of our reporting units which could cause book value to exceed calculated fair value, resulting in the impairment of all or some portion of goodwill attributable to the Kenny Group Large Project Construction reporting unit.

16

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Amortized Intangible Assets

The following is the breakdown of our amortized intangible assets that are included in other noncurrent assets on our condensed consolidated balance sheets (in thousands):

			Accumulated
June 30, 2015	Gross Value		Amortization			Net Book Value
Permits	$	29,713	$	(13,677	)	$	16,036
Acquired backlog	7,900		(7,459		)	441
Customer lists	4,398		(2,931		)	1,467
Trade name	4,100		(1,079		)	3,021
Covenants not to compete and other	2,459		(2,429		)	30
Total amortized intangible assets	$	48,570	$	(27,575	)	$	20,995

			Accumulated
December 31, 2014	Gross Value		Amortization			Net Book Value
Permits	$	29,713	$	(13,115	)	$	16,598
Acquired backlog	7,900		(7,263		)	637
Customer lists	4,398		(2,785		)	1,613
Trade name	4,100		(863		)	3,237
Covenants not to compete and other	2,459		(2,428		)	31
Total amortized intangible assets	$	48,570	$	(26,454	)	$	22,116

			Accumulated
June 30, 2014	Gross Value		Amortization			Net Book Value
Permits	$	29,713	$	(12,554	)	$	17,159
Acquired backlog	7,900		(7,102		)	798
Customer lists	4,398		(2,638		)	1,760
Trade name	4,100		(647		)	3,453
Covenants not to compete and other	2,459		(2,426		)	33
Total amortized intangible assets	$	48,570	$	(25,367	)	$	23,203

Amortization expense related to amortized intangible assets for the three and six months ended June 30, 2015 was $0.5 million and $1.1 million, respectively. Amortization expense related to amortized intangible assets for the three and six months ended June 30, 2014 was $0.6 million and $1.2 million, respectively. Based on the amortized intangible assets balance at June 30, 2015, amortization expense expected to be recorded in the future is as follows: $1.4 million for the remainder of 2015; $1.8 million in 2016; $1.7 million in 2017; $1.7 million in 2018; $1.7 million in 2019; and $12.7 million thereafter.

17

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

11. Covenants and Events of Default

Our debt and credit agreements require us to comply with various affirmative, restrictive and financial covenants. Our failure to comply with any of these covenants, or to pay principal, interest or other amounts when due thereunder, would constitute an event of default under the applicable agreements. Under certain circumstances, the occurrence of an event of default under one of our debt or credit agreements (or the acceleration of the maturity of the indebtedness under one of our agreements) may constitute an event of default under one or more of our other debt or credit agreements. Default under our debt and credit agreements could result in (1) us no longer being entitled to borrow under the agreements; (2) termination of the agreements; (3) the requirement that any letters of credit under the agreements be cash collateralized; (4) acceleration of the maturity of outstanding indebtedness under the agreements; and/or (5) foreclosure on any collateral securing the obligations under the agreements.

As of June 30, 2015, senior notes payable in the amount of $200.0 million were due to a group of institutional holders in five equal annual installments beginning in 2015 and bear interest at 6.11% per annum (“2019 Notes”). As of June 30, 2015, we were in compliance with the covenants contained in our note purchase agreement governing our 2019 Notes (the “2019 NPA”) and the credit agreement governing the $215.0 million committed revolving credit facility, with a sublimit for letters of credit of $100.0 million (“Credit Agreement”), as well as the debt agreements related to our consolidated real estate entity. We are not aware of any non-compliance by any of our unconsolidated real estate entities with the covenants contained in their debt agreements.

12. Weighted Average Shares Outstanding and Net Income (Loss) Per Share

Basic net income per share is computed using the weighted-average number of common shares outstanding during the period. Diluted net income per share is computed using the weighted-average number of common shares and dilutive potential common shares outstanding during the period. Potential common shares include stock options and restricted stock units. The following table presents a reconciliation of the weighted average shares outstanding used in calculating basic and diluted net income (loss) per share as well as the calculation of basic and diluted net income (loss) per share:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands, except per share amounts)	2015		2014		2015		2014
Numerator (basic and diluted):
Net income (loss) allocated to common shareholders for basic calculation	$	9,613	$	13,641	$	1,053	$	(6,913	)
Denominator:
Weighted average common shares outstanding, basic	39,358		39,115		39,287		39,033
Dilutive effect of stock options and restricted stock units1	523		692		561		—
Weighted average common shares outstanding, diluted	39,881		39,807		39,848		39,033
Net income (loss) per share, basic	$	0.24	$	0.35	$	0.03	$	(0.18	)
Net income (loss) per share, diluted	$	0.24	$	0.34	$	0.03	$	(0.18	)

¹Due to the net loss for the six months ended June 30, 2014, restricted stock units and common stock options representing approximately 746,000 shares have been excluded from the number of shares used in calculating diluted net loss per share, as their inclusion would be antidilutive.

18

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

13. Equity

The following tables summarize our equity activity for the periods presented (in thousands):

	Granite Construction Incorporated			Non-controlling Interests			Total Equity
Balance at December 31, 2014	$	794,385		$	22,721		$	817,106
Purchase of common stock1	(3,332		)	—			(3,332		)
Other transactions with shareholders and employees2	5,092			—			5,092
Transactions with non-controlling interests, net	—			(1,282		)	(1,282		)
Net income (loss)	1,053			(124		)	929
Dividends on common stock	(10,233		)	—			(10,233		)
Balance at June 30, 2015	$	786,965		$	21,315		$	808,280

Balance at December 31, 2013	$	781,940		$	4,404	$	786,344
Purchase of common stock3	(4,369		)	—		(4,369		)
Other transactions with shareholders and employees2	7,989			—		7,989
Transactions with non-controlling interests, net	—			12,804		12,804
Net (loss) income	(6,913		)	7,858		945
Dividends on common stock	(10,170		)	—		(10,170		)
Balance at June 30, 2014	$	768,477		$	25,066	$	793,543

¹Represents 102,000 shares purchased in connection with employee tax withholding for units vested under our Amended and Restated 1999 Equity Incentive Plan.

²Amounts are comprised primarily of amortized restricted stock units.

³Represents 113,000 shares purchased in connection with employee tax withholding for units vested under our Amended and Restated 1999 Equity Incentive Plan.

19

GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

14. Legal Proceedings

In the ordinary course of business, we and our affiliates are involved in various legal proceedings alleging, among other things, public liability issues or breach of contract or tortious conduct in connection with the performance of services and/or materials provided, the various outcomes of which cannot be predicted with certainty. We and our affiliates are also subject to government inquiries in the ordinary course of business seeking information concerning our compliance with government construction contracting requirements and various laws and regulations, the outcomes of which cannot be predicted with certainty.

Some of the matters in which we or our joint ventures and affiliates are involved may involve compensatory, punitive, or other claims or sanctions that, if granted, could require us to pay damages or make other expenditures in amounts that are not probable to be incurred or cannot currently be reasonably estimated. In addition, in some circumstances our government contracts could be terminated, we could be suspended, debarred or incur other administrative penalties or sanctions, or payment of our costs could be disallowed. While any of our pending legal proceedings may be subject to early resolution as a result of our ongoing efforts to settle, whether or when any legal proceeding will be resolved through settlement is neither predictable nor guaranteed.

Accordingly, it is possible that future developments in such proceedings and inquiries could require us to (i) adjust existing accruals, or (ii) record new accruals that we did not originally believe to be probable or that could not be reasonably estimated. Such changes could be material to our financial condition, results of operations and/or cash flows in any particular reporting period. In addition to matters that are considered probable for which the loss can be reasonably estimated, we also disclose certain matters where the loss is considered reasonably possible and is reasonably estimable.

Liabilities relating to legal proceedings and government inquiries, to the extent that we have concluded such liabilities are probable and the amounts of such liabilities are reasonably estimable, are recorded in our condensed consolidated balance sheets. The aggregate liabilities recorded as of June 30, 2015, December 31, 2014 and June 30, 2014 related to these matters were approximately $9.5 million, $9.7 million and $9.9 million, respectively, and were primarily included in accrued expenses and other current liabilities. The aggregate range of possible loss related to (i) matters considered reasonably possible, and (ii) reasonably possible amounts in excess of accrued losses recorded for probable loss contingencies, was zero to $0.7 million as of June 30, 2015. Our view as to such matters could change in future periods.

Investigation Related to Grand Avenue Project Disadvantaged Business Enterprise (“DBE”) Issues: On March 6, 2009, the U.S. Department of Transportation, Office of Inspector General served upon our wholly-owned subsidiary, Granite Construction Northeast, Inc. (“Granite Northeast”), a United States District Court, Eastern District of New York Grand Jury subpoena to produce documents. The subpoena sought all documents pertaining to the use of a DBE firm (the “Subcontractor”), and the Subcontractor’s use of a non-DBE subcontractor/consultant, on the Grand Avenue Bus Depot and Central Maintenance Facility for the Borough of Queens Project (the “Grand Avenue Project”), a Granite Northeast project, that began in 2004 and was substantially complete in 2008. The subpoena also sought any documents regarding the use of the Subcontractor as a DBE on any other projects and any other documents related to the Subcontractor or to the subcontractor/consultant. Granite Northeast produced the requested documents, together with other requested information. Subsequently, Granite Northeast was informed by the Department of Justice (“DOJ”) that it is a subject of an investigation, along with others, and that the DOJ believes that Granite Northeast’s claim of DBE credit for the Subcontractor was improper. In addition to the documents produced in response to the Grand Jury subpoena, Granite Northeast has provided requested information to the DOJ, along with other federal and state agencies (collectively the “Agencies”), concerning other DBE entities for which Granite Northeast has historically claimed DBE credit. The Agencies have informed Granite Northeast that they believe that the claimed DBE credit taken for some of those other DBE entities was improper. Granite Northeast has met several times since January 2013 with the DOJ and the Agencies’ representatives to discuss the government’s criminal investigation of the Grand Avenue Project participants, including Granite Northeast, and to discuss their respective positions on, and potential resolution of, the issues raised in the investigation. In connection with this investigation, Granite Northeast is subject to potential civil, criminal, and/or administrative penalties or sanctions, as well as additional future DBE compliance activities and the costs associated therewith. Granite believes that the incurrence of some form of penalty or sanction is probable, and has therefore recorded what it believes to be the most likely amount of liability it may incur in its condensed consolidated balance sheet as of June 30, 2015. The resolution of the matters under investigation could have additional consequences that could have a material adverse effect on our financial position, results of operations and/or liquidity.

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GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

15. Business Segment Information

Our reportable segments are: Construction, Large Project Construction and Construction Materials. 

The Construction segment performs various construction projects with a large portion of the work focused on new construction and improvement of streets, roads, highways, bridges, site work, underground, power-related facilities, utilities and other infrastructure projects. These projects are typically bid-build projects completed within two years with a contract value of less than $75 million.

The Large Project Construction segment focuses on large, complex infrastructure projects which typically have a longer duration than our Construction segment work. These projects include major highways, mass transit facilities, bridges, tunnels, waterway locks and dams, pipelines, canals, power-related facilities, utilities and airport infrastructure. This segment primarily includes bid-build, design-build, and construction management/general contractor contracts, together with various contract methods relating to Public Private Partnerships, generally with contract values in excess of $75 million.

The Construction Materials segment mines and processes aggregates and operates plants that produce construction materials for internal use and for sale to third parties. In addition, the Construction Materials segment includes real estate investment activity that was not material for any of the periods presented.

The accounting policies of the segments are the same as those described in the Summary of Significant Accounting Policies contained in our 2014 Annual Report on Form 10-K, except as disclosed in Note 1. We evaluate segment performance based on gross profit or loss, and do not include selling, general and administrative expenses and non-operating income or expense. Segment assets include property and equipment, intangibles, goodwill, inventory and equity in construction joint ventures.

Summarized segment information is as follows (in thousands):

	Three Months Ended June 30,
	Construction		Large Project Construction		Construction Materials			Total
2015
Total revenue from reportable segments	$	305,605	$	182,893	$	113,449		$	601,947
Elimination of intersegment revenue	—		—		(32,705		)	(32,705		)
Revenue from external customers	305,605		182,893		80,744			569,242
Gross profit	40,062		14,773		10,933			65,768
Depreciation, depletion and amortization	4,866		2,359		5,575			12,800
2014
Total revenue from reportable segments	$	269,220	$	244,328	$	97,800		$	611,348
Elimination of intersegment revenue	—		—		(25,478		)	(25,478		)
Revenue from external customers	269,220		244,328		72,322			585,870
Gross profit	24,827		50,792		6,796			82,415
Depreciation, depletion and amortization	4,229		4,020		5,512			13,761

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GRANITE CONSTRUCTION INCORPORATED

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

	Six Months Ended June 30,
	Construction		Large Project Construction		Construction Materials			Total
2015
Total revenue from reportable segments	$	494,125	$	373,198	$	167,149		$	1,034,472
Elimination of intersegment revenue	—		—		(44,981		)	(44,981		)
Revenue from external customers	494,125		373,198		122,168			989,491
Gross profit	61,737		32,544		11,596			105,877
Depreciation, depletion and amortization	9,558		5,003		11,007			25,568
Segment assets	143,139		265,124		308,207			716,470
2014
Total revenue from reportable segments	$	426,261	$	431,663	$	139,909		$	997,833
Elimination of intersegment revenue	—		—		(32,116		)	(32,116		)
Revenue from external customers	426,261		431,663		107,793			965,717
Gross profit	33,972		66,583		3,267			103,822
Depreciation, depletion and amortization	8,244		7,224		10,860			26,328
Segment assets	150,113		253,646		327,310			731,069

A reconciliation of segment gross profit to consolidated income before provision for income taxes is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2015			2014			2015			2014
Total gross profit from reportable segments	$	65,768		$	82,415		$	105,877		$	103,822
Selling, general and administrative expenses	49,094			51,098			101,297			100,346
Gain on sales of property and equipment	(475		)	(2,993		)	(1,286		)	(3,886		)
Other expense	2,635			1,819			4,468			4,197
Income before provision for income taxes	$	14,514		$	32,491		$	1,398		$	3,165

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Item 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION ANDRESULTS OF OPERATIONS

Forward-Looking Disclosure

From time to time, Granite makes certain comments and disclosures in reports and statements, including in this Quarterly Report on Form 10-Q, or statements made by its officers or directors, that are not based on historical facts, including statements regarding future events, occurrences, circumstances, activities, performance, outcomes and results, that may constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are identified by words such as “future,” “outlook,” “assumes,” “believes,” “expects,” “estimates,” “anticipates,” “intends,” “plans,” “appears,” “may,” “will,” “should,” “could,” “would,” “continue,” and the negatives thereof or other comparable terminology or by the context in which they are made. In addition, other written or oral statements which constitute forward-looking statements have been made and may in the future be made by or on behalf of Granite. These forward-looking statements are estimates reflecting the best judgment of senior management and reflect our current expectations regarding future events, occurrences, circumstances, activities, performance, outcomes and results. These expectations may or may not be realized. Some of these expectations may be based on beliefs, assumptions or estimates that may prove to be incorrect. In addition, our business and operations involve numerous risks and uncertainties, many of which are beyond our control, which could result in our expectations not being realized or otherwise materially affect our business, financial condition, results of operations, cash flows and liquidity. Such risks and uncertainties include, but are not limited to, those more specifically described in our Annual Report on Form 10-K under “Item 1A. Risk Factors.”Due to the inherent risks and uncertainties associated with our forward-looking statements, the reader is cautioned not to place undue reliance on them. The reader is also cautioned that the forward-looking statements contained herein speak only as of the date of this Quarterly Report on Form 10-Q and, except as required by law, we undertake no obligation to revise or update any forward-looking statements for any reason.

Overview

We are one of the largest diversified heavy civil contractors and construction materials producers in the United States, engaged in the construction and improvement of streets, roads, highways, mass transit facilities, airport infrastructure, bridges, trenchless and underground utilities, power-related facilities, utilities, tunnels, dams and other infrastructure-related projects. We own aggregate reserves and plant facilities to produce construction materials for use in our construction business and for sale to third parties. We also operate a real estate investment business that we have been divesting over the past five years as part of our 2010 Enterprise Improvement Plan (“EIP”). Our permanent offices are located in Alaska, Arizona, California, Colorado, Florida, Illinois, Nevada, New York, Texas, Utah and Washington. We have three reportable business segments: Construction, Large Project Construction and Construction Materials (see Note 15 of “Notes to the Condensed Consolidated Financial Statements”).

In addition to business segments, we review our business by operating groups and by public and private market sectors. Our operating groups are defined as follows: (1) California; (2) Northwest, which primarily includes offices in Alaska, Arizona, Nevada, Utah and Washington; (3) Heavy Civil, which primarily includes offices in California, Florida, New York and Texas; and (4) Kenny, which primarily includes offices in Colorado and Illinois. Each of these operating groups may include financial results from our Construction and Large Project Construction segments. A project’s results are reported in the operating group that is responsible for the project, not necessarily the geographic area where the work is located. In some cases, the operations of an operating group include the results of work performed outside of that geographic region. Our California and Northwest operating groups include financial results from our Construction Materials segment.

Our construction contracts are obtained through competitive bidding in response to solicitations by both public agencies and private parties and on a negotiated basis as a result of solicitations from private parties. Project owners use a variety of methods to make contractors aware of new projects, including posting bidding opportunities on agency websites, disclosing long-term infrastructure plans, advertising and other general solicitations. Our bidding activity is affected by such factors as the nature and volume of advertising and other solicitations, contract backlog, available personnel, current utilization of equipment and other resources, our ability to obtain necessary surety bonds and competitive considerations. Our contract review process includes identifying risks and opportunities during the bidding process and managing these risks through mitigation efforts such as insurance and pricing. Contracts fitting certain criteria of size and complexity are reviewed by various levels of management and, in some cases, by the Executive Committee of our Board of Directors. Bidding activity, contract backlog and revenue resulting from the award of new contracts may vary significantly from period to period.

Our typical construction project begins with the preparation and submission of a bid to a customer. If selected as the successful bidder, we generally enter into a contract with the customer that provides for payment upon completion of specified work or units of work as identified in the contract.

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The four primary economic drivers of our business are (1) the overall health of the economy; (2) federal, state and local public funding levels; (3) population growth resulting in public and private development; and (4) the need to replace or repair aging infrastructure. A stagnant or declining economy will generally result in reduced demand for construction and construction materials in the private sector. This reduced demand increases competition for private sector projects and will ultimately also increase competition in the public sector as companies migrate from bidding on scarce private sector work to projects in the public sector. Greater competition can reduce our revenues and/or have a downward impact on our gross profit margins. In addition, a stagnant or declining economy tends to produce less tax revenue for public agencies, thereby decreasing a source of funds available for spending on public infrastructure improvements. Some funding sources that have been specifically earmarked for infrastructure spending, such as diesel and gasoline taxes, are not as directly affected by a stagnant or declining economy, unless actual consumption is reduced. However, even these can be temporarily at risk as federal, state and local governments take actions to balance their budgets. Additionally, high fuel prices and more fuel efficient vehicles can have a dampening effect on consumption, resulting in overall lower tax revenue. Conversely, increased levels of public funding as well as an expanding or robust economy will generally increase demand for our services and provide opportunities for revenue growth and margin improvement.

Current Economic Environment and Outlook

At $3.0 billion at June 30, 2015, total company backlog continues to provide Granite with opportunities to grow. Dedicated federal transportation funding remains a concern. The two-year federal highway bill, Moving Ahead for Progress in the 21st Century, expired in September 2014 and the bill's second, short-term extension expires July 31, 2015. While we are encouraged that nearly a dozen states have enacted new, user-based transportation funding since 2013, Congressional action remains overdue for the infrastructure investment commitment required to allow regional transportation authorities, states, and municipalities the confidence to plan beyond the end of the next short-term patchwork funding cycle.

Once again in 2015, market conditions remain generally stable, but highly competitive. We continue to benefit overall from private non-residential activity, combined with growing revenue and profit synergies from our diversified markets.

The markets for projects within our Large Project Construction segment remain strong yet highly competitive. Granite is a highly desired partner for all types of work, including Public Private Partnerships. We continue to pursue significant bidding opportunities for our Large Project Construction segment, which include teaming arrangements with partners to bid on more than $20 billion of project opportunities over the next eighteen months.

