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Consolidated Statements of Income and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Income Statement [Abstract] |  |  |
Net sales | $ 373,206 | $ 370,084 | $ 424,691
Cost of products sold (exclusive of depreciation and amortization shown separately below) | 295,136 | 294,859 | 347,622
Selling, general and administrative | 33,281 | 31,561 | 30,657
Depreciation and amortization | 16,957 | 17,643 | 17,016
(Gain) loss on disposal of assets | 5 | (17) | (36)
Restructuring and impairment charges |  | 967 |
Income from operations | 27,827 | 25,071 | 29,432
Interest expense | 2,374 | 3,878 | 4,715
Other expense (income), net | 275 | 852 | (1,388)
Income before provision (benefit) for income taxes | 25,178 | 20,341 | 26,105
Provision (benefit) for income taxes | 8,000 | (3,927) | 5,168
Net income | 17,178 | 24,268 | 20,937
Other comprehensive income: |  |  |
Foreign currency translation gain (loss) | 3,899 | 2,806 | (2,578)
Comprehensive income | $ 21,077 | $ 27,074 | $ 18,359
Basic income per share: |  |  |
Net income | $ 1.00 | $ 1.43 | $ 1.24
Weighted average shares outstanding | 17,176 | 17,009 | 16,817
Diluted income per share: |  |  |
Net income | $ 1.00 | $ 1.42 | $ 1.24
Weighted average shares outstanding | 17,260 | 17,114 | 16,953
Cash dividends per common share | $ 0.18 | $ 0.00 | $ 0.00

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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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