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Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2016
Accounting Policies [Abstract]  
Summary of Inventories
 
December 31,
 
2016
 
2015
Finished goods
$
43,511

 
$
43,031

Work in process
32,839

 
32,863

Raw materials and supplies
70,099

 
73,751

 
$
146,449

 
$
149,645