As a result of schedule and scope changes associated with certain projects in our Large Project Construction segment, we are constantly evaluating the potential revision of estimated total costs and revenue in relation to those contracts. It is possible that any such contract estimate revisions could have a positive or negative material impact on our results of operations individually or in the aggregate.

Results of Operations

Our business is seasonal and can be affected by weather conditions in certain geographies. In addition, annual maintenance on our equipment and plants is typically performed during the first and second quarter, causing down time in operations. These factors can create variability in revenue and profit. Therefore, the results of operations of a given quarter are not necessarily indicative of the results to be expected for the full year.

The following table presents a financial summary on a comparative basis for the three and six months ended June 30, 2015 and 2014.

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2015		2014		2015		2014
Total revenue	$	569,242	$	585,870	$	989,491	$	965,717
Gross profit	65,768		82,415		105,877		103,822
Operating income	17,149		34,310		5,866		7,362
Total other expense	2,635		1,819		4,468		4,197
Net income (loss) attributable to Granite Construction Incorporated	9,613		13,641		1,053		(6,913		)

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Revenue

Total Revenue by Segment

	Three Months Ended June 30,								Six Months Ended June 30,
(dollars in thousands)	2015				2014				2015				2014
Construction	$	305,605	53.7	%	$	269,220	46.0	%	$	494,125	50.0	%	$	426,261	44.1	%
Large Project Construction	182,893		32.1		244,328		41.7		373,198		37.7		431,663		44.7
Construction Materials	80,744		14.2		72,322		12.3		122,168		12.3		107,793		11.2
Total	$	569,242	100.0	%	$	585,870	100.0	%	$	989,491	100.0	%	$	965,717	100.0	%

Construction Revenue

	Three Months Ended June 30,								Six Months Ended June 30,
(dollars in thousands)	2015				2014				2015				2014
California:
Public sector	$	93,522	30.6	%	$	92,756	34.4	%	$	158,471	31.9	%	$	159,277	37.2	%
Private sector	18,649		6.1		18,037		6.7		44,884		9.1		35,695		8.4
Northwest:
Public sector	121,074		39.6		91,697		34.1		158,928		32.2		114,120		26.8
Private sector	21,361		7.0		23,677		8.8		49,820		10.1		42,899		10.1
Heavy Civil:
Public sector	8,131		2.7		3,004		1.1		15,089		3.1		5,855		1.4
Kenny:
Public sector	25,444		8.3		30,353		11.3		33,876		6.9		45,922		10.8
Private sector	17,424		5.7		9,696		3.6		33,057		6.7		22,493		5.3
Total	$	305,605	100.0	%	$	269,220	100.0	%	$	494,125	100.0	%	$	426,261	100.0	%

Construction revenue for the three and six months ended June 30, 2015 increased by $36.4 million, or 13.5%, and $67.9 million, or 15.9%, respectively, compared to the same periods in 2014. The increase was primarily due to early season work in the Northwest operating group, new work in the Heavy Civil operating group and estimated cost recoveries on claims in the California and Northwest operating groups.

Large Project Construction Revenue

	Three Months Ended June 30,								Six Months Ended June 30,
(dollars in thousands)	2015				2014				2015				2014
Heavy Civil1	$	139,881	76.4	%	$	192,188	78.7	%	$	280,400	75.2	%	$	334,171	77.4	%
Northwest1	14,600		8.0		5,555		2.3		24,311		6.5		8,457		2.0
California1	5,817		3.2		17,571		7.1		10,942		2.9		34,808		8.0
Kenny
Public sector	16,920		9.3		23,601		9.7		39,731		10.6		41,789		9.7
Private sector	5,675		3.1		5,413		2.2		17,814		4.8		12,438		2.9
Total	$	182,893	100.0	%	$	244,328	100.0	%	$	373,198	100.0	%	$	431,663	100.0	%

¹For the periods presented, this Large Project Construction revenue was earned from the public sector.

Large Project Construction revenue for the three and six months ended June 30, 2015 decreased by $61.4 million, or 25.1%, and $58.5 million, or 13.5%, respectively, compared to the same periods in 2014 due to net decreases in settlements of outstanding issues with contract owners in 2015 relative to 2014, profit recognition threshold met on certain large projects in 2014, as well as ongoing projects completing or nearing completion while new projects are still in the early stages of completion. Decreases were partially offset by increases from entering the year with greater backlog than in 2014 in the Northwest operating group.

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Construction Materials Revenue

	Three Months Ended June 30,								Six Months Ended June 30,
(dollars in thousands)	2015				2014				2015				2014
California	$	48,086	59.6	%	$	39,715	54.9	%	$	77,208	63.2	%	$	64,183	59.5	%
Northwest	32,658		40.4		32,607		45.1		44,960		36.8		43,610		40.5
Total	$	80,744	100.0	%	$	72,322	100.0	%	$	122,168	100.0	%	$	107,793	100.0	%

Construction Materials revenue for the three and six months ended June 30, 2015 increased by $8.4 million, or 11.6%, and $14.4 million, or 13.3%, respectively, compared to the same periods in 2014 primarily due to stronger economic drivers in most of the Western states where we operate our plant facilities.

Contract Backlog

Our contract backlog consists of the unearned revenue on awarded contracts, including 100% of our consolidated joint venture contracts and our proportionate share of unconsolidated joint venture contracts. We generally include a project in our contract backlog at the time it is awarded and to the extent we believe funding is probable. Certain federal government contracts where funding is appropriated on a periodic basis are included in contract backlog at the time of the award. Existing contracts that include unexercised contract options and unissued task orders are included in contract backlog as task orders are issued or options are exercised. Substantially all of the contracts in our contract backlog may be canceled or modified at the election of the customer; however, we have not been materially adversely affected by contract cancellations or modifications in the past.

Total Contract Backlog by Segment

(dollars in thousands)	June 30, 2015				March 31, 2015				June 30, 2014
Construction	$	831,067	27.7	%	$	749,261	25.5	%	$	974,986	38.1	%
Large Project Construction	2,169,736		72.3		2,187,888		74.5		1,586,879		61.9
Total	$	3,000,803	100.0	%	$	2,937,149	100.0	%	$	2,561,865	100.0	%

Construction Contract Backlog

(dollars in thousands)	June 30, 2015				March 31, 2015				June 30, 2014
California:
Public sector	$	330,071	39.7	%	$	275,448	36.7	%	$	352,760	36.1	%
Private sector	51,258		6.2		49,368		6.6		76,777		7.9
Northwest:
Public sector	252,816		30.4		229,847		30.6		321,748		33.0
Private sector	25,928		3.1		18,672		2.5		50,673		5.2
Heavy Civil:
Public sector	24,815		3.0		36,400		4.9		41,347		4.2
Kenny:
Public sector	75,778		9.1		61,833		8.3		62,890		6.5
Private sector	70,401		8.5		77,693		10.4		68,791		7.1
Total	$	831,067	100.0	%	$	749,261	100.0	%	$	974,986	100.0	%

Construction contract backlog of $831.1 million at June 30, 2015 was $81.8 million, or 10.9%, higher than at March 31, 2015 due to improved success rates on bidding activity, and was $143.9 million, or 14.8%, lower than at June 30, 2014 due to progress on existing projects and timing of new awards. Significant new awards during the three months ended June 30, 2015, included a $39.0 million rapid transit project and a $22.3 million highway widening project, both in California, as well as a $27.1 million highway interchange improvement project in Washington.

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Large Project Construction Contract Backlog

(dollars in thousands)	June 30, 2015				March 31, 2015				June 30, 2014
Heavy Civil1	$	1,860,233	85.7	%	$	1,908,109	87.2	%	$	1,262,349	79.6	%
Northwest1	86,971		4.0		29,658		1.4		1,667		0.1
California1	11,416		0.5		17,643		0.8		35,183		2.2
Kenny:
Public sector2	118,537		5.5		134,298		6.1		198,046		12.5
Private sector	92,579		4.3		98,180		4.5		89,634		5.6
Total	$	2,169,736	100.0	%	$	2,187,888	100.0	%	$	1,586,879	100.0	%

¹For the periods presented, this Large Project Construction contract backlog is related to contracts with public agencies.

²As of June 30, 2015, March 31, 2015 and June 30, 2014, $22.5 million, $26.2 million and $44.2 million, respectively, of Kenny public sector contract backlog was translated from Canadian dollars to U.S. dollars at the spot rate in effect at the date of reporting.

Large Project Construction contract backlog of $2.2 billion as of June 30, 2015 was $18.2 million, or 0.8%, lower than at March 31, 2015 and $582.9 million, or 36.7%, higher than at June 30, 2014. The increase compared to June 30, 2014 was from our $696.6 million share of the I-4 Ultimate project in Florida awarded in late 2014, our $359.6 million share of the Rapid Bridge replacement project in Pennsylvania and the $152.4 million South East Connector Project in Nevada awarded in early 2015, partially offset by progress on existing projects.

Non-controlling partners’ share of Large Project Construction contract backlog as of June 30, 2015, March 31, 2015, and June 30, 2014 was $17.7 million, $21.2 million and $36.5 million, respectively.

Gross Profit

The following table presents gross profit by business segment for the respective periods:

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2015			2014			2015			2014
Construction	$	40,062		$	24,827		$	61,737		$	33,972
Percent of  segment revenue	13.1		%	9.2		%	12.5		%	8.0		%
Large Project Construction	14,773			50,792			32,544			66,583
Percent of segment revenue	8.1			20.8			8.7			15.4
Construction Materials	10,933			6,796			11,596			3,267
Percent of segment revenue	13.5			9.4			9.5			3.0
Total gross profit	$	65,768		$	82,415		$	105,877		$	103,822
Percent of total revenue	11.6		%	14.1		%	10.7		%	10.8		%

Construction gross profit for the three and six months ended June 30, 2015 increased by $15.2 million, or 61.4%, and $27.8 million, or 81.7%, respectively, compared to the same periods in 2014. Construction gross profit as a percentage of segment revenue for the three and six months ended June 30, 2015 increased to 13.1% from 9.2% and to 12.5% from 8.0%, respectively, when compared to the same periods in 2014. The increases were primarily due to $6.8 million of estimated cost recovery on claims during the six months, the impact of increased volume, better project execution providing reduced project write-downs and overall economic improvement.

Large Project Construction gross profit for the three and six months ended June 30, 2015 decreased by $36.0 million, or 70.9%, and $34.0 million, or 51.1%, respectively, when compared to the same periods in 2014. Large Project Construction gross profit as a percentage of segment revenue for the three and six months ended June 30, 2015 decreased to 8.1% from 20.8% and to 8.7% from 15.4%, respectively, when compared to the same periods in 2014. The decreases were primarily due to net decreases during the three and six months ended June 30, 2015 compared to the same periods in 2014 from revisions in estimates and gross profit recognized on projects that reached initial profit recognition (see Note 3 of “Notes to the Condensed Consolidated Financial Statements”).

Construction Materials gross profit for the three and six months ended June 30, 2015 increased by $4.1 million, or 60.9%, and $8.3 million, or 254.9%, respectively, when compared to the same periods in 2014. The increases were primarily due to increased volumes from increased operational efficiencies and overall improvement in the economy.

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Revenue in an amount equal to cost incurred is recognized if there is not sufficient information to determine the estimated profit on the project with a reasonable level of certainty. Gross profit can vary significantly in periods where previously deferred profit is recognized on one or more projects or, conversely, if we have outstanding claims that are not probable or estimable or a higher percentage of projects are in their early stages with no associated gross profit recognition.

Selling, General and Administrative Expenses

The following table presents the components of selling, general and administrative expenses for the respective periods:

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2015			2014			2015			2014
Selling
Salaries and related expenses	$	10,892		$	11,336		$	22,941		$	23,209
Other selling expenses	2,157			3,217			3,930			4,566
Total selling1	13,049			14,553			26,871			27,775
General and administrative
Salaries and related expenses	16,830			17,182			34,925			33,181
Restricted stock amortization	1,702			2,390			5,956			7,880
Other general and administrative expenses	17,513			16,973			33,545			31,510
Total general and administrative1	36,045			36,545			74,426			72,571
Total selling, general and administrative	$	49,094		$	51,098		$	101,297		$	100,346
Percent of revenue	8.6		%	8.7		%	10.2		%	10.4		%

¹During the three and six months ended June 30, 2014, $1.4 million and $2.3 million, respectively, was reclassified from general and administrative expenses to selling expenses for comparability purposes.

Selling, general and administrative expenses for the three and six months ended June 30, 2015 decreased $2.0 million, or 3.9%, and increased $1.0 million, or 0.9%, respectively, compared to the same periods in 2014.

Selling Expenses

Selling expenses include the costs for estimating and bidding, business development and materials facility permits. Selling expenses can vary depending on the volume of projects in process and the number of employees assigned to estimating and bidding activities. As projects are completed or the volume of work slows down, we temporarily redeploy project employees to bid on new projects, moving their salaries and related costs from cost of revenue to selling expenses. Selling expenses during the three and six months ended June 30, 2015 decreased $1.5 million, or 10.3%, and $0.9 million, or 3.3%, respectively, compared to the same periods in 2014 primarily due to significant bidding activity in 2014 related to two large projects.

General and Administrative Expenses

General and administrative expenses include costs related to our operational offices that are not allocated to direct contract costs and expenses related to our corporate functions. These costs include variable cash and restricted stock performance-based incentives for select management personnel on which our compensation strategy heavily relies. The cash portion of these incentives is expensed annually when earned while the restricted stock portion is expensed as earned over the vesting period of the restricted stock award (generally three years). Other general and administrative expenses include travel and entertainment, outside services, information technology, depreciation, occupancy, training, office supplies, changes in the fair market value of our Non-Qualified Deferred Compensation plan liability and other miscellaneous expenses, none of which individually exceeded 10% of total general and administrative expenses.

Total general and administrative expenses for the three and six months ended June 30, 2015 decreased $0.5 million, or 1.4%, and increased $1.9 million, or 2.6%, respectively, compared to the same periods in 2014. The increase during the six months was primarily due to a decrease in other general and administrative expenses related to a $0.5 million recovery of doubtful accounts which reduced expenses in 2014.

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Other (Income) Expense

The following table presents the components of other (income) expense for the respective periods:

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2015			2014			2015			2014
Interest income	$	(528	)	$	(413	)	$	(970	)	$	(893	)
Interest expense	3,985			4,339			7,481			7,937
Equity in income of affiliates	(670		)	(410		)	(607		)	(1,202		)
Other income, net	(152		)	(1,697		)	(1,436		)	(1,645		)
Total other expense	$	2,635		$	1,819		$	4,468		$	4,197

The decreases in other income, net, for the three and six months ended June 30, 2015 compared to the same periods in 2014 were primarily due to decreases in gains recognized on the interest rate swap in the respective periods - see further discussion in Liquidity and Capital Resources below and in Note 5 of “Notes to the Condensed Consolidated Financial Statements.”

Income Taxes

The following table presents the provision for income taxes for the respective periods:

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2015			2014			2015			2014
Provision for income taxes	$	4,975		$	10,284		$	469		$	2,220
Effective tax rate	34.3		%	31.7		%	33.5		%	70.1		%

We calculate our income tax provision at the end of each interim period by estimating our annual effective tax rate and applying that rate to our year-to-date ordinary earnings. The effect of changes in enacted tax laws, tax rates or tax status is recognized in the interim period in which the change occurs.

Our effective tax rate increased to 34.3% for the three months ended June 30, 2015 from 31.7% for the three months ended June 30, 2014 primarily due to a decrease in non-controlling interests. Our effective tax rate decreased to 33.5% for the six months ended June 30, 2015 from 70.1% for the six months ended June 30, 2014 primarily due to the effect of state tax laws which were enacted during the three months ended March 31, 2014.

Certain Legal Proceedings

As discussed in Note 14 of “Notes to the Condensed Consolidated Financial Statements,” under certain circumstances the resolution of certain legal proceedings to which we are subject could have direct or indirect consequences that could have a material adverse effect on our financial position, results of operations, cash flows and/or liquidity.

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Liquidity and Capital Resources

The timing differences between our cash inflows and outflows require us to maintain adequate levels of working capital. We believe our cash and cash equivalents, short-term investments, available borrowing capacity and cash expected to be generated from operations will be sufficient to meet our expected working capital needs, capital expenditures, financial commitments, cash dividend payments, and other liquidity requirements associated with our existing operations for the next twelve months. We maintain a collateralized revolving credit facility of $215.0 million, of which $125.8 million was available at June 30, 2015, primarily to provide capital needs to fund growth opportunities, either internal or generated through acquisitions (see Credit Agreement discussion below for further information). We do not anticipate that this credit facility will be required to fund future working capital needs associated with our existing operations. However, we have the ability and intent to draw on this credit facility or obtain another source of financing during 2015 to re-pay $40.0 million of maturing 2019 Notes (defined in Senior Notes Payable section below). If we experience a prolonged change in our business operating results or make a significant acquisition, we may need to acquire additional sources of financing, which, if available, may be limited by the terms of our existing debt covenants, or may require the amendment of our existing debt agreements. There can be no assurance that sufficient capital will continue to be available in the future or that it will be available on terms acceptable to us.

We typically invoice our customers on a monthly basis. Our contracts frequently call for retention that is a specified percentage withheld from each payment until the contract is completed and the work accepted by the customer. Our revenue, gross margin and cash flows can differ significantly from period to period due to a variety of factors, including the projects’ stage of completion, the mix of early and late stage projects, our estimates of contract costs, outstanding contract change orders and claims and the payment terms of our contracts.

The following table presents our cash, cash equivalents and marketable securities, including amounts from our consolidated joint ventures, as of the respective dates:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Cash and cash equivalents excluding consolidated joint ventures	$	141,184	$	194,685	$	117,349
Consolidated construction joint venture cash and cash equivalents1	46,963		61,276		29,109
Total consolidated cash and cash equivalents	188,147		255,961		146,458
Short-term and long-term marketable securities2	88,068		102,067		112,132
Total cash, cash equivalents and marketable securities	$	276,215	$	358,028	$	258,590

¹The volume and stage of completion of contracts from our consolidated construction joint ventures may cause fluctuations in joint venture cash and cash equivalents between periods. These funds generally are not available for the working capital or other liquidity needs of Granite until distributed.

²See Note 4 of “Notes to the Condensed Consolidated Financial Statements” for the composition of our marketable securities.

Our primary sources of liquidity are cash and cash equivalents, marketable securities and cash generated from operations. We may also from time to time access our credit facility, issue and sell equity, debt or hybrid securities or engage in other capital markets transactions.

Our cash and cash equivalents consisted of deposits and money market funds held with established national financial institutions. Marketable securities consist of U.S. Government and agency obligations and commercial paper.

Consolidated joint ventures were responsible for $14.3 million, or 21.1%, of the $67.8 million decrease in cash and cash equivalents during the six months ended June 30, 2015. Granite’s portion of consolidated joint venture cash and cash equivalents was $29.9 million, $38.6 million and $17.8 million as of June 30, 2015, December 31, 2014 and June 30, 2014, respectively. Granite’s portion of unconsolidated joint venture cash and cash equivalents was $104.5 million, $80.2 million and $76.4 million as of June 30, 2015, December 31, 2014 and June 30, 2014, respectively. Cash and cash equivalents held by our joint ventures are primarily used to fulfill the working capital needs of each joint venture’s project, and generally cannot be distributed to any of the venture partners without the consent of the majority of the venture members.

Our principal uses of liquidity are paying the costs and expenses associated with our operations, servicing outstanding indebtedness, making capital expenditures and paying dividends on our capital stock. We may also from time to time prepay or repurchase outstanding indebtedness and acquire assets or businesses that are complementary to our operations, such as with the acquisition of Kenny in December 2012.

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In March 2014, we entered into an interest rate swap with a notional amount of $100.0 million which matures in June 2018 to convert the interest rate of our 2019 Notes (defined in Senior Notes Payable section below) from a fixed rate of 6.11% to a floating rate of 4.15% plus six-month LIBOR. LIBOR floating rate is variable and subject to market changes over the life of the swap. The interest rate swap is reported at fair value using Level 2 inputs, and gains or losses, including net periodic settlement amounts, are recorded in other (income) expense, net in our condensed consolidated statements of operations. During the three and six months ended June 30, 2015, we recorded a net loss of less than $0.1 million and a net gain of $1.3 million, respectively, and during the three and six months ended June 30, 2014, we recorded a net gain of $1.2 million and $0.9 million, respectively. The fair value of the interest rate swap is recorded in other current assets on the condensed consolidated balance sheets and was $0.9 million, $0.3 million and $0.6 million as of June 30, 2015, December 31, 2014 and June 30, 2014, respectively.

