Inventories and natural gas in storage (Tables)

9 Months Ended

Sep. 30, 2011

Inventories and natural gas in storage [Abstract]

Inventories

Inventories consisted of:

	September 30, 2011		September 30, 2010		December 31, 2010
	(In thousands)
Aggregates held for resale	$	80,868	$	82,622	$	79,894
Materials and supplies		64,988		62,273		57,324
Natural gas in storage (current)		39,629		40,133		34,557
Merchandise for resale		30,974		29,566		30,182
Asphalt oil		26,851		24,341		25,234
Other		26,259		22,745		25,706
Total	$	269,569	$	261,680	$	252,897