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Disposition - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Mar. 31, 2015
Sep. 30, 2015
Sep. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net proceeds from sale of business   $ 33,703 $ 0
Certain EUSA Products [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Consideration $ 34,000    
Net proceeds from sale of business $ 33,000    
Certain EUSA Products [Member] | Selling, general and administrative [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Loss on disposal   $ 200