In March 2014, we entered into two diesel commodity swaps covering the periods from May 2014 to October 2014 and from May 2015 to October 2015 which represented roughly 25% of our forecasted purchases for diesel during these periods.  In May 2014, we entered into two natural gas commodity swaps covering the periods from June 2014 to October 2014 and from May 2015 to October 2015 representing roughly 25% of our forecasted purchases of natural gas during these periods. The commodity swaps are reported at fair value using Level 2 inputs, and gains or losses, including net periodic settlement amounts, are recorded in other (income) expense, net in our condensed consolidated statements of operations, and was immaterial for all periods presented. The fair values of the commodity swaps are recorded in accrued expenses and other current liabilities on the condensed consolidated balance sheets and were $1.6 million, $1.7 million and $0.1 million as of June 30, 2015, December 31, 2014 and June 30, 2014, respectively.

Cash Flows

	Six Months Ended June 30,
(in thousands)	2015			2014
Net cash (used in) provided by:
Operating activities	$	(56,663	)	$	(72,388	)
Investing activities	3,548			(9,197		)
Financing activities	(14,699		)	(1,078		)

Cash flows from operating activities result primarily from our earnings or losses, and are also impacted by changes in operating assets and liabilities. As a large construction and heavy civil contractor and construction materials producer, our operating cash flows are subject to seasonal cycles, as well as the cycles associated with winning, performing and closing projects. Additionally, operating cash flows are impacted by the timing related to funding construction joint ventures and the resolution of uncertainties inherent in the complex nature of the work that we perform, including claims settlements.

Cash used in operating activities of $56.7 million for the six months ended June 30, 2015 represents a $15.7 million decrease from the cash used in operating activities during the same period in 2014. The favorable change was mainly attributable to a $31.2 million increase in cash from working capital and a $6.0 million increase in net income after adjusting for non-cash items, offset by a $21.5 million decrease in net cash from unconsolidated joint ventures.

Cash provided by investing activities of $3.5 million for the six months ended June 30, 2015 represents a $12.7 million change from the cash used in investing activities of $9.2 million during the same period in 2014. The change was primarily due to an increase in net proceeds from marketable securities driven by the Company’s cash flow requirements and/or the maturities of investments.

Cash used in financing activities of $14.7 million for the six months ended June 30, 2015 represents a $13.6 million increase from the cash used in financing activities during the same period in 2014. The change was primarily driven by a $14.0 million decrease in net contributions from non-controlling partners related to consolidated construction joint ventures partially offset by a $1.0 million decrease in the purchases of common stock.

Capital Expenditures

During the six months ended June 30, 2015, we had capital expenditures of $16.2 million compared to $20.1 million during the same period in 2014. Major capital expenditures are typically for aggregate and asphalt production facilities, aggregate reserves, construction equipment, buildings and leasehold improvements and investments in our information technology systems. The timing and amount of such expenditures can vary based on the progress of planned capital projects, the type and size of construction projects, changes in business outlook and other factors. We currently anticipate investing between $40.0 million and $60.0 million in capital expenditures during 2015. During the year ended December 31, 2014, we had capital expenditures of $43.4 million.

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Credit Agreement

We have a $215.0 million committed revolving credit facility, with a sublimit for letters of credit of $100.0 million (the “Credit Agreement”), which expires on October 11, 2016, of which $125.8 million was available at June 30, 2015. At June 30, 2015, December 31, 2014 and June 30, 2014, there was a revolving loan of $70.0 million outstanding under the Credit Agreement related to financing the Kenny acquisition, which is included in long-term debt on the condensed consolidated balance sheets. In addition, as of June 30, 2015, there were standby letters of credit totaling $19.3 million. The letters of credit will expire between August 2015 and December 2018.

Borrowings under the Credit Agreement bear interest at LIBOR or a base rate (at our option), plus an applicable margin based on certain financial ratios calculated quarterly. LIBOR varies based on the applicable loan term, market conditions and other external factors. The applicable margin was 2.50% for loans bearing interest based on LIBOR and 1.50% for loans bearing interest at the base rate at June 30, 2015. Accordingly, the effective interest rate was between 2.78% and 4.75% at June 30, 2015. Borrowings at the base rate have no designated term and may be repaid without penalty any time prior to the Credit Agreement’s maturity date. Borrowings at a LIBOR rate have a term no less than one month and no greater than six months. Typically, at the end of such term, such borrowings may be paid off or rolled over at our discretion into either a borrowing at the base rate or a borrowing at a LIBOR rate with similar terms, not to exceed the maturity date of the Credit Agreement. On a periodic basis, we assess the timing of payment depending on facts and circumstances that exist at the time of our assessment. Our obligations under the Credit Agreement are guaranteed by certain of our subsidiaries and are collateralized on an equivalent basis with the obligations under the 2019 Notes (defined below) by first priority liens (subject only to other liens permitted under the Credit Agreement) on substantially all of the assets of the Company and our subsidiaries that are guarantors or borrowers under the Credit Agreement.

The Credit Agreement provides for the release of the liens securing the obligations, at our option and expense, so long as certain conditions as defined by the terms in the Credit Agreement are satisfied (“Collateral Release Period”). However, if subsequent to exercising the option, our Consolidated Fixed Charge Coverage Ratio is less than 1.25 or our Consolidated Leverage Ratio is greater than 2.50, then we will be required to promptly re-pledge substantially all of the assets of the Company and our subsidiaries that are guarantors or borrowers under the Credit Agreement. As of June 30, 2015, the conditions for the exercise of the unsecured option were satisfied.

Senior Notes Payable

As of June 30, 2015, senior notes payable in the amount of $200.0 million were due to a group of institutional holders in five equal annual installments beginning in 2015 and bear interest at 6.11% per annum (“2019 Notes”). In March 2014, we entered into an interest rate swap to convert the interest rate from a fixed rate of 6.11% to a floating rate of 4.15% plus six-month LIBOR (see Liquidity and Capital Resources section above for further discussion). The first installment of the 2019 Notes is included in long-term debt on the condensed consolidated balance sheets as of June 30, 2015 and December 31, 2014 as we have the ability and intent to pay this installment using borrowings under the Credit Agreement (defined in Credit Agreement section above) or by obtaining another source of financing.

Our obligations under the note purchase agreement governing the 2019 Notes (the “2019 NPA”) are guaranteed by certain of our subsidiaries and are collateralized on an equivalent basis with the Credit Agreement by liens on substantially all of the assets of the Company and subsidiaries that are guarantors or borrowers under the Credit Agreement. The 2019 NPA provides for the release of liens and re-pledge of collateral on substantially the same terms and conditions as those set forth in the Credit Agreement.

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Surety Bonds and Real Estate Mortgages

We are generally required to provide various types of surety bonds that provide an additional measure of security under certain public and private sector contracts. At June 30, 2015, approximately $2.6 billion of our contract backlog was bonded. Performance bonds do not have stated expiration dates; rather, we are generally released from the bonds after the owner accepts the work performed under contract. The ability to maintain bonding capacity to support our current and future level of contracting requires that we maintain cash and working capital balances satisfactory to our sureties.

Our real estate held for development and sale is subject to mortgage indebtedness. This indebtedness is non-recourse to Granite but is recourse to the real estate entity. The terms of this indebtedness are typically renegotiated to reflect the evolving nature of the real estate project as it progresses through acquisition, entitlement and development. Modification of these terms may include changes in loan-to-value ratios requiring the real estate entity to repay portions of the debt. As of June 30, 2015, the principal amount of debt of our consolidated real estate entity secured by a mortgage was $6.1 million which was included in current liabilities on the condensed consolidated balance sheets.

Covenants and Events of Default

Our debt and credit agreements require us to comply with various affirmative, restrictive and financial covenants, including the financial covenants described below. Our failure to comply with any of these covenants, or to pay principal, interest or other amounts when due thereunder, would constitute an event of default under the applicable agreements. Under certain circumstances, the occurrence of an event of default under one of our debt or credit agreements (or the acceleration of the maturity of the indebtedness under one of our agreements) may constitute an event of default under one or more of our other debt or credit agreements. Default under our debt and credit agreements could result in (1) us no longer being entitled to borrow under the agreements; (2) termination of the agreements; (3) the requirement that any letters of credit under the agreements be cash collateralized; (4) acceleration of the maturity of outstanding indebtedness under the agreements and/or (5) foreclosure on any collateral securing the obligations under the agreements.

The most significant financial covenants under the terms of our Credit Agreement and 2019 NPA require the maintenance of a minimum Consolidated Tangible Net Worth, a minimum Consolidated Interest Coverage Ratio and a maximum Consolidated Leverage Ratio. The calculations and terms of such financial covenants are defined in the amendments to the Credit Agreement and 2019 NPA, which were filed as Exhibits 10.31 and 10.32, respectively, to our Form 10-K filed March 3, 2014.

As of June 30, 2015 and pursuant to the definitions in the agreements, our Consolidated Tangible Net Worth was $758.4 million, which exceeded the minimum of $630.0 million, our Consolidated Leverage Ratio was 2.69, which did not exceed the maximum of 3.00, and our Consolidated Interest Coverage Ratio was 7.57, which exceeded the minimum of 4.00.

As of June 30, 2015, we were in compliance with all covenants contained in the Credit Agreement and 2019 NPA, as amended, and the debt agreements related to our consolidated real estate entity. We are not aware of any non-compliance by any of our unconsolidated real estate entities with the covenants contained in their debt agreements.

Share Purchase Program

In 2007, our Board of Directors authorized us to purchase up to $200.0 million of our common stock at management’s discretion. As of June 30, 2015, $64.1 million remained available under this authorization. We did not purchase shares under the share purchase program in any of the periods presented. The specific timing and amount of any future purchases will vary based on market conditions, securities law limitations and other factors. Purchases under the share purchase program may be commenced, suspended or discontinued at any time and from time to time without prior notice.

Website Access

Our website address is www.graniteconstruction.com. On our website we make available, free of charge, our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, current reports on Form 8-K, and all amendments to those reports as soon as reasonably practicable after such material is electronically filed with or furnished to the Securities and Exchange Commission (“SEC”). The information on our website is not incorporated into, and is not part of, this report. These reports, and any amendments to them, are also available at the website of the SEC, www.sec.gov.

33

Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

There has been no significant change in our exposure to market risks since December 31, 2014.

Item 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

Our management carried out, as of June 30, 2015, with the participation of our Chief Executive Officer and our Chief Financial Officer, an evaluation of the effectiveness of our 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”)). Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that, as of June 30, 2015, our disclosure controls and procedures were effective to provide reasonable assurance that material information required to be disclosed by us in reports we file under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC rules and forms and that information required to be disclosed by us in the reports we file or submit under the Exchange Act is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure. 

During the quarter ended June 30, 2015, there were no changes to our internal control over financial reporting that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1. LEGAL PROCEEDINGS

The description of the matters set forth in Part I, Item 1 of this Report under Note 14 of “Notes to the Condensed Consolidated Financial Statements” is incorporated herein by reference.

Item 1A. RISK FACTORS

There have been no material changes in the risk factors previously disclosed in “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended December 31, 2014.

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

During the three months ended June 30, 2015, we did not sell any of our equity securities that were not registered under the Securities Act of 1933, as amended. The following table sets forth information regarding the repurchase of shares of our common stock during the three months ended June 30, 2015:

Period	Total number of shares purchased1	Average price paid per share		Total number of shares purchased as part of publicly announced plans or programs	Approximate dollar value of shares that may yet be purchased under the plans or programs2
April 1, 2015 through April 30, 2015	2,267	$	35.09	—	$	64,065,401
May 1, 2015 through May 31, 2015	521	$	37.00	—	$	64,065,401
June 1, 2015 through June 30, 2015	1,165	$	36.64	—	$	64,065,401
	3,953	$	35.80	—

¹The number of shares purchased is in connection with employee tax withholding for units vested under our Amended and Restated 1999 Equity Incentive Plan.

²In October 2007, our Board of Directors authorized us to purchase, at management’s discretion, up to $200.0 million of our common stock. Under this purchase program, the Company may purchase shares from time to time on the open market or in private transactions. The specific timing and amount of purchases will vary based on market conditions, securities law limitations and other factors. Purchases under the share purchase program may be commenced, suspended or discontinued at any time and from time to time without prior notice.

Item 3. DEFAULTS UPON SENIOR SECURITIES

None.

Item 4. MINE SAFETY DISCLOSURES

The information concerning mine safety violations or other regulatory matters required by Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K (17CFR 229.104) is included in Exhibit 95 to this Quarterly Report on Form 10-Q.

Item 5. OTHER INFORMATION

Not Applicable.

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Item 6. EXHIBITS

31.1	†	Certification of Principal Executive Officer
31.2	†	Certification of Principal Financial Officer
32	††	Certification of Chief Executive Officer and Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
95	†	Mine Safety Disclosure
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
	†	Filed herewith
	††	Furnished herewith

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.

			GRANITE CONSTRUCTION INCORPORATED
Date:	July 30, 2015	By:	/s/ Laurel J. Krzeminski
			Laurel J. Krzeminski
			Senior Vice President and Chief Financial Officer
			(Principal Financial and Accounting Officer)

36

EX-31.1

Exhibit 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

I, James H. Roberts, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Granite Construction Incorporated;

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

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

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

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

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

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

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

5. The registrant’s other certifying officer(s) 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.

Dated:	July 30, 2015	/s/ James H. Roberts
		James H. Roberts
		President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

I, Laurel J. Krzeminski, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Granite Construction Incorporated;

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

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

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

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

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

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

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

5. The registrant’s other certifying officer(s) 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.

Dated:	July 30, 2015	/s/ Laurel J. Krzeminski
		Laurel J. Krzeminski
		Senior Vice President and Chief Financial Officer
		(Principal Financial and Accounting Officer)

EX-32

Exhibit 32

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND

CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers of Granite Construction Incorporated (the “Company”) does hereby certify that, to such officers’ knowledge:

(i) The report on Form 10-Q for the quarter ended June 30, 2015 of the Company fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and (ii) the information contained in the report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of the Company as of and for the periods expressed in the report on Form 10-Q.

Dated:	July 30, 2015	/s/ James H. Roberts
		James H. Roberts
		President and Chief Executive Officer
Dated:	July 30, 2015	/s/ Laurel J. Krzeminski
		Laurel J. Krzeminski
		Senior Vice President and Chief Financial Officer
		(Principal Financial and Accounting Officer)

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signatures that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Granite Construction Incorporated and will be retained by Granite Construction Incorporated and furnished to the Securities and Exchange Commission or its staff upon request.

EX-95

Exhibit 95

MINE SAFETY DISCLOSURE

We operate surface mines in the western United States to produce construction aggregates. The operation of our mines is subject to regulation by the federal Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”). MSHA conducted 28 inspections at 16 of our mines during the three months ended June 30, 2015. There were five reportable citations or orders following those inspections. MSHA conducted 13 inspections at 11 of our mines during the three months ended June 30, 2014. There were four reportable citations or orders following those inspections.

The following table presents the total number of violations of mandatory health or safety standards that could significantly and substantially contribute to the cause and effect of a coal or other mine safety or health hazard under Section 104 of the Mine Act for which the operator received a citation from the MSHA during the three months ended June 30, 2015 and 2014:

	Three Months Ended June 30,
Name of Mine	2015	2014
Arvin Pit	—	1
Capay Plant Facility	1	1
Felton Quarry	1	—
Handley Ranch Quarry	1	—
Indio Plant	—	1
Swan	1	—
Whatcom	1	1
Total	5	4

With respect to the information in the above table, it should be noted that: (i) the number of citations and orders will vary depending on the size of the mine, (ii) the number of citations issued will vary from inspector to inspector and mine to mine, and (iii) citations and orders can be contested and appealed, and in that process may be reduced in severity and amount or dismissed.

During the three months ended June 30, 2015 and 2014, with respect to our mines:

• MSHA did not issue any orders requiring persons to be withdrawn from the areas affected by the alleged violations of mandatory health or safety standards under Section 104(b) of the Mine Act.

• MSHA did not issue any citations or orders for unwarrantable failure of the mine operator to comply with mandatory health or safety standards under section 104(d) of the Mine Act.

• MSHA did not identify any flagrant violations under Section 110(b)(2) of the Mine Act.

• MSHA did not issue any imminent danger orders requiring immediate withdrawal from the affected areas under Section 107(a) of the Mine Act.

• We did not experience any mining-related fatalities.

• We did not receive written notice of a pattern of violations of mandatory health or safety standards from MSHA under Section 104(e) of the Mine Act or of the potential to have a pattern of violations of mandatory health or safety standards from MSHA.

• There were no legal actions pending before the Federal Mine Safety and Health Review Commission, and there were no such legal actions instituted or resolved.

• Proposed assessments from the MSHA during the three months ended June 30, 2015 and 2014 were less than three thousand dollars, respectively.

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Fair Value Measurement - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Liabilities, Fair Value Disclosure [Abstract]
Line of Credit Facility, Amount Outstanding		$ 70,000	$ 70,000	$ 70,000	$ 70,000	$ 70,000
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity Securities, Fair Value Disclosure current and long-term		88,075	111,999	88,075	111,999	101,808
Fair Value, Inputs, Level 3 [Member]
Liabilities, Fair Value Disclosure [Abstract]
Senior Notes Payable, Fair Value Disclosure	[1]	212,648	222,920	212,648	222,920	220,226
Line of Credit Facility, Amount Outstanding	[1]	69,387	69,781	69,387	69,781	70,153
Fair Value, Measurements, Recurring [Member]
Assets, Fair Value Disclosure [Abstract]
Assets, Fair Value Disclosure		23,975	31,583	23,975	31,583	60,618
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Assets, Fair Value Disclosure		23,975	31,583	23,975	31,583	60,618
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Assets, Fair Value Disclosure		0	0	0	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Assets, Fair Value Disclosure		0	0	0	0	0
Money Market Funds [Member] | Fair Value, Measurements, Recurring [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents		23,975	31,583	23,975	31,583	60,618
Money Market Funds [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents		23,975	60,618	23,975	60,618	31,583
Money Market Funds [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents		0	0	0	0	0
Money Market Funds [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents		0	0	0	0	$ 0
Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, Gain (Loss) on Derivative, Net		$ 100	$ (1,200)	$ (1,300)	$ (900)

[1] 1The fair values of the senior notes payable and Credit Agreement (defined in Note 11) loan are based on borrowing rates available to us for long-term loans with similar terms, average maturities, and credit risk.

