Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2011

Segment Reporting [Abstract]

Segment Financial Disclosure

SEGMENT FINANCIAL DISCLOSURE

	Three Months Ended						Nine Months Ended
	September 30						September 30
in millions	2011			2010			2011			2010
Total Revenues
Aggregates 1
Segment revenues		$514.7			$514.3			$1,324.8			$1,369.5
Intersegment sales		(42.4	)		(44.8	)		(111.8	)		(119.2	)
Net sales		472.3			469.5			1,213.0			1,250.3
Concrete 2
Segment revenues		101.4			105.1			281.8			293.0
Intersegment sales		0.0			0.0			0.0			0.0
Net sales		101.4			105.1			281.8			293.0
Asphalt Mix
Segment revenues		128.9			115.8			304.4			282.3
Intersegment sales		0.0			0.0			0.0			0.0
Net sales		128.9			115.8			304.4			282.3
Cement 3
Segment revenues		19.1			20.3			52.5			61.2
Intersegment sales		(6.7	)		(10.9	)		(23.0	)		(29.7	)
Net sales		12.4			9.4			29.5			31.5
Total
Net sales		715.0			699.8			1,828.7			1,857.1
Delivery revenues		45.8			43.4			121.2			115.5
Total revenues		$760.8			$743.2			$1,949.9			$1,972.6
Gross Profit
Aggregates		$113.4			$125.2			$227.0			$262.5
Concrete		(8.9	)		(10.1	)		(32.3	)		(31.7	)
Asphalt Mix		12.3			13.4			20.4			21.8
Cement		(1.0	)		(1.8	)		(5.6	)		(2.6	)
Total		$115.8			$126.7			$209.5			$250.0
Depreciation, Depletion,
Accretion and Amortization
Aggregates		$70.3			$74.5			$211.5			$222.6
Concrete		13.1			13.6			39.3			40.1
Asphalt Mix		1.9			2.2			5.9			6.7
Cement		4.5			5.8			13.6			15.3
Corporate and other unallocated		1.1			1.6			3.4			4.5
Total		$90.9			$97.7			$273.7			$289.2

1	Includes crushed stone, sand and gravel, sand, other aggregates, as well as transportation and service revenues associated with the aggregates business.
2	Includes ready-mixed concrete, concrete block, precast concrete, as well as building materials purchased for resale.
3	Includes cement and calcium products.