Property, Plant And Equipment (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

	Lives (Years)		2012		2011
Quarry land		$	2,004,549	$	2,004,549
Other land			8,659,314		8,611,090
Buildings and improvements	15 – 39		32,438,770		32,308,167
Cement manufacturing equipment	15 – 25		128,656,859		125,998,453
Ancillary equipment	5 – 10		13,371,257		13,279,851
Ready-mix and concrete production
machinery and equipment	5 – 15		36,169,037		35,550,946
Transportation and mobile equipment	3 –   7		44,353,311		43,355,665
Office machinery, equipment,
furniture and fixtures	3 – 10		3,051,858		2,897,792
Construction in process			7,583,428		5,140,496
		$	276,288,383	$	269,147,009
Less: Accumulated depreciation and depletion			193,109,379		182,427,598
		$	83,179,004	$	86,719,411