Annual report pursuant to Section 13 and 15(d)

Discontinued Operations (Narrative) (Details)

v3.7.0.1
Discontinued Operations (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 07, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Proceeds from Divestiture of Interest in Consolidated Subsidiaries   $ (921) $ 60,875 $ 81,140
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax     8,436 39,491
Gregory Mountain Products, Inc. [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Disposal Group, Including Discontinued Operation, Consideration       84,135
Discontinued Operation, Transaction Fees       2,995
Proceeds from Divestiture of Interest in Consolidated Subsidiaries       81,140
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax       39,491
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation       19,424
Transition services   0 232 568
POC [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Disposal Group, Including Discontinued Operation, Consideration $ 63,639   63,639  
Discontinued Operation, Transaction Fees 2,946      
Cash sold 739      
Proceeds from Divestiture of Interest in Consolidated Subsidiaries $ 60,693      
Working capital adjustment   921    
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax     8,436  
Transition services   $ 324 $ 270 $ 0