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Shareholders' Equity (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 9 Months Ended | 9 Months Ended | ||||||||||
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Sep. 29, 2012
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Oct. 01, 2011
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Sep. 29, 2012
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Oct. 01, 2011
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Sep. 29, 2012
Common Class B [Member]
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Dec. 31, 2011
Common Class B [Member]
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Sep. 29, 2012
Common Stock [Member]
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Sep. 29, 2012
Common Stock [Member]
Common Class B [Member]
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Sep. 29, 2012
Additional Paid-in Capital [Member]
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Sep. 29, 2012
Accumulated Other Comprehensive Income (Loss) [Member]
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Sep. 29, 2012
Retained Earnings [Member]
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Sep. 29, 2012
Treasury Stock [Member]
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Sep. 29, 2012
Treasury Stock [Member]
Common Class B [Member]
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| Summary of changes in shareholders' equity | |||||||||||||
| Shares Authorized | 5,000,000 | 20,000,000 | |||||||||||
| Share Par Value | $ 0.01 | $ 0.01 | |||||||||||
| Beginning of Period | $ 102,863 | $ 147 | $ 19,260 | $ (886) | $ 86,622 | $ (2,281) | |||||||
| Beginning of Period, Shares | 9,502,279 | 4,352,007 | 4,708,314 | 9,680,825 | 5,058,109 | (178,546) | (349,795) | ||||||
| Conversion of Class B Shares to Common Shares | 390,589 | (390,589) | |||||||||||
| Stock Compensation Expense | 1,078 | 807 | 1,078 | ||||||||||
| Exercise of Stock Options Value | 1 | 596 | |||||||||||
| Exercise of Stock Options Shares | 44,874 | 34,282 | |||||||||||
| Foreign Currency Translation Adjustment | 258 | (394) | 251 | (191) | 251 | ||||||||
| Mark to Market Adjustment for Derivatives | 26 | 9 | 76 | 45 | 76 | ||||||||
| Retirement Liability Adjustment | (139) | (24) | 3,448 | (69) | (3,448) | ||||||||
| Net Income | 4,930 | 6,665 | 16,219 | 16,422 | 16,219 | ||||||||
| Purchase (disposal) Value | 0 | ||||||||||||
| Purchase (disposal) Shares | 0 | 0 | |||||||||||
| End of Period | $ 117,635 | $ 117,635 | $ 148 | $ 20,934 | $ (4,007) | $ 102,841 | $ (2,281) | ||||||
| End of Period, shares | 9,937,742 | 9,937,742 | 4,352,007 | 4,708,314 | 10,116,288 | 4,701,802 | (178,546) | (349,795) | |||||
| X | ||||||||||
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- Definition
Treasury stock value issued acquisition. No definition available.
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| X | ||||||||||
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- Definition
Face amount or stated value of common stock per share; generally not indicative of the fair market value per share. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Net of tax and reclassification adjustments amount of the increase (decrease) in accumulated other comprehensive income (loss) related to pension and other postretirement benefit plans, attributable to the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Net of tax and reclassification adjustments amount of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Net of tax and reclassification adjustments of the change in the balance sheet adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity. Also includes the following: gain (loss) on foreign currency forward exchange contracts; foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; and gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) that has been designated and qualified as a hedging instrument for hedging of the foreign currency exposure of a net investment in a foreign operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares issued during the period as a result of the conversion of convertible securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Value of stock issued as a result of the exercise of stock options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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