Inventories and natural gas in storage (Tables)

6 Months Ended

Jun. 30, 2013

Inventories and natural gas in storage [Abstract]

Inventories

Inventories consisted of:

	June 30, 2013		June 30, 2012		December 31, 2012
	(In thousands)
Aggregates held for resale	$	103,503	$	90,992	$	87,715
Asphalt oil	91,837		81,915		67,480
Materials and supplies	74,648		72,321		69,390
Merchandise for resale	27,330		30,417		31,172
Natural gas in storage (current)	14,287		26,216		29,030
Other	34,280		31,531		32,628
Total	$	345,885	$	333,392	$	317,415