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Discontinued Operations (Discontinued Operations' Operating Results) (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Disclosure Discontinued Operations Discontinued Operations Operating Results [Abstract]        
Net Sales $ 0 $ 13,274 $ 0 $ 25,544
Income from discontinued operations before income taxes 0 2,513 0 3,777
Provision for income taxes 0 880 0 1,321
Income from discontinued operations, net of income taxes $ 0 $ 1,633 $ 0 $ 2,456