Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2011

Segment Reporting [Abstract]

Segment Financial Disclosure

SEGMENT FINANCIAL DISCLOSURE

	Three Months Ended						Six Months Ended
	June 30						June 30
in millions	2011			2010			2011			2010
Total Revenues
Aggregates 1
Segment revenues		$478.4			$513.9			$810.1			$855.2
Intersegment sales		(39.5	)		(42.4	)		(69.3	)		(74.5	)
Net sales		438.9			471.5			740.8			780.7
Concrete 2
Segment revenues		98.2			105.0			180.4			188.0
Intersegment sales		0.0			0.0			0.0			0.0
Net sales		98.2			105.0			180.4			188.0
Asphalt mix
Segment revenues		110.9			103.5			175.5			166.5
Intersegment sales		0.0			0.0			0.0			0.0
Net sales		110.9			103.5			175.5			166.5
Cement 3
Segment revenues		16.8			22.9			33.4			40.8
Intersegment sales		(7.3	)		(10.1	)		(16.3	)		(18.7	)
Net sales		9.5			12.8			17.1			22.1
Total
Net sales		657.5			692.8			1,113.8			1,157.3
Delivery revenues		44.5			43.4			75.4			72.1
Total revenues		$702.0			$736.2			$1,189.2			$1,229.4
Gross Profit
Aggregates		$102.8			$122.0			$113.6			$137.4
Concrete		(9.0	)		(5.6	)		(23.4	)		(21.7	)
Asphalt mix		8.3			7.3			8.1			8.3
Cement		(1.3	)		(1.4	)		(4.6	)		(0.8	)
Total		$100.8			$122.3			$93.7			$123.2
Depreciation, Depletion, Accretion and Amortization
Aggregates		$71.1			$74.9			$141.2			$148.1
Concrete		13.2			13.4			26.2			26.4
Asphalt mix		2.0			2.3			3.9			4.5
Cement		4.7			5.2			9.1			9.6
Corporate and other unallocated		1.1			1.5			2.3			2.9
Total		$92.1			$97.3			$182.7			$191.5

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.