Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Changes In Accumulated Other Comprehensive Loss, Net Of Tax

Changes in accumulated other comprehensive loss, net of tax, are as follows:

	Three Months Ended June 30, 2012
		(Dollars in Thousands)
	Pension and Postretirement Benefit Plans			Foreign Currency			Unamortized Value of Terminated Forward Starting Interest Rate Swap			Accumulated Other Comprehensive Loss
Balance at beginning of period	$	(82,656	)	$	5,275		$	(4,610	)	$	(81,991	)
Other comprehensive earnings (loss), net of tax		1,249			(53	)		155			1,351
Balance at end of period	$	(81,407	)	$	5,222		$	(4,455	)	$	(80,640	)

	Six Months Ended June 30, 2012
	(Dollars in Thousands)
		Pension and Postretirement Benefit Plans			Foreign Currency		Unamortized Value of Terminated Forward Starting Interest Rate Swap			Accumulated Other Comprehensive Loss
Balance at beginning of period	$	(84,204	)	$	5,076	$	(4,762	)	$	(83,890	)
Other comprehensive earnings, net of tax		2,797			146		307			3,250
Balance at end of period	$	(81,407	)	$	5,222	$	(4,455	)	$	(80,640	)

Noncurrent Deferred Tax Assets Recorded In Accumulated Other Comprehensive Loss

Changes in net noncurrent deferred tax assets recorded in accumulated other comprehensive loss are as follows:

	Three Months Ended June 30, 2012
		(Dollars in Thousands)
		Pension and Postretirement Benefit Plans			Unamortized Value of Terminated Forward Starting Interest Rate Swap			Net Noncurrent Deferred Tax Assets
Balance at beginning of period	$	54,148		$	3,017		$	57,165
Tax effect of other comprehensive earnings		(820	)		(102	)		(922	)
Balance at end of period	$	53,328		$	2,915		$	56,243

	Six Months Ended June 30, 2012
		(Dollars in Thousands)
		Pension and Postretirement Benefit Plans			Unamortized Value of Terminated Forward Starting Interest Rate Swap			Net Noncurrent Deferred Tax Assets
Balance at beginning of period	$	55,161		$	3,116		$	58,277
Tax effect of other comprehensive earnings		(1,833	)		(201	)		(2,034	)
Balance at end of period	$	53,328		$	2,915		$	56,243

Comprehensive earnings attributable to noncontrolling interests consist of net earnings and adjustments for the funding

status of pension and postretirement benefit plans as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
	(Dollars in Thousands)
Net earnings (loss) attributable to     noncontrolling interests	$	1,057	$	55	$	116	$	(227	)
Other comprehensive earnings, net of tax		3		1		6		2
Consolidated comprehensive earnings (loss) attributable to noncontrolling interests	$	1,060	$	56	$	122	$	(225	)

Basic And Diluted Earnings (Loss) Per Common Share

The following table reconciles the numerator and denominator for basic and diluted earnings (loss) per common share:

		Three Months Ended June 30,					Six Months Ended June 30,
		2012		2011			2012			2011
		(In Thousands)
Net earnings from continuing operations attributable to Martin Marietta Materials, Inc.	$	36,435	$	36,751		$	296		$	20,793
Less: Distributed and undistributed earnings attributable to unvested awards		232		298			242			313
Basic and diluted net earnings available to common shareholders from continuing operations attributable to Martin Marietta Materials, Inc.		36,203		36,453			54			20,480
Basic and diluted net earnings (loss) available to common shareholders from discontinued operations		316		(952	)		(278	)		(2,408	)
Basic and diluted net earnings (loss) available to common shareholders attributable to Martin Marietta Materials, Inc.	$	36,519	$	35,501		$	(224	)	$	18,072
Basic weighted-average common shares outstanding		45,781		45,628			45,757			45,606
Effect of dilutive employee and director awards		124		166			—			168
Diluted weighted-average common shares outstanding		45,905		45,794			45,757			45,774

Parent

Comprehensive Earnings Attributable to Martin Marietta Materials Inc

Comprehensive earnings attributable to Martin Marietta Materials Inc. consist of the following:

	Three Months Ended June  30,				Six Months Ended June  30,
	2012		2011		2012		2011
		(Dollars in Thousands)
Net earnings attributable to Martin     Marietta Materials Inc.	$	36,751	$	35,799	$	18	$	18,385
Other comprehensive earnings, net of tax		1,351		5,246		3,250		4,341
Consolidated comprehensive     earnings attributable to Martin     Marietta Materials Inc.	$	38,102	$	41,045	$	3,268	$	22,726

Noncontrolling Interest

Comprehensive Earnings Attributable to Martin Marietta Materials Inc

Comprehensive earnings attributable to noncontrolling interests consist of net earnings and adjustments for the funding

status of pension and postretirement benefit plans as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
	(Dollars in Thousands)
Net earnings (loss) attributable to     noncontrolling interests	$	1,057	$	55	$	116	$	(227	)
Other comprehensive earnings, net of tax		3		1		6		2
Consolidated comprehensive earnings (loss) attributable to noncontrolling interests	$	1,060	$	56	$	122	$	(225	)