Inventories and natural gas in storage (Tables)

3 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of:

	March 31, 2014		March 31, 2013		December 31, 2013
	(In thousands)
Aggregates held for resale	$	104,106	$	98,120	$	101,568
Asphalt oil	66,292		94,332		38,099
Materials and supplies	68,809		75,868		69,808
Merchandise for resale	22,463		24,342		21,720
Natural gas in storage (current)	6,129		12,811		16,417
Other	33,533		29,399		34,779
Total	$	301,332	$	334,872	$	282,391