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Business Segment Information (Details) - Range [Domain] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Construction	$ 305,605	$ 269,220	$ 494,125	$ 426,261
Total revenue	569,242	585,870	989,491	965,717
Construction Materials	80,744	72,322	122,168	107,793
Large Project Construction	182,893	244,328	373,198	431,663
Gross profit	65,768	82,415	105,877	103,822
Assets	1,619,692	1,653,386	1,619,692	1,653,386	$ 1,620,494
Reconciliation from Segment Totals to Consolidated [Abstract]
Gross profit	65,768	82,415	105,877	103,822
Selling, general and administrative expenses	49,094	51,098	101,297	100,346
Gain on sales of property and equipment	475	2,993	1,286	3,886
Other income (expense), net	2,635	1,819	4,468	4,197
Loss before benefit from income taxes	14,514	32,491	1,398	3,165
Construction [Member]
Segment Reporting Information [Line Items]
Construction	305,605	269,220	494,125	426,261
Large Project Construction [Member]
Segment Reporting Information [Line Items]
Large Project Construction	182,893	244,328	373,198	431,663
Construction Materials [Member]
Segment Reporting Information [Line Items]
Construction Materials	80,744	72,322	122,168	107,793
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue from reportable segments	601,947	611,348	1,034,472	997,833
Elimination of intersegment revenue	601,947	611,348	1,034,472	997,833
Gross profit	65,768	82,415	105,877	103,822
Depreciation, Depletion and Amortization, Nonproduction	12,800	13,761	25,568	26,328
Assets	716,470	731,069	716,470	731,069
Reconciliation from Segment Totals to Consolidated [Abstract]
Gross profit	65,768	82,415	105,877	103,822
Operating Segments [Member] | Construction [Member]
Segment Reporting Information [Line Items]
Revenue from reportable segments	305,605	269,220	494,125	426,261
Elimination of intersegment revenue	305,605	269,220	494,125	426,261
Gross profit	40,062	24,827	61,737	33,972
Depreciation, Depletion and Amortization, Nonproduction	4,866	4,229	9,558	8,244
Assets	143,139	150,113	143,139	150,113
Reconciliation from Segment Totals to Consolidated [Abstract]
Gross profit	40,062	24,827	61,737	33,972
Operating Segments [Member] | Large Project Construction [Member]
Segment Reporting Information [Line Items]
Revenue from reportable segments	182,893	244,328	373,198	431,663
Elimination of intersegment revenue	182,893	244,328	373,198	431,663
Gross profit	14,773	50,792	32,544	66,583
Depreciation, Depletion and Amortization, Nonproduction	2,359	4,020	5,003	7,224
Assets	265,124	253,646	265,124	253,646
Reconciliation from Segment Totals to Consolidated [Abstract]
Gross profit	14,773	50,792	32,544	66,583
Operating Segments [Member] | Construction Materials [Member]
Segment Reporting Information [Line Items]
Revenue from reportable segments	113,449	97,800	167,149	139,909
Elimination of intersegment revenue	113,449	97,800	167,149	139,909
Gross profit	10,933	6,796	11,596	3,267
Depreciation, Depletion and Amortization, Nonproduction	5,575	5,512	11,007	10,860
Assets	308,207	327,310	308,207	327,310
Reconciliation from Segment Totals to Consolidated [Abstract]
Gross profit	10,933	6,796	11,596	3,267
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from reportable segments	(32,705)	(25,478)	(44,981)	(32,116)
Elimination of intersegment revenue	(32,705)	(25,478)	(44,981)	(32,116)
Intersegment Eliminations [Member] | Construction [Member]
Segment Reporting Information [Line Items]
Revenue from reportable segments	0	0	0	0
Elimination of intersegment revenue	0	0	0	0
Intersegment Eliminations [Member] | Large Project Construction [Member]
Segment Reporting Information [Line Items]
Revenue from reportable segments	0	0	0	0
Elimination of intersegment revenue	0	0	0	0
Intersegment Eliminations [Member] | Construction Materials [Member]
Segment Reporting Information [Line Items]
Revenue from reportable segments	(32,705)	(25,478)	(44,981)	(32,116)
Elimination of intersegment revenue	$ (32,705)	$ (25,478)	$ (44,981)	$ (32,116)

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Intangible Assets - Indefinite Lived Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Indefinite-lived Intangible Assets by Major Class [Line Items]
Goodwill	$ 53,799	$ 53,799	$ 53,799
Construction [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Goodwill	29,260	29,260	29,260
Large Project Construction [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Goodwill	22,593	22,593	22,593
Construction Materials [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Goodwill	1,946	1,946	1,946
Other Noncurrent Assets [Member] | Use Rights [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Use rights.	$ 400	$ 400	$ 400

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Investments in Affiliates - Investments in Affiliates (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Investments in and Advances to Affiliates [Line Items]
Investments in affiliates	$ 32,655	$ 33,936	$ 32,655	$ 33,936	$ 32,361
Equity Method Investments		16,700		16,700
Joint Venture Unconsolidated [Member]
Investments in and Advances to Affiliates [Line Items]
Investments in affiliates	32,655	33,936	32,655	33,936	32,361
Equity Method Investment, Summarized Financial Information, Assets	175,503	171,991	175,503	171,991	170,174
Equity Method Investments Summarized Financial Information Net Assets	103,539	98,342	103,539	98,342	97,639
Equity Method Investments	17,500		17,500		16,500
Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Investments in and Advances to Affiliates [Line Items]
Unconsolidated Construction Joint Venture Revenue	$ 466,144	392,165	$ 909,551	741,331
Number of projects	11		11
Unconsolidated Construction Joint Venture Cost of Revenue	$ 436,230	345,704	$ 846,301	643,166
Joint Venture Unconsolidated [Member] | Other Affiliates [Member]
Investments in and Advances to Affiliates [Line Items]
Investments in affiliates	9,553	10,854	9,553	10,854	9,738
Equity Method Investments	32,655	33,936	32,655	33,936	32,361
Joint Venture Unconsolidated [Member] | Equity Method investments in Real Estate Affiliates [Member]
Investments in and Advances to Affiliates [Line Items]
Investments in affiliates	23,102	23,082	23,102	23,082	$ 22,623
Joint Venture Unconsolidated [Member] | Minimum [Member] | Variable Interest Entity, Not Primary Beneficiary [Member]
Investments in and Advances to Affiliates [Line Items]
Investments in affiliates	20,800		20,800
Joint Venture Unconsolidated [Member] | Minimum [Member] | Real Estate Entities [Member] | Variable Interest Entity, Not Primary Beneficiary [Member]
Investments in and Advances to Affiliates [Line Items]
Real Estate Development Projects Range of Total Assets	1,800		1,800
Joint Venture Unconsolidated [Member] | Maximum [Member] | Real Estate Entities [Member] | Variable Interest Entity, Not Primary Beneficiary [Member]
Investments in and Advances to Affiliates [Line Items]
Real Estate Development Projects Range of Total Assets	63,800		63,800
Other Partners Interest in Partnerships [Member] | Unconsolidated Construction Joint Venture [Member]
Investments in and Advances to Affiliates [Line Items]
Unconsolidated Construction Joint Venture Revenue	327,980	268,526	636,100	528,383
Unconsolidated Construction Joint Venture Cost of Revenue	305,822	246,065	591,869	456,972
Reporting Entitys Interest in Joint Venture [Member] | Unconsolidated Construction Joint Venture [Member]
Investments in and Advances to Affiliates [Line Items]
Unconsolidated Construction Joint Venture Revenue	138,164	123,639	273,451	212,948
Unconsolidated Construction Joint Venture Cost of Revenue	130,408	99,639	254,432	186,194
Unconsolidated Construction Joint Venture Gross Profit Loss	$ 7,756	$ 24,000	$ 19,019	$ 26,754

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Equity (Tables)

6 Months Ended

Jun. 30, 2015

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity

The following tables summarize our equity activity for the periods presented (in thousands):

	Granite Construction Incorporated			Non-controlling Interests			Total Equity
Balance at December 31, 2014	$	794,385		$	22,721		$	817,106
Purchase of common stock1	(3,332		)	—			(3,332		)
Other transactions with shareholders and employees2	5,092			—			5,092
Transactions with non-controlling interests, net	—			(1,282		)	(1,282		)
Net income (loss)	1,053			(124		)	929
Dividends on common stock	(10,233		)	—			(10,233		)
Balance at June 30, 2015	$	786,965		$	21,315		$	808,280

Balance at December 31, 2013	$	781,940		$	4,404	$	786,344
Purchase of common stock3	(4,369		)	—		(4,369		)
Other transactions with shareholders and employees2	7,989			—		7,989
Transactions with non-controlling interests, net	—			12,804		12,804
Net (loss) income	(6,913		)	7,858		945
Dividends on common stock	(10,170		)	—		(10,170		)
Balance at June 30, 2014	$	768,477		$	25,066	$	793,543

¹Represents 102,000 shares purchased in connection with employee tax withholding for units vested under our Amended and Restated 1999 Equity Incentive Plan.

²Amounts are comprised primarily of amortized restricted stock units.

³Represents 113,000 shares purchased in connection with employee tax withholding for units vested under our Amended and Restated 1999 Equity Incentive Plan.

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Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2015

Marketable Securities [Abstract]

Schedule of Marketable Securities

All marketable securities were classified as held-to-maturity for the dates presented and the carrying amounts of held-to-maturity securities were as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
U.S. Government and agency obligations	$	7,573	$	10,511	$	7,906
Commercial paper	9,987		14,993		19,992
Total short-term marketable securities	17,560		25,504		27,898
U.S. Government and agency obligations	70,508		76,563		84,234
Total long-term marketable securities	70,508		76,563		84,234
Total marketable securities	$	88,068	$	102,067	$	112,132

Held-to-maturity Securities

Scheduled maturities of held-to-maturity investments were as follows:

(in thousands)	June 30, 2015
Due within one year	$	17,560
Due in one to five years	70,508
Total	$	88,068

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Covenants and Events of Default (Details) - Jun. 30, 2015 - USD ($) $ in Millions	Total
Debt Instrument [Line Items]
Covenant Compliance	We were in compliance with the covenants contained in our senior note agreements and Credit Agreement.
Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 215.0
Letter of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 100.0

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Receivables, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable, Gross, Current	$ 362,700	$ 311,225	$ 364,157
Allowance for Accounts, Notes, Loans and Financing Receivable, Current	364	291	543
Receivables, net	362,336	310,934	363,614
Construction Contracts [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable, Gross, Current	307,816	275,854	307,548
Completed and in Progress [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable, Gross, Current	229,861	191,094	237,870
Retentions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable, Gross, Current	77,955	84,760	69,678
Escrow [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable, Gross, Current	22,381	28,692	25,093
Non Escrow [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Recorded Investment, Past Due	6,300	8,600
Accounts, Notes, Loans and Financing Receivable, Gross, Current	55,574	56,068	44,585
Construction Material Sales [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable, Gross, Current	49,064	28,549	48,932
Other Business Products and Services [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable, Gross, Current	$ 5,820	$ 6,822	$ 7,677

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Marketable Securities - Carrying Amounts of Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Schedule of Marketable Securities [Line Items]
Short-term marketable securities	$ 17,560	$ 25,504	$ 27,898
Long-term marketable securities	70,508	76,563	84,234
Held-to-Maturity [Member]
Schedule of Marketable Securities [Line Items]
Short-term marketable securities	17,560	25,504	27,898
Long-term marketable securities	70,508	76,563	84,234
Total marketable securities	88,068	102,067	112,132
U.S. Government and agency obligations [Member] | Held-to-Maturity [Member]
Schedule of Marketable Securities [Line Items]
Short-term marketable securities	7,573	10,511	7,906
Long-term marketable securities	70,508	76,563	84,234
Commercial paper [Member] | Held-to-Maturity [Member]
Schedule of Marketable Securities [Line Items]
Short-term marketable securities	$ 9,987	$ 14,993	$ 19,992

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Equity (Details) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015		Jun. 30, 2014
Stockholders' Equity [Roll Forward]
Stockholders' equity, beginning balance				$ 817,106		$ 786,344
Purchase of common stock				(3,332)	[1]	(4,369)	[2]
Other transactions with shareholders	[3]			5,092		7,989
Transactions with noncontrolling interests, net				(1,282)		12,804
Net Loss Attributable to Parent		$ 9,613	$ 13,641	1,053		(6,913)
Comprehensive income (loss):
Net income		9,539	22,207	929		945
Dividends on common stock				(10,233)		(10,170)
Stockholders' equity, ending balance		808,280	793,543	$ 808,280		$ 793,543
Shares Purchased for Tax Withholding for Share Based Compensation				102,000		113,000
Granite Construction [Member]
Stockholders' Equity [Roll Forward]
Stockholders' equity, beginning balance				$ 794,385		$ 781,940
Purchase of common stock				(3,332)	[1]	(4,369)	[2]
Other transactions with shareholders	[3]			5,092		7,989
Transactions with noncontrolling interests, net				0		0
Net Loss Attributable to Parent				1,053
Comprehensive income (loss):
Net income						(6,913)
Dividends on common stock				(10,233)		(10,170)
Stockholders' equity, ending balance		786,965	768,477	786,965		768,477
Noncontrolling Interest [Member]
Stockholders' Equity [Roll Forward]
Stockholders' equity, beginning balance				22,721		4,404
Purchase of common stock				0	[1]	0	[2]
Other transactions with shareholders	[3]			0		0
Transactions with noncontrolling interests, net				(1,282)		12,804
Comprehensive income (loss):
Net income				(124)		7,858
Dividends on common stock				0		0
Stockholders' equity, ending balance		$ 21,315	$ 25,066	$ 21,315		$ 25,066

[1] Represents 102,000 shares purchased in connection with employee tax withholding for units vested under our Amended and Restated 1999 Equity Incentive Plan.

[2] Represents 113,000 shares purchased in connection with employee tax withholding for units vested under our Amended and Restated 1999 Equity Incentive Plan.

[3] Amounts are comprised primarily of amortized restricted stock units.

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Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Property, Plant and Equipment [Line Items]
Property and equipment	$ 1,204,823	$ 1,203,104	$ 1,214,718
Accumulated depreciation and depletion	812,834	793,451	788,018
Property and equipment, net	391,989	409,653	426,700
Equipment and vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	768,831	767,313	769,271
Quarry property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	172,009	172,081	170,279
Land and land improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	110,452	110,235	120,982
Building and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	82,628	82,655	83,994
Office furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 70,903	$ 70,820	$ 70,192

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Revisions in Estimates

6 Months Ended

Jun. 30, 2015

Change in Accounting Estimate [Abstract]

Revisions in Estimate

Revisions in Estimates

Our profit recognition related to construction contracts is based on estimates of costs to complete each project. These estimates can vary significantly in the normal course of business as projects progress, circumstances develop and evolve, and uncertainties are resolved. We recognize revenue associated with unapproved change orders and, effective in the first quarter of 2015, affirmative claims against customers to the extent the related costs have been incurred, the amount can be reliably estimated and recovery is probable. Prior to 2015, we recognized revenue on affirmative claims against customers when we had a signed agreement. See Note 1 for further discussion.

We recognize revisions to estimated total costs as soon as the obligation to perform is determined. When we experience significant changes in our estimates of costs to complete, we undertake a process that includes reviewing the nature of the changes to ensure that there are no material amounts that should have been recorded in a prior period rather than as a revision in estimates for the current period. In our review of these changes for the three and six months ended June 30, 2015 and 2014, we did not identify any amounts that should have been recorded in a prior period. We use the cumulative catch-up method applicable to construction contract accounting to account for revisions in estimates. Under this method, revisions in estimates are accounted for in their entirety in the period of change. There can be no assurance that we will not experience future changes in circumstances or otherwise be required to revise our profitability estimates.

Revenue in an amount equal to cost incurred is recognized if there is not sufficient information to determine the estimated profit on the project with a reasonable level of certainty. The gross profit impact from projects that reached initial profit recognition is not considered to be a change in estimate for purposes of the tables below and is therefore excluded. During the three and six months ended June 30, 2015, the gross profit impact from projects that reached initial profit recognition was $7.2 million and $13.4 million, respectively. During the three and six months ended June 30, 2014, the gross profit impact from projects that reached initial profit recognition was $24.5 million and $28.6 million, respectively.

Construction

The net changes in project profitability from revisions in estimates, both increases and decreases, that individually had an impact of $1.0 million or more on gross profit were net decreases of $1.3 million and net increases of $4.3 million for the three and six months ended June 30, 2015, respectively. The net changes for the three and six months ended June 30, 2014 were net decreases of $1.4 million and $8.3 million, respectively. The projects are summarized as follows:

Increases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with upward estimate changes		1		—		4		—
Range of increase in gross profit from each project, net	$	1.3	$	—	$	1.0 - 2.3	$	—
Increase on project profitability	$	1.3	$	—	$	6.9	$	—

The increases during the three and six months ended June 30, 2015 were due to owner-directed scope changes and estimated cost recovery from claims.

Decreases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with downward estimate changes		2		1		2		5
Range of reduction in gross profit from each project, net	$	1.1 - 1.5	$	1.4	$	1.2 - 1.4	$	1.1 - 2.2
Decrease on project profitability	$	2.6	$	1.4	$	2.6	$	8.3

The decreases during the three and six months ended June 30, 2015 and 2014 were due to additional costs and lower productivity than originally anticipated.

Large Project Construction

The net changes in project profitability from revisions in estimates, both increases and decreases, that individually had an impact of $1.0 million or more on gross profit were net decreases of $1.1 million and $2.5 million for the three and six months ended June 30, 2015, respectively. The net changes for the three and six months ended June 30, 2014 were net increases of $25.7 million and $34.5 million, respectively. Amounts attributable to non-controlling interests were $0.5 million and $1.0 million of the net decreases for the three and six months ended June 30, 2015, respectively, and were $8.2 million and $7.5 million of the net increases for the three and six months ended June 30, 2014, respectively. The projects are summarized as follows:

Increases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with upward estimate changes		2		6		3		9
Range of increase in gross profit from each project, net	$	2.3 - 2.3	$	1.1 - 19.7	$	2.1 - 2.9	$	1.1 - 16.3
Increase in project profitability	$	4.6	$	28.0	$	7.3	$	41.3

The increases during the three and six months ended June 30, 2015 were due to owner-directed scope changes as well as estimated cost recovery from claims during the six months. The increases during the three and six months ended June 30, 2014 were due to higher productivity than originally anticipated, owner-directed scope changes and settlement of outstanding issues with contract owners.

Decreases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with downward estimate changes		3		1		4		1
Range of reduction in gross profit from each project, net	$	1.2 - 2.4	$	2.3	$	1.4 - 3.4	$	6.8
Decrease in project profitability	$	5.7	$	2.3	$	9.8	$	6.8

The decreases during the three and six months ended June 30, 2015 and 2014 were due to additional costs and lower productivity than originally anticipated.

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Construction and Line Item Joint Ventures - Consolidated Construction Joint Ventures (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Construction Joint Venture [Line Items]
Cash and cash equivalents		$ 188,147	$ 146,458	$ 188,147	$ 146,458	$ 255,961	$ 229,121
Other current assets		22,395	30,727	22,395	30,727	23,033
Total current assets		995,409	977,920	995,409	977,920	970,178
Property and equipment, net		391,989	426,700	391,989	426,700	409,653
Other noncurrent assets		75,332	76,797	75,332	76,797	77,940
Total assets		1,619,692	1,653,386	1,619,692	1,653,386	1,620,494
Accounts payable		170,474	210,777	170,474	210,777	151,935
Billings in excess of costs and estimated earnings		106,086	125,957	106,086	125,957	108,992
Accrued expenses and other current liabilities		195,131	187,348	195,131	187,348	200,652
Total current liabilities		477,841	525,329	477,841	525,329	462,826
Construction		305,605	269,220	494,125	426,261
Net cash used in operating activities				(56,663)	(72,388)
Granite Construction [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Unconsolidated Construction Joint Venture Net Income		7,300	23,200	18,600	25,700
Partnership Interest [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Revenue Remaining to be Recognized on Unconsolidated Construction Joint Ventures		5,700,000		5,700,000
Joint Venture Consolidated [Member] | Consolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Cash and cash equivalents	[1]	46,963	29,109	46,963	29,109	61,276
Receivables, Net		36,978	45,825	36,978	45,825	36,781
Cost and estimated earnings in excess of billings	[1]	239	25,217	239	25,217	129
Other current assets		2,323	4,276	2,323	4,276	1,617
Total current assets		86,503	104,427	86,503	104,427	99,803
Property and equipment, net		7,474	16,957	7,474	16,957	11,969
Total assets	[2]	93,977	121,384	93,977	121,384	111,772
Accounts payable		12,554	26,246	12,554	26,246	18,009
Billings in excess of costs and estimated earnings	[1]	23,947	27,876	23,947	27,876	32,830
Accrued expenses and other current liabilities		1,388	3,805	1,388	3,805	2,714
Total liabilities	[2]	$ 37,889	57,927	$ 37,889	57,927	$ 53,553
Number of Active Joint Venture Projects		2		2
Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Unconsolidated Construction Joint Venture Net Income		$ 34,000	49,400	$ 67,400	100,400
Number of Active Joint Venture Projects		11		11
Joint Venture Unconsolidated [Member] | Line Item Joint Venture [Member]
Construction Joint Venture [Line Items]
Number of Active Joint Venture Projects		4		4
Reporting Entitys Interest in Joint Venture [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Revenue Remaining to be Recognized on Unconsolidated Construction Joint Ventures		$ 1,700,000		$ 1,700,000
Other Partners Interest in Partnerships [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Revenue Remaining to be Recognized on Unconsolidated Construction Joint Ventures		4,000,000		4,000,000
Minimum [Member] | Joint Venture Consolidated [Member] | Consolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		32,700		32,700
Revenue Remaining to be Recognized on Consolidated Construction Joint Ventures		$ 100		$ 100
Proportionate Share of the Consolidated Joint Ventures Equity Owned by or Beneficial Interest in the Reporting Entity Directly or Indirectly		55.00%		55.00%
Construction		$ 10,000	$ 66,000	$ 25,000	98,200
Net cash used in operating activities				12,000	$ 41,900
Minimum [Member] | Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 73,000		$ 73,000
Proportionate Share of the Consolidated Joint Ventures Equity Owned by or Beneficial Interest in the Reporting Entity Directly or Indirectly		20.00%		20.00%
Minimum [Member] | Joint Venture Unconsolidated [Member] | Line Item Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 43,400		$ 43,400
Revenue Per Project Remaining to be Recognized on Line Item Construction Joint Ventures		2,000		2,000
Minimum [Member] | Reporting Entitys Interest in Joint Venture [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Revenue Remaining to be Recognized on Unconsolidated Construction Joint Ventures		4,600		4,600
Minimum [Member] | Reporting Entitys Interest in Joint Venture [Member] | Line Item Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		29,500		29,500
Maximum [Member] | Joint Venture Consolidated [Member] | Consolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		284,700		284,700
Revenue Remaining to be Recognized on Consolidated Construction Joint Ventures		$ 32,100		$ 32,100
Proportionate Share of the Consolidated Joint Ventures Equity Owned by or Beneficial Interest in the Reporting Entity Directly or Indirectly		65.00%		65.00%
Maximum [Member] | Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 3,100,000		$ 3,100,000
Proportionate Share of the Consolidated Joint Ventures Equity Owned by or Beneficial Interest in the Reporting Entity Directly or Indirectly		50.00%		50.00%
Maximum [Member] | Joint Venture Unconsolidated [Member] | Line Item Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 87,000		$ 87,000
Revenue Per Project Remaining to be Recognized on Line Item Construction Joint Ventures		19,400		19,400
Maximum [Member] | Reporting Entitys Interest in Joint Venture [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Revenue Remaining to be Recognized on Unconsolidated Construction Joint Ventures		649,500		649,500
Maximum [Member] | Reporting Entitys Interest in Joint Venture [Member] | Line Item Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 64,500		$ 64,500

[1] The volume and stage of completion of contracts from our consolidated construction joint ventures may cause fluctuations in cash and cash equivalents as well as billings in excess of costs and estimated earnings and costs in excess of billings and estimated earnings between periods.

