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Discontinued Operations
 12 Months Ended
Dec. 31, 2016
Discontinued Operations and Disposal Groups [Abstract]  
Discontinued Operations
DISCONTINUED OPERATIONS
On February 12, 2008, the Company sold its aluminum extrusions business in Canada for $25.0 million. In 2014, accruals for indemnifications under the purchase agreement related to environmental matters were adjusted, resulting in income from discontinued operations of $0.9 million ($0.9 million net of tax). The historical results for this business, including any subsequent adjustments for contractual indemnifications, have been reflected as discontinued operations; however, cash flows for discontinued operations have not been separately disclosed in the consolidated statements of cash flows.