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Inventories
6 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Inventories
2. Inventories
 
Inventories as of June 30, 2013 and December 31, 2012 were as follows:
 
 
 
 
June 30,
 
December 31,
 
In thousands
 
2013
 
2012
 
Raw materials
 
$
13,876
 
$
12,501
 
Work in process
 
 
15,865
 
 
12,800
 
Finished goods
 
 
9,848
 
 
10,549
 
 
 
 
39,589
 
 
35,850
 
Less: Progress billings
 
 
(1,924)
 
 
(4,558)
 
Total inventories
 
$
37,665
 
$
31,292
 
  
Included in work in process is gross tooling inventory of $ 10.1 million and $8.0 million at June 30, 2013 and December 31, 2012, respectively. Tooling inventory, net of progress billings, was $ 8.2 million and $3.5 million at June 30, 2013 and December 31, 2012, respectively.