[2] The assets and liabilities of each consolidated joint venture relate solely to that joint venture. The decision to distribute joint venture cash and cash equivalents and assets must generally be made jointly by a majority of the members and, accordingly, these cash and cash equivalents and assets generally are not available for the working capital needs of Granite until distributed.

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Investments in Affiliates (Tables)

6 Months Ended

Jun. 30, 2015

Investments in and Advances to Affiliates, Schedule of Investments [Abstract]

Investments in and Advances to Affiliates [Table Text Block]

Our investments in affiliates balance consists of the following:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Equity method investments in real estate affiliates	$	23,102	$	22,623	$	23,082
Equity method investment in other affiliate	9,553		9,738		10,854
Total investments in affiliates	$	32,655	$	32,361	$	33,936

Equity Method Investment Summarized Balance Sheet Location [Table Text Block]

The following table provides summarized balance sheet information for our affiliates accounted for under the equity method on a combined basis:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Total assets	$	175,503	$	170,174	$	171,991
Net assets	103,539		97,639		98,342
Granite’s share of net assets	32,655		32,361		33,936

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Construction and Line Item Joint Ventures (Tables)

6 Months Ended

Jun. 30, 2015

Construction and Line Item Joint Ventures [Abstract]

Schedule of Consolidated Joint Ventures [Table Text Block]

The carrying amounts and classification of assets and liabilities of construction joint ventures we are required to consolidate are included on the condensed consolidated balance sheets as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Cash and cash equivalents1	$	46,963	$	61,276	$	29,109
Receivables, net	36,978		36,781		45,825
Costs and estimated earnings in excess of billings1	239		129		25,217
Other current assets	2,323		1,617		4,276
Total current assets	86,503		99,803		104,427
Property and equipment, net	7,474		11,969		16,957
Total assets2	$	93,977	$	111,772	$	121,384
Accounts payable	$	12,554	$	18,009	$	26,246
Billings in excess of costs and estimated earnings1	23,947		32,830		27,876
Accrued expenses and other current liabilities	1,388		2,714		3,805
Total liabilities2	$	37,889	$	53,553	$	57,927

¹The volume and stage of completion of contracts from our consolidated construction joint ventures may cause fluctuations in cash and cash equivalents as well as billings in excess of costs and estimated earnings and costs in excess of billings and estimated earnings between periods.

²The assets and liabilities of each consolidated joint venture relate solely to that joint venture. The decision to distribute joint venture cash and cash equivalents and assets must generally be made jointly by a majority of the members and, accordingly, these cash and cash equivalents and assets generally are not available for the working capital needs of Granite until distributed.

Schedule of Unconsolidated Joint Ventures Assets and Liabilities [Table Text Block]

ollowing is summary financial information related to unconsolidated construction joint ventures:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Assets:
Cash and cash equivalents1	$	336,581	$	264,263	$	226,217
Other assets	816,262		573,898		637,896
Less partners’ interest	771,875		546,907		572,753
Granite’s interest	380,968		291,254		291,360
Liabilities:
Accounts payable	216,663		146,198		133,914
Billings in excess of costs and estimated earnings1	276,982		156,604		162,951
Other liabilities	64,581		55,289		63,501
Less partners’ interest	385,506		251,412		254,865
Granite’s interest	172,720		106,679		105,501
Equity in construction joint ventures2	$	208,248	$	184,575	$	185,859

¹The volume and stage of completion of contracts from our unconsolidated construction joint ventures may cause fluctuations in cash and cash equivalents as well as billings in excess of costs and estimated earnings and costs in excess of billings and estimated earnings between periods. The decision to distribute joint venture cash and cash equivalents and assets must generally be made jointly by all of the partners and, accordingly, these cash and cash equivalents and assets generally are not available for the working capital needs of Granite until distributed.

²As of June 30, 2015, this balance included $0.8 million of deficit in construction joint ventures that is included in accrued expenses and other current liabilities on the condensed consolidated balance sheet.

Schedule of Unconsolidated Joint Ventures Revenue and Costs [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2015		2014		2015		2014
Revenue:
Total	$	466,144	$	392,165	$	909,551	$	741,331
Less partners’ interest and adjustments1	327,980		268,526		636,100		528,383
Granite’s interest	138,164		123,639		273,451		212,948
Cost of revenue:
Total	436,230		345,704		846,301		643,166
Less partners’ interest and adjustments1	305,822		246,065		591,869		456,972
Granite’s interest	130,408		99,639		254,432		186,194
Granite’s interest in gross profit	$	7,756	$	24,000	$	19,019	$	26,754

¹Partners’ interest represents amounts to reconcile total revenue and total cost of revenue as reported by our partners to Granite’s interest adjusted to reflect our accounting policies.

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Schedule of Unconsolidated Construction Joint Ventures Assets and Liabilities (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Construction Joint Venture [Line Items]
Equity in Construction Joint Ventures Current Assets Excluding Deficit in Equity	[1]	$ 208,248	$ 185,859	$ 208,248	$ 185,859	$ 184,575
Granite Construction [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Unconsolidated Construction Joint Venture Revenue		7,300	23,200	18,600	25,700
Partnership Interest [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Revenue Remaining to be Recognized on Unconsolidated Construction Joint Ventures		$ 5,700,000		$ 5,700,000
Joint Venture Consolidated [Member] | Consolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Number of Active Joint Venture Projects		2		2
Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Number of Active Joint Venture Projects		11		11
Unconsolidated Construction Joint Venture Revenue		$ 466,144	392,165	$ 909,551	741,331
Unconsolidated Construction Joint Venture Cost of Revenue		436,230	345,704	846,301	643,166
Unconsolidated Construction Joint Venture Revenue		$ 34,000	49,400	$ 67,400	100,400
Joint Venture Unconsolidated [Member] | Line Item Joint Venture [Member]
Construction Joint Venture [Line Items]
Number of Active Joint Venture Projects		4		4
Reporting Entitys Interest in Joint Venture [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Revenue Remaining to be Recognized on Unconsolidated Construction Joint Ventures		$ 1,700,000		$ 1,700,000
Unconsolidated Construction Joint Venture Assets		380,968	291,360	380,968	291,360	291,254
Unconsolidated Construction Joint Venture Liabilities		172,720	105,501	172,720	105,501	106,679
Unconsolidated Construction Joint Venture Revenue		138,164	123,639	273,451	212,948
Unconsolidated Construction Joint Venture Cost of Revenue		130,408	99,639	254,432	186,194
Unconsolidated Construction Joint Venture Gross Profit Loss		7,756	24,000	19,019	26,754
Other Partners Interest in Partnerships [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Revenue Remaining to be Recognized on Unconsolidated Construction Joint Ventures		4,000,000		4,000,000
Unconsolidated Construction Joint Venture Assets		771,875	572,753	771,875	572,753	546,907
Unconsolidated Construction Joint Venture Liabilities		385,506	254,865	385,506	254,865	251,412
Unconsolidated Construction Joint Venture Revenue		327,980	268,526	636,100	528,383
Unconsolidated Construction Joint Venture Cost of Revenue		305,822	246,065	591,869	456,972
Minimum [Member] | Joint Venture Consolidated [Member] | Consolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 32,700		$ 32,700
Proportionate Share of the Consolidated Joint Ventures Equity Owned by or Beneficial Interest in the Reporting Entity Directly or Indirectly		55.00%		55.00%
Minimum [Member] | Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 73,000		$ 73,000
Proportionate Share of the Consolidated Joint Ventures Equity Owned by or Beneficial Interest in the Reporting Entity Directly or Indirectly		20.00%		20.00%
Minimum [Member] | Joint Venture Unconsolidated [Member] | Line Item Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 43,400		$ 43,400
Revenue Per Project Remaining to be Recognized on Line Item Construction Joint Ventures		2,000		2,000
Minimum [Member] | Reporting Entitys Interest in Joint Venture [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Revenue Remaining to be Recognized on Unconsolidated Construction Joint Ventures		4,600		4,600
Minimum [Member] | Reporting Entitys Interest in Joint Venture [Member] | Line Item Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		29,500		29,500
Maximum [Member] | Joint Venture Consolidated [Member] | Consolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 284,700		$ 284,700
Proportionate Share of the Consolidated Joint Ventures Equity Owned by or Beneficial Interest in the Reporting Entity Directly or Indirectly		65.00%		65.00%
Maximum [Member] | Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 3,100,000		$ 3,100,000
Proportionate Share of the Consolidated Joint Ventures Equity Owned by or Beneficial Interest in the Reporting Entity Directly or Indirectly		50.00%		50.00%
Maximum [Member] | Joint Venture Unconsolidated [Member] | Line Item Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		$ 87,000		$ 87,000
Revenue Per Project Remaining to be Recognized on Line Item Construction Joint Ventures		19,400		19,400
Maximum [Member] | Reporting Entitys Interest in Joint Venture [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Revenue Remaining to be Recognized on Unconsolidated Construction Joint Ventures		649,500		649,500
Maximum [Member] | Reporting Entitys Interest in Joint Venture [Member] | Line Item Joint Venture [Member]
Construction Joint Venture [Line Items]
Construction Contract Value		64,500		64,500
Cash and Cash Equivalents [Member] | Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Unconsolidated Construction Joint Venture Assets	[2]	336,581	226,217	336,581	226,217	264,263
Other Assets, Current and Longterm [Member] | Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Unconsolidated Construction Joint Venture Assets		816,262	637,896	816,262	637,896	573,898
Accounts Payable [Member] | Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Unconsolidated Construction Joint Venture Liabilities		216,663	133,914	216,663	133,914	146,198
Billings in Excess of Costs and Estimated Earnings [Member] | Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Unconsolidated Construction Joint Venture Liabilities	[2]	276,982	162,951	276,982	162,951	156,604
Accrued Liabilities [Member] | Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Construction Joint Venture [Line Items]
Unconsolidated Construction Joint Venture Liabilities		$ 64,581	$ 63,501	$ 64,581	$ 63,501	$ 55,289

[1] As of June 30, 2015, this balance included $0.8 million of deficit in construction joint ventures that is included in accrued expenses and other current liabilities on the condensed consolidated balance sheet.

[2] The volume and stage of completion of contracts from our unconsolidated construction joint ventures may cause fluctuations in cash and cash equivalents as well as billings in excess of costs and estimated earnings and costs in excess of billings and estimated earnings between periods. The decision to distribute joint venture cash and cash equivalents and assets must generally be made jointly by all of the partners and, accordingly, these cash and cash equivalents and assets generally are not available for the working capital needs of Granite until distributed.

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Property and Equipment, Net (Tables)

6 Months Ended

Jun. 30, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment

Balances of major classes of assets and allowances for depreciation and depletion are included in property and equipment, net on our condensed consolidated balance sheets as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Equipment and vehicles	$	768,831	$	767,313	$	769,271
Quarry property	172,009		172,081		170,279
Land and land improvements	110,452		110,235		120,982
Buildings and leasehold improvements	82,628		82,655		83,994
Office furniture and equipment	70,903		70,820		70,192
Property and equipment	1,204,823		1,203,104		1,214,718
Less: accumulated depreciation and depletion	812,834		793,451		788,018
Property and equipment, net	$	391,989	$	409,653	$	426,700

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Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill [Line Items]

Schedule of Goodwill [Table Text Block]

The following table presents the goodwill balance by reportable segment:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Construction	$	29,260	$	29,260	$	29,260
Large Project Construction	22,593		22,593		22,593
Construction Materials	1,946		1,946		1,946
Total goodwill	$	53,799	$	53,799	$	53,799

Schedule of Finite-Lived Intangible Assets by Major Class

Amortized Intangible Assets

The following is the breakdown of our amortized intangible assets that are included in other noncurrent assets on our condensed consolidated balance sheets (in thousands):

			Accumulated
June 30, 2015	Gross Value		Amortization			Net Book Value
Permits	$	29,713	$	(13,677	)	$	16,036
Acquired backlog	7,900		(7,459		)	441
Customer lists	4,398		(2,931		)	1,467
Trade name	4,100		(1,079		)	3,021
Covenants not to compete and other	2,459		(2,429		)	30
Total amortized intangible assets	$	48,570	$	(27,575	)	$	20,995

			Accumulated
December 31, 2014	Gross Value		Amortization			Net Book Value
Permits	$	29,713	$	(13,115	)	$	16,598
Acquired backlog	7,900		(7,263		)	637
Customer lists	4,398		(2,785		)	1,613
Trade name	4,100		(863		)	3,237
Covenants not to compete and other	2,459		(2,428		)	31
Total amortized intangible assets	$	48,570	$	(26,454	)	$	22,116

			Accumulated
June 30, 2014	Gross Value		Amortization			Net Book Value
Permits	$	29,713	$	(12,554	)	$	17,159
Acquired backlog	7,900		(7,102		)	798
Customer lists	4,398		(2,638		)	1,760
Trade name	4,100		(647		)	3,453
Covenants not to compete and other	2,459		(2,426		)	33
Total amortized intangible assets	$	48,570	$	(25,367	)	$	23,203

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Recent Pronouncements

6 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Recently Issued Accounting Pronouncements

Recently Issued Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standard Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers, which provides guidance for revenue recognition. This ASU’s core principle is that a company will recognize revenue when it transfers promised goods or services to customers in an amount that reflects consideration to which the company expects to be entitled in exchange for those goods or services. On July 9, 2015, the FASB voted to defer the effective date by one year to December 15, 2017 for interim and annual reporting periods beginning after that date and permitted early adoption of the standard, but not before the original effective date of December 15, 2016. Therefore, the ASU will be effective commencing with our quarter ending March 31, 2018. We are currently assessing the potential impact of this ASU on our consolidated financial statements.

In February 2015, the FASB issued ASU No. 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis, which provides guidance for consolidation of certain legal entities. The guidance changes the analysis that a reporting entity must perform to determine whether it should consolidate certain types of legal entities. The ASU will be effective commencing with our quarter ending March 31, 2016. We do not expect the adoption of this ASU to have a material impact on our consolidated financial statements.

In April 2015, the FASB issued ASU No. 2015-03, Interest - Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs, which require that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The ASU will be effective commencing with our quarter ending March 31, 2016. We do not expect the adoption of this ASU to have a material impact on our consolidated financial statements.

In April 2015, the FASB issued ASU No. 2015-05, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement, which provides guidance on accounting for fees paid by a customer in a cloud computing arrangement. A cloud computing arrangement that contains a software license will be accounted for consistently with the acquisition of other software licenses. If no software license is present in the contract, the entity should account for the arrangement as a service contract. The ASU will be effective commencing with our quarter ending March 31, 2016. We do not expect the adoption of this ASU to have a material impact on our consolidated financial statements.

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Weighted Average Shares Outstanding and Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table presents a reconciliation of the weighted average shares outstanding used in calculating basic and diluted net income (loss) per share as well as the calculation of basic and diluted net income (loss) per share:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands, except per share amounts)	2015		2014		2015		2014
Numerator (basic and diluted):
Net income (loss) allocated to common shareholders for basic calculation	$	9,613	$	13,641	$	1,053	$	(6,913	)
Denominator:
Weighted average common shares outstanding, basic	39,358		39,115		39,287		39,033
Dilutive effect of stock options and restricted stock units1	523		692		561		—
Weighted average common shares outstanding, diluted	39,881		39,807		39,848		39,033
Net income (loss) per share, basic	$	0.24	$	0.35	$	0.03	$	(0.18	)
Net income (loss) per share, diluted	$	0.24	$	0.34	$	0.03	$	(0.18	)

¹Due to the net loss for the six months ended June 30, 2014, restricted stock units and common stock options representing approximately 746,000 shares have been excluded from the number of shares used in calculating diluted net loss per share, as their inclusion would be antidilutive.

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Fair Value Measurement - Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Cash Equivalents, at Carrying Value [Abstract]
Cash equivalents	$ 23,975	$ 60,618	$ 31,583
Cash	164,172	195,343	114,875
Total cash and cash equivalents	$ 188,147	$ 255,961	$ 146,458	$ 229,121

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Legal Proceedings Legal Proceedings (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Loss Contingencies [Line Items]
Loss Contingency, Range of Possible Loss, Minimum	$ 0
Loss Contingency, Range of Possible Loss, Maximum	700,000
Loss Contingency Accrual	$ 9,500,000	$ 9,700,000	$ 9,900,000

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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Current Assets
Cash and cash equivalents ($46,963, $61,276 and $29,109 related to consolidated construction joint ventures (“CCJVs”))	$ 188,147	$ 255,961	$ 146,458
Short-term marketable securities	17,560	25,504	27,898
Receivables, net ($36,978, $36,781 and $45,825 related to CCJVs)	362,336	310,934	363,614
Costs and estimated earnings in excess of billings ($239, $129 and $25,217 related to CCJVs)	60,093	36,411	76,228
Inventories	71,022	68,920	79,501
Real estate held for development and sale	11,609	11,609	11,761
Deferred income taxes	53,231	53,231	55,874
Equity in construction joint ventures	209,016	184,575	185,859
Other current assets	22,395	23,033	30,727
Total current assets	995,409	970,178	977,920
Property and equipment, net ($7,474, $11,969 and $16,957 related to CCJVs)	391,989	409,653	426,700
Long-term marketable securities	70,508	76,563	84,234
Investments in affiliates	32,655	32,361	33,936
Goodwill	53,799	53,799	53,799
Other noncurrent assets	75,332	77,940	76,797
Total assets	1,619,692	1,620,494	1,653,386
Current liabilities
Current maturities of long-term debt	22	21	21
Current maturities of non-recourse debt	6,128	1,226	1,226
Accounts payable ($12,554, $18,009 and $26,246 related to CCJVs)	170,474	151,935	210,777
Billings in excess of costs and estimated earnings ($23,947, $32,830 and $27,876 related to CCJVs)	106,086	108,992	125,957
Accrued expenses and other current liabilities	195,131	200,652	187,348
Total current liabilities	477,841	462,826	525,329
Long-term debt	270,105	270,105	270,127
Long-term non-recourse debt	0	5,516	6,129
Other long-term liabilities	42,851	44,495	48,455
Deferred income taxes	$ 20,615	$ 20,446	$ 9,803
Commitments and contingencies
Equity
Preferred stock, $0.01 par value, authorized 3,000,000 shares, none outstanding	$ 0	$ 0	$ 0
Common stock, $0.01 par value, authorized 150,000,000 shares; issued and outstanding 39,372,298 shares as of June 30, 2015, 39,186,386 shares as of December 31, 2014 and 39,131,647 shares as of June 30, 2014	394	392	391
Additional paid-in capital	136,214	134,177	130,181
Retained earnings	650,357	659,816	637,905
Total Granite Construction Incorporated shareholders’ equity	786,965	794,385	768,477
Non-controlling interests	21,315	22,721	25,066
Total equity	808,280	817,106	793,543
Total liabilities and equity	$ 1,619,692	$ 1,620,494	$ 1,653,386

