XML 42 R31.htm IDEA: XBRL DOCUMENT v3.4.0.3
Inventories (Tables)
 3 Months Ended
Mar. 31, 2016
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories at March 31, 2016 and December 31, 2015 were as follows (in thousands):
 
March 31,
 
December 31,
 
2016
 
2015
Pipe and connectors
$
131,542

 
$
137,245

Finished goods
3,959

 
4,020

Work in progress
5,492

 
5,230

Raw materials, components and supplies
15,234

 
14,768

Total inventories
$
156,227

 
$
161,263