Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations (Income Statement of Discontinued Operations) (Details)

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Discontinued Operations (Income Statement of Discontinued Operations) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
(Loss) income from discontinued operations, net of tax $ (540) $ 1,913 $ 1,535 $ 2,732
Gregory Mountain Products, Inc. [Member]
       
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Sales 8,502 9,693 18,609 20,076
Income before income tax 622 2,896 2,442 5,257
Income tax expense 1,162 983 907 2,525
(Loss) income from discontinued operations, net of tax $ (540) $ 1,913 $ 1,535 $ 2,732