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Schedule of Unconsolidated Construction Joint Ventures Revenue and Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Variable Interest Entity [Line Items]
Deficit in unconsolidatedconstruction joint venture	$ 800		$ 800
Joint Venture Unconsolidated [Member] | Unconsolidated Construction Joint Venture [Member]
Variable Interest Entity [Line Items]
Unconsolidated Construction Joint Venture Revenue	466,144	$ 392,165	909,551	$ 741,331
Unconsolidated Construction Joint Venture Cost of Revenue	436,230	345,704	846,301	643,166
Other Partners Interest in Joint Venture [Member] | Unconsolidated Construction Joint Venture [Member]
Variable Interest Entity [Line Items]
Unconsolidated Construction Joint Venture Revenue	327,980	268,526	636,100	528,383
Unconsolidated Construction Joint Venture Cost of Revenue	305,822	246,065	591,869	456,972
Reporting Entitys Interest in Joint Venture [Member] | Unconsolidated Construction Joint Venture [Member]
Variable Interest Entity [Line Items]
Unconsolidated Construction Joint Venture Revenue	138,164	123,639	273,451	212,948
Unconsolidated Construction Joint Venture Cost of Revenue	130,408	99,639	254,432	186,194
Unconsolidated Construction Joint Venture Gross Profit Loss	$ 7,756	$ 24,000	$ 19,019	$ 26,754

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities
Net income	$ 929	$ 945
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation, depletion and amortization	31,331	31,878
Gain on sales of property and equipment	(1,286)	(3,886)
Change in deferred income taxes	(14)	1,613
Stock-based compensation	4,992	6,585
Equity in net income from unconsolidated joint ventures	(18,547)	(25,724)
Changes in assets and liabilities:
Receivables	(54,262)	(44,160)
Costs and estimated earnings in excess of billings, net	(22,958)	(56,150)
Inventories	(2,102)	(17,027)
Contributions to unconsolidated construction joint ventures	(40,750)	(13,797)
Distributions from unconsolidated construction joint ventures	22,020	16,528
Other assets, net	937	(1,579)
Accounts payable	21,861	42,235
Accrued expenses and other current liabilities, net	1,186	(9,849)
Net cash used in operating activities	(56,663)	(72,388)
Investing Activities
Purchases of marketable securities	(29,974)	(34,991)
Maturities of marketable securities	16,700	25,000
Proceeds from called marketable securities	30,000	15,000
Purchases of property and equipment	(16,152)	(20,091)
Proceeds from sales of property and equipment	2,062	5,838
Other investing activities, net	912	47
Net cash provided by (used in) investing activities	3,548	(9,197)
Financing Activities
Cash dividends paid	(10,208)	(10,142)
Purchases of common stock	(3,291)	(4,369)
(Distributions to) contributions from non-controlling partners, net	(1,215)	12,756
Other financing activities, net	15	677
Net cash used in financing activities	(14,699)	(1,078)
Decrease in cash and cash equivalents	(67,814)	(82,663)
Cash and cash equivalents at beginning of period	255,961	229,121
Cash and cash equivalents at end of period	188,147	146,458
Cash paid during the period for:
Interest	7,220	7,337
Income taxes	412	2,144
Other non-cash operating activities:
Performance guarantees	(9,590)	(617)
Non-cash investing and financing activities:
Restricted stock units issued, net of forfeitures	6,135	6,969
Accrued cash dividends	5,118	5,087
Accrued property and equipment purchases	$ 3,324	$ (1,836)

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Basis of Presentation - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Revenue	$ 0	$ 23,200,000	$ 9,700,000	$ 19,700,000
Non-customer [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Litigation Settlement, Amount	$ 0	$ 0	$ 0	$ 7,900,000

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Revisions in Estimates Revisions in Estimates (Policies)

6 Months Ended

Jun. 30, 2015

Revisions in Estimates [Abstract]

Revision in Estimate

Our profit recognition related to construction contracts is based on estimates of costs to complete each project. These estimates can vary significantly in the normal course of business as projects progress, circumstances develop and evolve, and uncertainties are resolved. We recognize revenue associated with unapproved change orders and, effective in the first quarter of 2015, affirmative claims against customers to the extent the related costs have been incurred, the amount can be reliably estimated and recovery is probable. Prior to 2015, we recognized revenue on affirmative claims against customers when we had a signed agreement. See Note 1 for further discussion.

We recognize revisions to estimated total costs as soon as the obligation to perform is determined. When we experience significant changes in our estimates of costs to complete, we undertake a process that includes reviewing the nature of the changes to ensure that there are no material amounts that should have been recorded in a prior period rather than as a revision in estimates for the current period. In our review of these changes for the three and six months ended June 30, 2015 and 2014, we did not identify any amounts that should have been recorded in a prior period. We use the cumulative catch-up method applicable to construction contract accounting to account for revisions in estimates. Under this method, revisions in estimates are accounted for in their entirety in the period of change. There can be no assurance that we will not experience future changes in circumstances or otherwise be required to revise our profitability estimates.

Revenue in an amount equal to cost incurred is recognized if there is not sufficient information to determine the estimated profit on the project with a reasonable level of certainty. The gross profit impact from projects that reached initial profit recognition is not considered to be a change in estimate for purposes of the tables below and is therefore excluded.

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Revisions in Estimates (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) project	Jun. 30, 2014 USD ($) project	Jun. 30, 2015 USD ($) project	Jun. 30, 2014 USD ($) project
Change in Accounting Estimate [Line Items]
Amount Considered Significant to Individual Project Gross Profit	$ 7.2	$ 24.5	$ 13.4	$ 28.6
Construction [Member]
Change in Accounting Estimate [Line Items]
Increase (Decrease) on Project Profitability	(1.3)	(1.4)	4.3	(8.3)
Contracts Accounted for under Percentage of Completion [Member] | Large Project Construction [Member]
Change in Accounting Estimate [Line Items]
Increase (Decrease) on Project Profitability	(1.1)	25.7	(2.5)	34.5
Contracts Accounted for under Percentage of Completion [Member] | Large Project Construction [Member] | Noncontrolling Interest [Member]
Change in Accounting Estimate [Line Items]
Increase (Decrease) on Project Profitability	$ (0.5)	$ 8.2	$ (1.0)	$ 7.5
Upward Estimate Change [Member] | Construction [Member]
Change in Accounting Estimate [Line Items]
Number of Projects with Estimate Changes | project	1	0	4	0
Increase (Decrease) on Project Profitability	$ 1.3	$ 0.0	$ 6.9	$ 0.0
Upward Estimate Change [Member] | Construction [Member] | Minimum [Member]
Change in Accounting Estimate [Line Items]
Range Of Effect On Gross Profit	(1.3)	0.0	(1.0)	0.0
Upward Estimate Change [Member] | Construction [Member] | Maximum [Member]
Change in Accounting Estimate [Line Items]
Range Of Effect On Gross Profit	$ 0.0	$ 0.0	$ (2.3)	$ 0.0
Upward Estimate Change [Member] | Large Project Construction [Member]
Change in Accounting Estimate [Line Items]
Number of Projects with Estimate Changes | project	2	6	3	9
Increase (Decrease) on Project Profitability	$ 4.6	$ 28.0	$ 7.3	$ 41.3
Upward Estimate Change [Member] | Large Project Construction [Member] | Minimum [Member]
Change in Accounting Estimate [Line Items]
Range Of Effect On Gross Profit	(2.3)	(1.1)	(2.1)	(1.1)
Upward Estimate Change [Member] | Large Project Construction [Member] | Maximum [Member]
Change in Accounting Estimate [Line Items]
Range Of Effect On Gross Profit	$ (2.3)	$ (19.7)	$ (2.9)	$ (16.3)
Downward Estimate Change [Member] | Construction [Member]
Change in Accounting Estimate [Line Items]
Number of Projects with Estimate Changes | project	2	1	2	5
Increase (Decrease) on Project Profitability	$ (2.6)	$ 1.4	$ (2.6)	$ 8.3
Downward Estimate Change [Member] | Construction [Member] | Minimum [Member]
Change in Accounting Estimate [Line Items]
Range Of Effect On Gross Profit	1.1	1.4	1.2	1.1
Downward Estimate Change [Member] | Construction [Member] | Maximum [Member]
Change in Accounting Estimate [Line Items]
Range Of Effect On Gross Profit	$ 1.5	$ 0.0	$ 1.4	$ 2.2
Downward Estimate Change [Member] | Large Project Construction [Member]
Change in Accounting Estimate [Line Items]
Number of Projects with Estimate Changes | project	3	1	4	1
Increase (Decrease) on Project Profitability	$ (5.7)	$ (2.3)	$ (9.8)	$ (6.8)
Downward Estimate Change [Member] | Large Project Construction [Member] | Minimum [Member]
Change in Accounting Estimate [Line Items]
Range Of Effect On Gross Profit	1.2	2.3	1.4	6.8
Downward Estimate Change [Member] | Large Project Construction [Member] | Maximum [Member]
Change in Accounting Estimate [Line Items]
Range Of Effect On Gross Profit	$ 2.4	$ 0.0	$ 3.4	$ 0.0

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Revisions in Estimates (Tables)

6 Months Ended

Jun. 30, 2015

Construction [Member]

Change in Accounting Estimate [Line Items]

Schedule of Change in Accounting Estimate

Decreases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with downward estimate changes		2		1		2		5
Range of reduction in gross profit from each project, net	$	1.1 - 1.5	$	1.4	$	1.2 - 1.4	$	1.1 - 2.2
Decrease on project profitability	$	2.6	$	1.4	$	2.6	$	8.3

The projects are summarized as follows:

Increases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with upward estimate changes		1		—		4		—
Range of increase in gross profit from each project, net	$	1.3	$	—	$	1.0 - 2.3	$	—
Increase on project profitability	$	1.3	$	—	$	6.9	$	—

Large Project Construction [Member]

Change in Accounting Estimate [Line Items]

Schedule of Change in Accounting Estimate

Decreases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with downward estimate changes		3		1		4		1
Range of reduction in gross profit from each project, net	$	1.2 - 2.4	$	2.3	$	1.4 - 3.4	$	6.8
Decrease in project profitability	$	5.7	$	2.3	$	9.8	$	6.8

The projects are summarized as follows:

Increases

	Three Months Ended June 30,					Six Months Ended June 30,
(dollars in millions)		2015		2014		2015		2014
Number of projects with upward estimate changes		2		6		3		9
Range of increase in gross profit from each project, net	$	2.3 - 2.3	$	1.1 - 19.7	$	2.1 - 2.9	$	1.1 - 16.3
Increase in project profitability	$	4.6	$	28.0	$	7.3	$	41.3

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Basis of Presentation

6 Months Ended

Jun. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The condensed consolidated financial statements included herein have been prepared by Granite Construction Incorporated (“we,” “us,” “our,” “Company” or “Granite”) without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) and should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2014. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted, although we believe the disclosures which are made are adequate to make the information presented not misleading. Further, the condensed consolidated financial statements reflect, in the opinion of management, all normal recurring adjustments necessary to state fairly our financial position at June 30, 2015 and 2014 and the results of our operations and cash flows for the periods presented. The December 31, 2014 condensed consolidated balance sheet data was derived from audited consolidated financial statements, but does not include all disclosures required by U.S. GAAP.

Our operations are typically affected more by weather conditions during the first and fourth quarters of our fiscal year which may alter our construction schedules and can create variability in our revenues and profitability. Therefore, the results of operations for the three and six months ended June 30, 2015 are not necessarily indicative of the results to be expected for the full year.

We prepared the accompanying condensed consolidated financial statements on the same basis as our annual consolidated financial statements, except as follows:

Accounting Changes [Text Block]

Change in Accounting Policy for Affirmative Claims

Unresolved contract modifications and claims to recover additional costs to which the Company believes it is entitled under the terms of the customers’ contracts are pending or have been submitted on certain projects. The owners or their authorized representatives and/or other third parties may be in partial or full agreement with the modifications or claims, or may have rejected or disagree entirely as to such entitlement.

Effective January 1, 2015, we changed our accounting policy for recognizing revenue associated with affirmative claims with customers. Revenue is now recognized to the extent of costs incurred when it is probable that a claim settlement with a customer will result in additional revenue and the amount can be reasonably estimated. Prior to this change in accounting policy, we recognized revenue from affirmative claims with customers when the claims were settled, generally when a legally binding agreement was signed. We believe this change in accounting policy is preferable as it more accurately reflects the timing and amount of revenue earned on our projects, as well as providing better comparability to our industry peers.

Recognizing claim recoveries requires significant judgments and estimates. During the first quarter of 2015, we implemented new and refined internal controls and processes to enable the reasonable estimation of claims.

Given that these internal controls and processes were not fully implemented until the first quarter of 2015, and we do not believe that it is possible to objectively distinguish information about claims estimates in prior periods from information that subsequently became available, it is impractical to independently and objectively substantiate judgments and estimates that would have been made with respect to claims in prior periods. Therefore, it is not possible to reasonably determine the estimated amounts of and prior reporting periods in which past claims would have met the criteria for recognition under our new accounting policy. Accordingly, we have adopted this accounting policy change prospectively beginning on January 1, 2015.

The effect of adopting the new accounting policy for customer claims was an increase in revenue and gross profit of $9.7 million for the six months ended June 30, 2015, and there was no revenue or gross profit associated with customer claims during the three months ended June 30, 2015. During the three and six months ended June 30, 2014 there was one customer claim settled that had a gross profit impact of $23.2 million.

Gross profit associated with claims against non-customers, such as vendors, designers or subcontractors, continues to be recognized when the claims are settled. During the three and six months ended June 30, 2015 and three months ended June 30, 2014, there were no claim settlements with non-customers. During the six months ended June 30, 2014, gross profit from claim settlements with non-customers was $7.9 million.

The potential increase or decrease to gross profit from recoveries for contract modifications and claims may be material in future periods when claims, or a portion of such claims, against customers become probable and estimable, estimates are revised or when claims against other third parties are settled. In addition, the Company may incur additional costs when pursuing such potential recoveries.

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CONSOLIDATED BALANCE SHEETS Consolidated Balance Sheets Parenthetical (Assets and Liabilities) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Cash and cash equivalents		$ 188,147	$ 255,961	$ 146,458	$ 229,121
Property and equipment, net		391,989	409,653	426,700
Accounts payable		170,474	151,935	210,777
Billings in excess of costs and estimated earnings		106,086	108,992	125,957
Consolidated Construction Joint Venture [Member] | Joint Venture Consolidated [Member]
Cash and cash equivalents	[1]	46,963	61,276	29,109
Receivables, Net		36,978	36,781	45,825
Cost and estimated earnings in excess of billings	[1]	239	129	25,217
Property and equipment, net		7,474	11,969	16,957
Accounts payable		12,554	18,009	26,246
Billings in excess of costs and estimated earnings	[1]	$ 23,947	$ 32,830	$ 27,876

[1] The volume and stage of completion of contracts from our consolidated construction joint ventures may cause fluctuations in cash and cash equivalents as well as billings in excess of costs and estimated earnings and costs in excess of billings and estimated earnings between periods.

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Covenants and Events of Default

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Long-Term Debt and Credit Arrangements

Covenants and Events of Default

Our debt and credit agreements require us to comply with various affirmative, restrictive and financial covenants. Our failure to comply with any of these covenants, or to pay principal, interest or other amounts when due thereunder, would constitute an event of default under the applicable agreements. Under certain circumstances, the occurrence of an event of default under one of our debt or credit agreements (or the acceleration of the maturity of the indebtedness under one of our agreements) may constitute an event of default under one or more of our other debt or credit agreements. Default under our debt and credit agreements could result in (1) us no longer being entitled to borrow under the agreements; (2) termination of the agreements; (3) the requirement that any letters of credit under the agreements be cash collateralized; (4) acceleration of the maturity of outstanding indebtedness under the agreements; and/or (5) foreclosure on any collateral securing the obligations under the agreements.

As of June 30, 2015, senior notes payable in the amount of $200.0 million were due to a group of institutional holders in five equal annual installments beginning in 2015 and bear interest at 6.11% per annum (“2019 Notes”). As of June 30, 2015, we were in compliance with the covenants contained in our note purchase agreement governing our 2019 Notes (the “2019 NPA”) and the credit agreement governing the $215.0 million committed revolving credit facility, with a sublimit for letters of credit of $100.0 million (“Credit Agreement”), as well as the debt agreements related to our consolidated real estate entity. We are not aware of any non-compliance by any of our unconsolidated real estate entities with the covenants contained in their debt agreements.

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Document and Entity Information Document - shares	6 Months Ended
	Jun. 30, 2015	Jul. 23, 2015
Entity Information [Line Items]
Entity Registrant Name	GRANITE CONSTRUCTION INC
Entity Central Index Key	0000861459
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		39,378,372

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Weighted Average Shares Outstanding and Net Incomer (Loss) Per Share

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

Weighted Average Shares Outstanding and Net Income (Loss) Per Share

Basic net income per share is computed using the weighted-average number of common shares outstanding during the period. Diluted net income per share is computed using the weighted-average number of common shares and dilutive potential common shares outstanding during the period. Potential common shares include stock options and restricted stock units. The following table presents a reconciliation of the weighted average shares outstanding used in calculating basic and diluted net income (loss) per share as well as the calculation of basic and diluted net income (loss) per share:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands, except per share amounts)	2015		2014		2015		2014
Numerator (basic and diluted):
Net income (loss) allocated to common shareholders for basic calculation	$	9,613	$	13,641	$	1,053	$	(6,913	)
Denominator:
Weighted average common shares outstanding, basic	39,358		39,115		39,287		39,033
Dilutive effect of stock options and restricted stock units1	523		692		561		—
Weighted average common shares outstanding, diluted	39,881		39,807		39,848		39,033
Net income (loss) per share, basic	$	0.24	$	0.35	$	0.03	$	(0.18	)
Net income (loss) per share, diluted	$	0.24	$	0.34	$	0.03	$	(0.18	)

¹Due to the net loss for the six months ended June 30, 2014, restricted stock units and common stock options representing approximately 746,000 shares have been excluded from the number of shares used in calculating diluted net loss per share, as their inclusion would be antidilutive.

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CONSOLIDATED BALANCE SHEETS Consolidated Balance Sheets Parenthetical (Equity) - $ / shares	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Statement of Financial Position [Abstract]
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	3,000,000	3,000,000	3,000,000
Preferred Stock, Shares Outstanding	0	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01	$ 0.01
Common Stock, Shares Authorized	150,000,000	150,000,000	150,000,000
Common Stock, Shares, Issued	39,372,298	39,186,386	39,131,647
Common Stock, Shares, Outstanding	39,372,298	39,186,386	39,131,647

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Receivables, Net

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Receivables, Net

Receivables, net

Receivables, net at June 30, 2015, December 31, 2014 and June 30, 2014 are as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Construction contracts:
Completed and in progress	$	229,861	$	191,094	$	237,870
Retentions	77,955		84,760		69,678
Total construction contracts	307,816		275,854		307,548
Construction Material sales	49,064		28,549		48,932
Other	5,820		6,822		7,677
Total gross receivables	362,700		311,225		364,157
Less: allowance for doubtful accounts	364		291		543
Total net receivables	$	362,336	$	310,934	$	363,614

Receivables include amounts billed and billable to clients for services provided as of the end of the applicable period and do not bear interest. To the extent costs have not been billed or are not billable, the contract balance is included in costs and estimated earnings in excess of billings on the condensed consolidated balance sheets. Included in other receivables at June 30, 2015, December 31, 2014 and June 30, 2014 were items such as notes receivable, fuel tax refunds and income tax refunds. No such receivables individually exceeded 10% of total net receivables at any of these dates.

Financing receivables consisted of retentions receivable and were included in receivables, net on the condensed consolidated balance sheets as of June 30, 2015, December 31, 2014 and June 30, 2014. Certain construction contracts include retainage provisions. The balances billed but not paid by customers pursuant to these provisions generally become due upon completion and acceptance of the project work or products by the owners. No retention receivable individually exceeded 10% of total net receivables at any of the presented dates. As of June 30, 2015, the majority of the retentions receivable are expected to be collected within one year.

We segregate our retention receivables into two categories: escrow and non-escrow. The balances in each category were as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Escrow	$	22,381	$	28,692	$	25,093
Non-escrow	55,574		56,068		44,585
Total retention receivables	$	77,955	$	84,760	$	69,678

The escrow receivables include amounts due to Granite which have been deposited into an escrow account and bear interest. Typically, escrow retention receivables are held until work on a project is complete and has been accepted by the owner who then releases those funds, along with accrued interest, to us. There is minimal risk of not collecting on these amounts.

