Consolidated Statements of Earnings and Comprehensive Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net Sales	$ 379,678	$ 344,059
Freight and delivery revenues	48,951	39,850
Total revenues	428,629	383,909
Cost of sales	353,843	331,238
Freight and delivery costs	48,951	39,850
Total cost of revenues	402,794	371,088
Gross Profit	25,835	12,821
Selling, general & administrative expenses	34,247	37,648
Business development expenses	9,512	307
Other operating (income), net	(2,026)	(1,814)
Loss from Operations	(15,898)	(23,320)
Interest expense	12,201	13,496
Other nonoperating expenses, net	3,463	623
Loss from continuing operations before taxes on income	(31,562)	(37,439)
Income tax benefit	(8,424)	(8,398)
Loss from Continuing Operations	(23,138)	(29,041)
Loss on discontinued operations, net of related tax benefit of $1 and $76, respectively	(15)	(288)
Consolidated net loss	(23,153)	(29,329)
Less: Net loss attributable to noncontrolling interests	(1,535)	(1,490)
Net Loss Attributable to Martin Marietta Materials, Inc.	(21,618)	(27,839)
Net Loss Attributable to Martin Marietta Materials, Inc.
Loss from continuing operations	(21,603)	(27,551)
Loss from discontinued operations	(15)	(288)
Net Loss Attributable to Martin Marietta Materials, Inc.	(21,618)	(27,839)
Consolidated Comprehensive Loss: (See Note 1)
Comprehensive loss attributable to Martin Marietta Materials, Inc.	(20,248)	(26,618)
Loss attributable to noncontrolling interests	(1,534)	(1,488)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (21,782)	$ (28,106)
Net Loss Attributable to Martin Marietta Materials, Inc. Per Common Share:
Basic from continuing operations attributable to common shareholders	$ (0.47)	$ (0.60)
Discontinued operations attributable to common shareholders		$ (0.01)
Earnings Per Share, Basic, Total	$ (0.47)	$ (0.61)
Diluted from continuing operations attributable to common shareholders	$ (0.47)	$ (0.60)
Discontinued operations attributable to common shareholders		$ (0.01)
Earnings Per Share, Diluted, Total	$ (0.47)	$ (0.61)
Weighted-Average Common Shares Outstanding:
Basic and Diluted	46,315	46,028
Cash Dividends Per Common Share	$ 0.40	$ 0.40