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Inventories (Notes)
 9 Months Ended
Sep. 30, 2017
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
Inventories
In January 2017, the Company prospectively adopted the guidance per ASU 2015-11, “Simplifying the Measurement of Inventory.” The Company previously measured its inventory at the lower of cost or market with cost being determined by the first-in, first-out (“FIFO”) method. Based on the new guidance, the Company measures its inventory at the lower of cost or net realizable value with net realizable value being the estimated selling prices in the ordinary course of business, less reasonably predictable costs of completion, disposal, and transportation. The adoption of the guidance did not have a material impact on the Company’s condensed consolidated financial statements.
The following table summarizes the components of inventory:
 
September 30,
2017
 
December 31,
2016
Raw materials and supplies
$
98,226

 
$
65,719

Work in process
37,047

 
31,576

Finished goods
78,317

 
72,388

Total inventories, net
$
213,590

 
$
169,683


The allowances for excess and obsolete inventory was $8,525 and $10,069 at September 30, 2017 and December 31, 2016, respectively.