As of June 30, 2015, the non-escrow retention receivables aged over 90 days decreased to $6.3 million from $8.6 million at December 31, 2014. As of both dates, our allowance for doubtful accounts contained no material provision related to non-escrow retention receivables as we determined there were no significant collectability issues.

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Fair Value Measurement

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurement

Fair value accounting standards describe three levels that may be used to measure fair value:

• Level 1 - Quoted prices in active markets for identical assets or liabilities.

• Level 2 - Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

• Level 3 - Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

The following tables summarize significant assets and liabilities measured at fair value in the condensed consolidated balance sheets on a recurring basis for each of the fair value levels (in thousands):

	Fair Value Measurement at Reporting Date Using
June 30, 2015	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	23,975	$	—	$	—	$	23,975
Total assets	$	23,975	$	—	$	—	$	23,975

	Fair Value Measurement at Reporting Date Using
December 31, 2014	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	60,618	$	—	$	—	$	60,618
Total assets	$	60,618	$	—	$	—	$	60,618

	Fair Value Measurement at Reporting Date Using
June 30, 2014	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	31,583	$	—	$	—	$	31,583
Total assets	$	31,583	$	—	$	—	$	31,583

A reconciliation of cash equivalents to consolidated cash and cash equivalents is as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Cash equivalents	$	23,975	$	60,618	$	31,583
Cash	164,172		195,343		114,875
Total cash and cash equivalents	$	188,147	$	255,961	$	146,458

In March 2014, we entered into an interest rate swap with a notional amount of $100.0 million which matures in June 2018 to convert the interest rate of our 2019 Notes (defined in Note 11) from a fixed rate of 6.11% to a floating rate of 4.15% plus six-month LIBOR. The interest rate swap is reported at fair value using Level 2 inputs, and gains or losses, including net periodic settlement amounts, are recorded in other (income) expense, net in our condensed consolidated statements of operations. During the three and six months ended June 30, 2015, we recorded a net loss of less than $0.1 million and a net gain of $1.3 million, respectively, and during the three and six months ended June 30, 2014, we recorded a net gain of $1.2 million and $0.9 million, respectively. The fair value of the interest rate swap is recorded in other current assets on the condensed consolidated balance sheets and was $0.9 million, $0.3 million and $0.6 million as of June 30, 2015, December 31, 2014 and June 30, 2014, respectively.

In March 2014, we entered into two diesel commodity swaps covering the periods from May 2014 to October 2014 and from May 2015 to October 2015 which represented roughly 25% of our forecasted purchases for diesel during these periods.  In May 2014, we entered into two natural gas commodity swaps covering the periods from June 2014 to October 2014 and from May 2015 to October 2015 representing roughly 25% of our forecasted purchases of natural gas during these periods. The commodity swaps are reported at fair value using Level 2 inputs, and gains or losses, including net periodic settlement amounts, are recorded in other (income) expense, net in our condensed consolidated statements of operations, and was immaterial for all periods presented. The fair values of the commodity swaps are recorded in accrued expenses and other current liabilities on the condensed consolidated balance sheets and were $1.6 million, $1.7 million and $0.1 million as of June 30, 2015, December 31, 2014 and June 30, 2014, respectively.

The carrying values and estimated fair values of our financial instruments that are not required to be recorded at fair value in the condensed consolidated balance sheets are as follows: 

		June 30, 2015				December 31, 2014				June 30, 2014
(in thousands)	Fair Value Hierarchy	Carrying Value		Fair Value		Carrying Value		Fair Value		Carrying Value		Fair Value
Assets:
Held-to-maturity marketable securities	Level 1	$	88,068	$	88,075	$	102,067	$	101,808	$	112,132	$	111,999
Liabilities (including current maturities):
Senior notes payable1	Level 3	$	200,000	$	212,648	$	200,000	$	220,226	$	200,000	$	222,920
Credit Agreement loan1	Level 3	70,000		69,387		70,000		70,153		70,000		69,781

¹The fair values of the senior notes payable and Credit Agreement (defined in Note 11) loan are based on borrowing rates available to us for long-term loans with similar terms, average maturities, and credit risk.

The carrying values of receivables, other current assets, and accrued expenses and other current liabilities approximate their fair values due to the short-term nature of these instruments. In addition, the fair value of non-recourse debt measured using Level 3 inputs approximates its carrying value due to its relative short-term nature and competitive interest rates. During the three and six months ended June 30, 2015 and 2014, we did not record any fair value adjustments related to nonfinancial assets and liabilities measured at fair value on a nonrecurring basis.

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Investments in Affiliates Investments in Affiliates (Policies)

6 Months Ended

Jun. 30, 2015

Investments in and Advances to Affiliates, Schedule of Investments [Abstract]

Consolidation, Variable Interest Entity, Policy [Policy Text Block]

Generally, each construction joint venture is formed to complete a specific contract and is jointly controlled by the venture members. The associated agreements typically provide that our interests in any profits and assets, and our respective share in any losses and liabilities resulting from the performance of the contracts, are limited to our stated percentage interest in the venture. Under our contractual arrangements, we provide capital to these joint ventures in return for an ownership interest. In addition, members dedicate resources to the ventures necessary to complete the contracts and are reimbursed for their cost. The operational risks of each construction joint venture are passed along to the joint venture members. As we absorb our share of these risks, our investment in each venture is exposed to potential gains and losses.

We have determined that certain of these joint ventures are consolidated because they are variable interest entities (“VIEs”), and we are the primary beneficiary, or because they are not VIEs, and we hold the majority voting interest.

We continually evaluate whether there are changes in the status of the VIEs or changes to the primary beneficiary designation of the VIE.

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Equity

6 Months Ended

Jun. 30, 2015

Stockholders' Equity Note [Abstract]

Equity

Equity

The following tables summarize our equity activity for the periods presented (in thousands):

	Granite Construction Incorporated			Non-controlling Interests			Total Equity
Balance at December 31, 2014	$	794,385		$	22,721		$	817,106
Purchase of common stock1	(3,332		)	—			(3,332		)
Other transactions with shareholders and employees2	5,092			—			5,092
Transactions with non-controlling interests, net	—			(1,282		)	(1,282		)
Net income (loss)	1,053			(124		)	929
Dividends on common stock	(10,233		)	—			(10,233		)
Balance at June 30, 2015	$	786,965		$	21,315		$	808,280

Balance at December 31, 2013	$	781,940		$	4,404	$	786,344
Purchase of common stock3	(4,369		)	—		(4,369		)
Other transactions with shareholders and employees2	7,989			—		7,989
Transactions with non-controlling interests, net	—			12,804		12,804
Net (loss) income	(6,913		)	7,858		945
Dividends on common stock	(10,170		)	—		(10,170		)
Balance at June 30, 2014	$	768,477		$	25,066	$	793,543

¹Represents 102,000 shares purchased in connection with employee tax withholding for units vested under our Amended and Restated 1999 Equity Incentive Plan.

²Amounts are comprised primarily of amortized restricted stock units.

³Represents 113,000 shares purchased in connection with employee tax withholding for units vested under our Amended and Restated 1999 Equity Incentive Plan.

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Property and Equipment, Net

6 Months Ended

Jun. 30, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and Equipment, net

Balances of major classes of assets and allowances for depreciation and depletion are included in property and equipment, net on our condensed consolidated balance sheets as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Equipment and vehicles	$	768,831	$	767,313	$	769,271
Quarry property	172,009		172,081		170,279
Land and land improvements	110,452		110,235		120,982
Buildings and leasehold improvements	82,628		82,655		83,994
Office furniture and equipment	70,903		70,820		70,192
Property and equipment	1,204,823		1,203,104		1,214,718
Less: accumulated depreciation and depletion	812,834		793,451		788,018
Property and equipment, net	$	391,989	$	409,653	$	426,700

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Construction and Line Item Joint Ventures

6 Months Ended

Jun. 30, 2015

Construction and Line Item Joint Ventures [Abstract]

Construction and Line Item Joint Ventures

Construction and Line Item Joint Ventures

We participate in various construction joint ventures, partnerships and a limited liability company of which we are a limited member (“joint ventures”). We also participate in various “line item” joint venture agreements under which each member is responsible for performing certain discrete items of the total scope of contracted work.

Due to the joint and several nature of the performance obligations under the related owner contracts, if any of the members fail to perform, we and the other members would be responsible for performance of the outstanding work. At June 30, 2015, there was approximately $5.7 billion of construction revenue to be recognized on unconsolidated and line item construction joint venture contracts of which $1.7 billion represented our share and the remaining $4.0 billion represented the other members’ share. We are not able to estimate amounts that may be required beyond the remaining cost of the work to be performed. These costs could be offset by billings to the customer or by proceeds from the other members and/or other guarantors.

Construction Joint Ventures

Generally, each construction joint venture is formed to complete a specific contract and is jointly controlled by the venture members. The associated agreements typically provide that our interests in any profits and assets, and our respective share in any losses and liabilities resulting from the performance of the contracts, are limited to our stated percentage interest in the venture. Under our contractual arrangements, we provide capital to these joint ventures in return for an ownership interest. In addition, members dedicate resources to the ventures necessary to complete the contracts and are reimbursed for their cost. The operational risks of each construction joint venture are passed along to the joint venture members. As we absorb our share of these risks, our investment in each venture is exposed to potential gains and losses.

We have determined that certain of these joint ventures are consolidated because they are variable interest entities (“VIEs”), and we are the primary beneficiary, or because they are not VIEs, and we hold the majority voting interest.

We continually evaluate whether there are changes in the status of the VIEs or changes to the primary beneficiary designation of the VIE. Based on our assessments during the three months ended June 30, 2015, we determined no change was required for existing construction joint ventures.

Consolidated Construction Joint Ventures

The carrying amounts and classification of assets and liabilities of construction joint ventures we are required to consolidate are included on the condensed consolidated balance sheets as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Cash and cash equivalents1	$	46,963	$	61,276	$	29,109
Receivables, net	36,978		36,781		45,825
Costs and estimated earnings in excess of billings1	239		129		25,217
Other current assets	2,323		1,617		4,276
Total current assets	86,503		99,803		104,427
Property and equipment, net	7,474		11,969		16,957
Total assets2	$	93,977	$	111,772	$	121,384
Accounts payable	$	12,554	$	18,009	$	26,246
Billings in excess of costs and estimated earnings1	23,947		32,830		27,876
Accrued expenses and other current liabilities	1,388		2,714		3,805
Total liabilities2	$	37,889	$	53,553	$	57,927

¹The volume and stage of completion of contracts from our consolidated construction joint ventures may cause fluctuations in cash and cash equivalents as well as billings in excess of costs and estimated earnings and costs in excess of billings and estimated earnings between periods.

²The assets and liabilities of each consolidated joint venture relate solely to that joint venture. The decision to distribute joint venture cash and cash equivalents and assets must generally be made jointly by a majority of the members and, accordingly, these cash and cash equivalents and assets generally are not available for the working capital needs of Granite until distributed.

At June 30, 2015, we were engaged in two active consolidated construction joint venture projects with total contract values of $32.7 million and $284.7 million. Our share of revenue remaining to be recognized on these consolidated joint ventures was $0.1 million and $32.1 million. Our proportionate share of the equity in these joint ventures was 55.0% and 65.0%. During the three and six months ended June 30, 2015, total revenue from consolidated construction joint ventures was $10.0 million and $25.0 million, respectively. During the three and six months ended June 30, 2014, total revenue from consolidated construction joint ventures was $66.0 million and $98.2 million, respectively. Total operating cash flows used in consolidated construction joint ventures were $12.0 million and $41.9 million during the six months ended June 30, 2015 and 2014, respectively.

Unconsolidated Construction Joint Ventures

We account for our share of construction joint ventures that we are not required to consolidate on a pro rata basis in the condensed consolidated statements of operations and as a single line item on the condensed consolidated balance sheets. As of June 30, 2015, these unconsolidated joint ventures were engaged in eleven active projects with total contract values ranging from $73.0 million to $3.1 billion. Our proportionate share of the equity in these unconsolidated joint ventures ranged from 20.0% to 50.0%. As of June 30, 2015, our share of the revenue remaining to be recognized on these unconsolidated joint ventures ranged from $4.6 million to $649.5 million.

As of June 30, 2015, one of our unconsolidated construction joint ventures was located in Canada and, therefore, the associated disclosures throughout this footnote include amounts that were translated from Canadian dollars to U.S. dollars using the spot rate in effect as of the reporting date for balance sheet items, and the average rate in effect during the reporting period for the results of operations. The associated foreign currency translation adjustments did not have a material impact on the condensed consolidated financial statements for any of the dates or periods presented.

The following is summary financial information related to unconsolidated construction joint ventures:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Assets:
Cash and cash equivalents1	$	336,581	$	264,263	$	226,217
Other assets	816,262		573,898		637,896
Less partners’ interest	771,875		546,907		572,753
Granite’s interest	380,968		291,254		291,360
Liabilities:
Accounts payable	216,663		146,198		133,914
Billings in excess of costs and estimated earnings1	276,982		156,604		162,951
Other liabilities	64,581		55,289		63,501
Less partners’ interest	385,506		251,412		254,865
Granite’s interest	172,720		106,679		105,501
Equity in construction joint ventures2	$	208,248	$	184,575	$	185,859

¹The volume and stage of completion of contracts from our unconsolidated construction joint ventures may cause fluctuations in cash and cash equivalents as well as billings in excess of costs and estimated earnings and costs in excess of billings and estimated earnings between periods. The decision to distribute joint venture cash and cash equivalents and assets must generally be made jointly by all of the partners and, accordingly, these cash and cash equivalents and assets generally are not available for the working capital needs of Granite until distributed.

²As of June 30, 2015, this balance included $0.8 million of deficit in construction joint ventures that is included in accrued expenses and other current liabilities on the condensed consolidated balance sheet.

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2015		2014		2015		2014
Revenue:
Total	$	466,144	$	392,165	$	909,551	$	741,331
Less partners’ interest and adjustments1	327,980		268,526		636,100		528,383
Granite’s interest	138,164		123,639		273,451		212,948
Cost of revenue:
Total	436,230		345,704		846,301		643,166
Less partners’ interest and adjustments1	305,822		246,065		591,869		456,972
Granite’s interest	130,408		99,639		254,432		186,194
Granite’s interest in gross profit	$	7,756	$	24,000	$	19,019	$	26,754

¹Partners’ interest represents amounts to reconcile total revenue and total cost of revenue as reported by our partners to Granite’s interest adjusted to reflect our accounting policies.

During the three and six months ended June 30, 2015, unconsolidated construction joint venture net income was $34.0 million and $67.4 million, respectively, of which our share was $7.3 million and $18.6 million, respectively. During the three and six months ended June 30, 2014, unconsolidated construction joint venture net income was $49.4 million and $100.4 million, respectively, of which our share was $23.2 million and $25.7 million, respectively. These joint venture net income amounts exclude our corporate overhead required to manage the joint ventures.

Line Item Joint Ventures

The revenue for each line item joint venture member’s discrete items of work is defined in the contract with the project owner and each venture member bears the profitability risk associated with its own work. There is not a single set of books and records for a line item joint venture. Each member accounts for its items of work individually as it would for any self-performed contract. We include only our portion of these contracts in our condensed consolidated financial statements. As of June 30, 2015, we had four active line item joint venture construction projects with total contract values ranging from $43.4 million to $87.0 million of which our portion ranged from $29.5 million to $64.5 million. As of June 30, 2015, our share of revenue remaining to be recognized on these line item joint ventures ranged from $2.0 million to $19.4 million.

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Investments in Affiliates

6 Months Ended

Jun. 30, 2015

Investments in and Advances to Affiliates, Schedule of Investments [Abstract]

Investments in Affiliates

Investments in Affiliates

Our investments in affiliates balance is related to our investments in unconsolidated non-construction entities that we account for using the equity method of accounting, including investments in real estate entities and a non-real estate entity. Our share of the operating results of the equity method investments is included in other income in the condensed consolidated statements of operations and as a single line item on the condensed consolidated balance sheets as investments in affiliates.

Our investments in affiliates balance consists of the following:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Equity method investments in real estate affiliates	$	23,102	$	22,623	$	23,082
Equity method investment in other affiliate	9,553		9,738		10,854
Total investments in affiliates	$	32,655	$	32,361	$	33,936

The following table provides summarized balance sheet information for our affiliates accounted for under the equity method on a combined basis:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Total assets	$	175,503	$	170,174	$	171,991
Net assets	103,539		97,639		98,342
Granite’s share of net assets	32,655		32,361		33,936

The equity method investments in real estate included $17.5 million, $16.5 million and $16.7 million in residential real estate in Texas as of June 30, 2015, December 31, 2014 and June 30, 2014, respectively. The remaining balances were in commercial real estate in Texas. Of the $175.5 million in total assets as of June 30, 2015, real estate entities had total assets ranging from $1.8 million to $63.8 million and the non-real estate entity had total assets of $20.8 million.

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Intangible Assets

6 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Indefinite-lived Intangible Assets

Indefinite-lived intangible assets primarily consist of goodwill and use rights. Use rights of $0.4 million are included in other noncurrent assets on our condensed consolidated balance sheets as of June 30, 2015, December 31, 2014 and June 30, 2014.

The following table presents the goodwill balance by reportable segment:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Construction	$	29,260	$	29,260	$	29,260
Large Project Construction	22,593		22,593		22,593
Construction Materials	1,946		1,946		1,946
Total goodwill	$	53,799	$	53,799	$	53,799

The results of operations and cash flows of our business are susceptible to fluctuations due to a variety of factors, including the size, frequency and profitability of contract awards. The Kenny Large Projects reporting unit is particularly susceptible to these fluctuations given its historically narrow end-market focus. A substantial decline in the actual and projected award rate may impact projected cash flows of any of our reporting units which could cause book value to exceed calculated fair value, resulting in the impairment of all or some portion of goodwill attributable to the Kenny Group Large Project Construction reporting unit.

Amortized Intangible Assets

The following is the breakdown of our amortized intangible assets that are included in other noncurrent assets on our condensed consolidated balance sheets (in thousands):

			Accumulated
June 30, 2015	Gross Value		Amortization			Net Book Value
Permits	$	29,713	$	(13,677	)	$	16,036
Acquired backlog	7,900		(7,459		)	441
Customer lists	4,398		(2,931		)	1,467
Trade name	4,100		(1,079		)	3,021
Covenants not to compete and other	2,459		(2,429		)	30
Total amortized intangible assets	$	48,570	$	(27,575	)	$	20,995

			Accumulated
December 31, 2014	Gross Value		Amortization			Net Book Value
Permits	$	29,713	$	(13,115	)	$	16,598
Acquired backlog	7,900		(7,263		)	637
Customer lists	4,398		(2,785		)	1,613
Trade name	4,100		(863		)	3,237
Covenants not to compete and other	2,459		(2,428		)	31
Total amortized intangible assets	$	48,570	$	(26,454	)	$	22,116

			Accumulated
June 30, 2014	Gross Value		Amortization			Net Book Value
Permits	$	29,713	$	(12,554	)	$	17,159
Acquired backlog	7,900		(7,102		)	798
Customer lists	4,398		(2,638		)	1,760
Trade name	4,100		(647		)	3,453
Covenants not to compete and other	2,459		(2,426		)	33
Total amortized intangible assets	$	48,570	$	(25,367	)	$	23,203

Amortization expense related to amortized intangible assets for the three and six months ended June 30, 2015 was $0.5 million and $1.1 million, respectively. Amortization expense related to amortized intangible assets for the three and six months ended June 30, 2014 was $0.6 million and $1.2 million, respectively. Based on the amortized intangible assets balance at June 30, 2015, amortization expense expected to be recorded in the future is as follows: $1.4 million for the remainder of 2015; $1.8 million in 2016; $1.7 million in 2017; $1.7 million in 2018; $1.7 million in 2019; and $12.7 million thereafter.

