Inventories and natural gas in storage (Tables)

6 Months Ended

Jun. 30, 2012

Inventories and natural gas in storage [Abstract]

Inventories

Inventories consisted of:

	June 30, 2012		June 30, 2011		December 31, 2011
	(In thousands)
Aggregates held for resale	$	90,992	$	82,936	$	78,518
Asphalt oil	81,915		55,729		32,335
Materials and supplies	72,321		65,363		61,611
Merchandise for resale	30,417		33,435		32,165
Natural gas in storage (current)	26,216		11,993		36,578
Other	31,531		27,871		32,998
Total	$	333,392	$	277,327	$	274,205