Inventories and natural gas in storage (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of:

	June 30, 2016		June 30, 2015		December 31, 2015
	(In thousands)
Aggregates held for resale	$	130,544	$	123,457	$	115,854
Asphalt oil	42,591		79,422		36,498
Natural gas in storage (current)	19,689		11,310		21,023
Materials and supplies	20,765		22,594		16,997
Merchandise for resale	18,439		16,140		15,318
Other	33,821		37,316		34,861
Total	$	265,849	$	290,239	$	240,551