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Business Segment Information (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Summarized segment information is as follows (in thousands):

	Three Months Ended June 30,
	Construction		Large Project Construction		Construction Materials			Total
2015
Total revenue from reportable segments	$	305,605	$	182,893	$	113,449		$	601,947
Elimination of intersegment revenue	—		—		(32,705		)	(32,705		)
Revenue from external customers	305,605		182,893		80,744			569,242
Gross profit	40,062		14,773		10,933			65,768
Depreciation, depletion and amortization	4,866		2,359		5,575			12,800
2014
Total revenue from reportable segments	$	269,220	$	244,328	$	97,800		$	611,348
Elimination of intersegment revenue	—		—		(25,478		)	(25,478		)
Revenue from external customers	269,220		244,328		72,322			585,870
Gross profit	24,827		50,792		6,796			82,415
Depreciation, depletion and amortization	4,229		4,020		5,512			13,761

	Six Months Ended June 30,
	Construction		Large Project Construction		Construction Materials			Total
2015
Total revenue from reportable segments	$	494,125	$	373,198	$	167,149		$	1,034,472
Elimination of intersegment revenue	—		—		(44,981		)	(44,981		)
Revenue from external customers	494,125		373,198		122,168			989,491
Gross profit	61,737		32,544		11,596			105,877
Depreciation, depletion and amortization	9,558		5,003		11,007			25,568
Segment assets	143,139		265,124		308,207			716,470
2014
Total revenue from reportable segments	$	426,261	$	431,663	$	139,909		$	997,833
Elimination of intersegment revenue	—		—		(32,116		)	(32,116		)
Revenue from external customers	426,261		431,663		107,793			965,717
Gross profit	33,972		66,583		3,267			103,822
Depreciation, depletion and amortization	8,244		7,224		10,860			26,328
Segment assets	150,113		253,646		327,310			731,069

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

A reconciliation of segment gross profit to consolidated income before provision for income taxes is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2015			2014			2015			2014
Total gross profit from reportable segments	$	65,768		$	82,415		$	105,877		$	103,822
Selling, general and administrative expenses	49,094			51,098			101,297			100,346
Gain on sales of property and equipment	(475		)	(2,993		)	(1,286		)	(3,886		)
Other expense	2,635			1,819			4,468			4,197
Income before provision for income taxes	$	14,514		$	32,491		$	1,398		$	3,165

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Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net Loss Attributable to Parent	$ 9,613	$ 13,641	$ 1,053	$ (6,913)
Weighted average common shares outstanding, basic	39,358,000	39,115,000	39,287,000	39,033,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	523,000	692,000	561,000	0	[1]
Weighted average common shares outstanding, diluted	39,881,000	39,807,000	39,848,000	39,033,000
Basic (in dollars per share)	$ 0.24	$ 0.35	$ 0.03	$ (0.18)
Diluted (in dollars per share)	$ 0.24	$ 0.34	$ 0.03	$ (0.18)
Antidilutive shares excluded from computation of diluted net loss				746,000

[1] 1Due to the net loss for the six months ended June 30, 2014, restricted stock units and common stock options representing approximately 746,000 shares have been excluded from the number of shares used in calculating diluted net loss per share, as their inclusion would be antidilutive.

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Business Segment Information

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Business Segment Information

Business Segment Information

Our reportable segments are: Construction, Large Project Construction and Construction Materials. 

The Construction segment performs various construction projects with a large portion of the work focused on new construction and improvement of streets, roads, highways, bridges, site work, underground, power-related facilities, utilities and other infrastructure projects. These projects are typically bid-build projects completed within two years with a contract value of less than $75 million.

The Large Project Construction segment focuses on large, complex infrastructure projects which typically have a longer duration than our Construction segment work. These projects include major highways, mass transit facilities, bridges, tunnels, waterway locks and dams, pipelines, canals, power-related facilities, utilities and airport infrastructure. This segment primarily includes bid-build, design-build, and construction management/general contractor contracts, together with various contract methods relating to Public Private Partnerships, generally with contract values in excess of $75 million.

The Construction Materials segment mines and processes aggregates and operates plants that produce construction materials for internal use and for sale to third parties. In addition, the Construction Materials segment includes real estate investment activity that was not material for any of the periods presented.

The accounting policies of the segments are the same as those described in the Summary of Significant Accounting Policies contained in our 2014 Annual Report on Form 10-K, except as disclosed in Note 1. We evaluate segment performance based on gross profit or loss, and do not include selling, general and administrative expenses and non-operating income or expense. Segment assets include property and equipment, intangibles, goodwill, inventory and equity in construction joint ventures.

Summarized segment information is as follows (in thousands):

	Three Months Ended June 30,
	Construction		Large Project Construction		Construction Materials			Total
2015
Total revenue from reportable segments	$	305,605	$	182,893	$	113,449		$	601,947
Elimination of intersegment revenue	—		—		(32,705		)	(32,705		)
Revenue from external customers	305,605		182,893		80,744			569,242
Gross profit	40,062		14,773		10,933			65,768
Depreciation, depletion and amortization	4,866		2,359		5,575			12,800
2014
Total revenue from reportable segments	$	269,220	$	244,328	$	97,800		$	611,348
Elimination of intersegment revenue	—		—		(25,478		)	(25,478		)
Revenue from external customers	269,220		244,328		72,322			585,870
Gross profit	24,827		50,792		6,796			82,415
Depreciation, depletion and amortization	4,229		4,020		5,512			13,761

	Six Months Ended June 30,
	Construction		Large Project Construction		Construction Materials			Total
2015
Total revenue from reportable segments	$	494,125	$	373,198	$	167,149		$	1,034,472
Elimination of intersegment revenue	—		—		(44,981		)	(44,981		)
Revenue from external customers	494,125		373,198		122,168			989,491
Gross profit	61,737		32,544		11,596			105,877
Depreciation, depletion and amortization	9,558		5,003		11,007			25,568
Segment assets	143,139		265,124		308,207			716,470
2014
Total revenue from reportable segments	$	426,261	$	431,663	$	139,909		$	997,833
Elimination of intersegment revenue	—		—		(32,116		)	(32,116		)
Revenue from external customers	426,261		431,663		107,793			965,717
Gross profit	33,972		66,583		3,267			103,822
Depreciation, depletion and amortization	8,244		7,224		10,860			26,328
Segment assets	150,113		253,646		327,310			731,069

A reconciliation of segment gross profit to consolidated income before provision for income taxes is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2015			2014			2015			2014
Total gross profit from reportable segments	$	65,768		$	82,415		$	105,877		$	103,822
Selling, general and administrative expenses	49,094			51,098			101,297			100,346
Gain on sales of property and equipment	(475		)	(2,993		)	(1,286		)	(3,886		)
Other expense	2,635			1,819			4,468			4,197
Income before provision for income taxes	$	14,514		$	32,491		$	1,398		$	3,165

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Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following tables summarize significant assets and liabilities measured at fair value in the condensed consolidated balance sheets on a recurring basis for each of the fair value levels (in thousands):

	Fair Value Measurement at Reporting Date Using
June 30, 2015	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	23,975	$	—	$	—	$	23,975
Total assets	$	23,975	$	—	$	—	$	23,975

	Fair Value Measurement at Reporting Date Using
December 31, 2014	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	60,618	$	—	$	—	$	60,618
Total assets	$	60,618	$	—	$	—	$	60,618

	Fair Value Measurement at Reporting Date Using
June 30, 2014	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	31,583	$	—	$	—	$	31,583
Total assets	$	31,583	$	—	$	—	$	31,583

Schedule of Cash and Cash Equivalents [Table Text Block]

A reconciliation of cash equivalents to consolidated cash and cash equivalents is as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Cash equivalents	$	23,975	$	60,618	$	31,583
Cash	164,172		195,343		114,875
Total cash and cash equivalents	$	188,147	$	255,961	$	146,458

Fair Value Measurements, Nonrecurring [Table Text Block]

The carrying values and estimated fair values of our financial instruments that are not required to be recorded at fair value in the condensed consolidated balance sheets are as follows: 

		June 30, 2015				December 31, 2014				June 30, 2014
(in thousands)	Fair Value Hierarchy	Carrying Value		Fair Value		Carrying Value		Fair Value		Carrying Value		Fair Value
Assets:
Held-to-maturity marketable securities	Level 1	$	88,068	$	88,075	$	102,067	$	101,808	$	112,132	$	111,999
Liabilities (including current maturities):
Senior notes payable1	Level 3	$	200,000	$	212,648	$	200,000	$	220,226	$	200,000	$	222,920
Credit Agreement loan1	Level 3	70,000		69,387		70,000		70,153		70,000		69,781

¹The fair values of the senior notes payable and Credit Agreement (defined in Note 11) loan are based on borrowing rates available to us for long-term loans with similar terms, average maturities, and credit risk.

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Intangible Assets - Finite Lived Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Total amortized intangible assets, Gross Value	$ 48,570	$ 48,570	$ 48,570	$ 48,570	$ 48,570
Total amortized intangible assets, Accumulated Amortization	(27,575)	(25,367)	(27,575)	(25,367)	(26,454)
Total amortized intangible assets, Net Value	20,995	23,203	20,995	23,203	22,116
Amortization expense	500	600	1,100	1,200
Future amortization expense, Remainder of Fiscal Year	1,400		1,400
Future amortization expense, Year One	1,800		1,800
Future amortization expense, Year Two	1,700		1,700
Future amortization expense, Year Three	1,700		1,700
Future amortization expense, Year Four	1,700		1,700
Future amortization expense, after Year Four	12,700		12,700
Permits [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortized intangible assets, Gross Value	29,713	29,713	29,713	29,713	29,713
Total amortized intangible assets, Accumulated Amortization	(13,677)	(12,554)	(13,677)	(12,554)	(13,115)
Total amortized intangible assets, Net Value	16,036	17,159	16,036	17,159	16,598
Order or Production Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortized intangible assets, Gross Value	7,900	7,900	7,900	7,900	7,900
Total amortized intangible assets, Accumulated Amortization	(7,459)	(7,102)	(7,459)	(7,102)	(7,263)
Total amortized intangible assets, Net Value	441	798	441	798	637
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortized intangible assets, Gross Value	4,398	4,398	4,398	4,398	4,398
Total amortized intangible assets, Accumulated Amortization	(2,931)	(2,638)	(2,931)	(2,638)	(2,785)
Total amortized intangible assets, Net Value	1,467	1,760	1,467	1,760	1,613
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortized intangible assets, Gross Value	4,100	4,100	4,100	4,100	4,100
Total amortized intangible assets, Accumulated Amortization	(1,079)	(647)	(1,079)	(647)	(863)
Total amortized intangible assets, Net Value	3,021	3,453	3,021	3,453	3,237
Covenants not to compete [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortized intangible assets, Gross Value	2,459	2,459	2,459	2,459	2,459
Total amortized intangible assets, Accumulated Amortization	(2,429)	(2,426)	(2,429)	(2,426)	(2,428)
Total amortized intangible assets, Net Value	$ 30	$ 33	$ 30	$ 33	$ 31

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Fair Value Measurement - Carrying and Fair Value Amounts (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative, Notional Amount		$ 100,000		$ 100,000
Senior Notes		200,000	$ 200,000	200,000	$ 200,000	$ 200,000
Line of Credit Facility, Amount Outstanding		70,000	70,000	70,000	70,000	70,000
Derivative Asset		900	600	900	600	300
Derivative Liability		1,600	100	1,600	100	1,700
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity Securities, Fair Value Disclosure current and long-term		88,075	111,999	88,075	111,999	101,808
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes Payable, Fair Value Disclosure	[1]	212,648	222,920	212,648	222,920	220,226
Line of Credit Facility, Amount Outstanding	[1]	$ 69,387	69,781	$ 69,387	69,781	70,153
Notes Payable to Banks [Member] | Institutional Group Two [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		6.11%		6.11%
London Interbank Offered Rate (LIBOR) [Member] | Notes Payable to Banks [Member] | Institutional Group Two [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative, Variable Interest Rate		4.15%		4.15%
Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, Fair Value Disclosure		$ 23,975	31,583	$ 23,975	31,583	60,618
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, Fair Value Disclosure		23,975	31,583	23,975	31,583	60,618
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, Fair Value Disclosure		0	0	0	0	0
Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents		23,975	31,583	23,975	31,583	60,618
Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents		23,975	60,618	23,975	60,618	31,583
Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents		0	0	0	0	$ 0
Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net gain (loss) on derivative		$ (100)	$ 1,200	1,300	$ 900
Commodity Contract [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net gain (loss) on derivative				$ (100)

[1] 1The fair values of the senior notes payable and Credit Agreement (defined in Note 11) loan are based on borrowing rates available to us for long-term loans with similar terms, average maturities, and credit risk.

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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue
Construction	$ 305,605	$ 269,220	$ 494,125	$ 426,261
Large Project Construction	182,893	244,328	373,198	431,663
Construction Materials	80,744	72,322	122,168	107,793
Total revenue	569,242	585,870	989,491	965,717
Cost of revenue
Construction	265,543	244,393	432,388	392,289
Large Project Construction	168,120	193,536	340,654	365,080
Construction Materials	69,811	65,526	110,572	104,526
Total cost of revenue	503,474	503,455	883,614	861,895
Gross profit	65,768	82,415	105,877	103,822
Selling, general and administrative expenses	49,094	51,098	101,297	100,346
Gain on sales of property and equipment	(475)	(2,993)	(1,286)	(3,886)
Operating income	17,149	34,310	5,866	7,362
Other (income) expense
Interest income	(528)	(413)	(970)	(893)
Interest expense	3,985	4,339	7,481	7,937
Equity in income of affiliates	(670)	(410)	(607)	(1,202)
Other income, net	(152)	(1,697)	(1,436)	(1,645)
Total other expense	2,635	1,819	4,468	4,197
Income before provision for income taxes	14,514	32,491	1,398	3,165
Provision for income taxes	4,975	10,284	469	2,220
Net income	9,539	22,207	929	945
Amount attributable to non-controlling interests	74	(8,566)	124	(7,858)
Net income (loss) attributable to Granite Construction Incorporated	$ 9,613	$ 13,641	$ 1,053	$ (6,913)
Net income (loss) per share attributable to common shareholders (see Note 12)
Basic (in dollars per share)	$ 0.24	$ 0.35	$ 0.03	$ (0.18)
Diluted (in dollars per share)	$ 0.24	$ 0.34	$ 0.03	$ (0.18)
Weighted average shares of common stock
Weighted average common shares outstanding, basic	39,358	39,115	39,287	39,033
Weighted average common shares outstanding, diluted	39,881	39,807	39,848	39,033
Dividends per common share (in US$ per share)	$ 0.13	$ 0.13	$ 0.26	$ 0.26

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Marketable Securities

6 Months Ended

Jun. 30, 2015

Marketable Securities [Abstract]

Marketable Securities

Marketable Securities

All marketable securities were classified as held-to-maturity for the dates presented and the carrying amounts of held-to-maturity securities were as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
U.S. Government and agency obligations	$	7,573	$	10,511	$	7,906
Commercial paper	9,987		14,993		19,992
Total short-term marketable securities	17,560		25,504		27,898
U.S. Government and agency obligations	70,508		76,563		84,234
Total long-term marketable securities	70,508		76,563		84,234
Total marketable securities	$	88,068	$	102,067	$	112,132

Scheduled maturities of held-to-maturity investments were as follows:

(in thousands)	June 30, 2015
Due within one year	$	17,560
Due in one to five years	70,508
Total	$	88,068

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Receivables, Net (Tables)

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Receivables, net at June 30, 2015, December 31, 2014 and June 30, 2014 are as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Construction contracts:
Completed and in progress	$	229,861	$	191,094	$	237,870
Retentions	77,955		84,760		69,678
Total construction contracts	307,816		275,854		307,548
Construction Material sales	49,064		28,549		48,932
Other	5,820		6,822		7,677
Total gross receivables	362,700		311,225		364,157
Less: allowance for doubtful accounts	364		291		543
Total net receivables	$	362,336	$	310,934	$	363,614

Schedule Of Escrow and Non Escrow Retention Receivable [Table Text Block]

We segregate our retention receivables into two categories: escrow and non-escrow. The balances in each category were as follows:

(in thousands)	June 30, 2015		December 31, 2014		June 30, 2014
Escrow	$	22,381	$	28,692	$	25,093
Non-escrow	55,574		56,068		44,585
Total retention receivables	$	77,955	$	84,760	$	69,678

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Marketable Securities - Maturities of Held to Maturity Investments (Details) $ in Thousands	Jun. 30, 2015 USD ($)
Marketable Securities [Abstract]
Held-to-maturity investments, maturities due within one year	$ 17,560
Held-to-maturity investments, maturities due in one to five years	70,508
Held-to-maturity investments, total maturities due	$ 88,068

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Legal Proceedings

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Legal Proceedings

Legal Proceedings

In the ordinary course of business, we and our affiliates are involved in various legal proceedings alleging, among other things, public liability issues or breach of contract or tortious conduct in connection with the performance of services and/or materials provided, the various outcomes of which cannot be predicted with certainty. We and our affiliates are also subject to government inquiries in the ordinary course of business seeking information concerning our compliance with government construction contracting requirements and various laws and regulations, the outcomes of which cannot be predicted with certainty.

Some of the matters in which we or our joint ventures and affiliates are involved may involve compensatory, punitive, or other claims or sanctions that, if granted, could require us to pay damages or make other expenditures in amounts that are not probable to be incurred or cannot currently be reasonably estimated. In addition, in some circumstances our government contracts could be terminated, we could be suspended, debarred or incur other administrative penalties or sanctions, or payment of our costs could be disallowed. While any of our pending legal proceedings may be subject to early resolution as a result of our ongoing efforts to settle, whether or when any legal proceeding will be resolved through settlement is neither predictable nor guaranteed.

Accordingly, it is possible that future developments in such proceedings and inquiries could require us to (i) adjust existing accruals, or (ii) record new accruals that we did not originally believe to be probable or that could not be reasonably estimated. Such changes could be material to our financial condition, results of operations and/or cash flows in any particular reporting period. In addition to matters that are considered probable for which the loss can be reasonably estimated, we also disclose certain matters where the loss is considered reasonably possible and is reasonably estimable.

Liabilities relating to legal proceedings and government inquiries, to the extent that we have concluded such liabilities are probable and the amounts of such liabilities are reasonably estimable, are recorded in our condensed consolidated balance sheets. The aggregate liabilities recorded as of June 30, 2015, December 31, 2014 and June 30, 2014 related to these matters were approximately $9.5 million, $9.7 million and $9.9 million, respectively, and were primarily included in accrued expenses and other current liabilities. The aggregate range of possible loss related to (i) matters considered reasonably possible, and (ii) reasonably possible amounts in excess of accrued losses recorded for probable loss contingencies, was zero to $0.7 million as of June 30, 2015. Our view as to such matters could change in future periods.

Investigation Related to Grand Avenue Project Disadvantaged Business Enterprise (“DBE”) Issues: On March 6, 2009, the U.S. Department of Transportation, Office of Inspector General served upon our wholly-owned subsidiary, Granite Construction Northeast, Inc. (“Granite Northeast”), a United States District Court, Eastern District of New York Grand Jury subpoena to produce documents. The subpoena sought all documents pertaining to the use of a DBE firm (the “Subcontractor”), and the Subcontractor’s use of a non-DBE subcontractor/consultant, on the Grand Avenue Bus Depot and Central Maintenance Facility for the Borough of Queens Project (the “Grand Avenue Project”), a Granite Northeast project, that began in 2004 and was substantially complete in 2008. The subpoena also sought any documents regarding the use of the Subcontractor as a DBE on any other projects and any other documents related to the Subcontractor or to the subcontractor/consultant. Granite Northeast produced the requested documents, together with other requested information. Subsequently, Granite Northeast was informed by the Department of Justice (“DOJ”) that it is a subject of an investigation, along with others, and that the DOJ believes that Granite Northeast’s claim of DBE credit for the Subcontractor was improper. In addition to the documents produced in response to the Grand Jury subpoena, Granite Northeast has provided requested information to the DOJ, along with other federal and state agencies (collectively the “Agencies”), concerning other DBE entities for which Granite Northeast has historically claimed DBE credit. The Agencies have informed Granite Northeast that they believe that the claimed DBE credit taken for some of those other DBE entities was improper. Granite Northeast has met several times since January 2013 with the DOJ and the Agencies’ representatives to discuss the government’s criminal investigation of the Grand Avenue Project participants, including Granite Northeast, and to discuss their respective positions on, and potential resolution of, the issues raised in the investigation. In connection with this investigation, Granite Northeast is subject to potential civil, criminal, and/or administrative penalties or sanctions, as well as additional future DBE compliance activities and the costs associated therewith. Granite believes that the incurrence of some form of penalty or sanction is probable, and has therefore recorded what it believes to be the most likely amount of liability it may incur in its condensed consolidated balance sheet as of June 30, 2015. The resolution of the matters under investigation could have additional consequences that could have a material adverse effect on our financial position, results of operations and/or liquidity.