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Unaudited Pro forma Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Business Combination, Pro Forma Information [Line Items] |  |
Sales | $ 342,478 | $ 357,247
Income from continuing operations, net of tax | $ 9,121 | $ 24,370
Earnings per share from continuing operations-Basic | $ 0.27 | $ 0.72
Earnings per share from continuing operations-Diluted | $ 0.26 | $ 0.72

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