Earnings Per Share - Earnings Per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 30, 2014	Mar. 31, 2013
Earnings Per Share [Abstract]
Earnings from continuing operations	$ 5,080	$ 2,987
Basic earnings per share from continuing operations, Shares	33,708	33,523
Equity-based compensation plans, Shares	572	653
Diluted earnings per share from continuing operations, Shares	34,280	34,176
Basic earnings per share from continuing operations	$ 0.15	$ 0.09
Diluted earnings per share from continuing operations	$ 0.15	$ 0.09

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest.

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The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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