Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations (Narrative) (Details)

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Discontinued Operations (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Proceeds from Divestiture of Interest in Consolidated Subsidiaries     $ 81,140  
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax     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   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   39,491  
Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation 19,933      
Interest expense allocated to discontinued operations $ 35 $ 302 $ 636 $ 697