XML 46 R32.htm IDEA: XBRL DOCUMENT v3.8.0.1
Inventories and natural gas in storage (Tables)
9 Months Ended
Sep. 30, 2017
Inventory Disclosure [Abstract]  
Inventories Inventories consisted of:
 
September 30, 2017

September 30, 2016

December 31, 2016

 
(In thousands)
Aggregates held for resale
$
116,399

$
119,078

$
115,471

Natural gas in storage (current)
29,974

35,625

25,761

Asphalt oil
26,682

23,480

29,103

Materials and supplies
20,778

18,584

18,372

Merchandise for resale
15,346

15,672

16,437

Other
23,376

33,351

33,129

Total
$
232,555

$
245,790

$
238,273