Financial Instruments and Risk Management (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 24, 2012	Mar. 26, 2011
Financial Instruments and Risk Management (Textual) [Abstract]
Liabilities related to the fair value of the Company's foreign exchange contracts	$ 1,067	$ 3,105
Notional amount of foreign exchange contracts	102,090	111,743
Range of maturities for foreign exchange contracts	336 days	336 days
Net gain (loss) related to the effective portion of foreign exchange contracts recorded in accumulated other comprehensive income (loss)	1,073	1,000
Gain (loss) reclassified from accumulated other comprehensive income (loss) into costs of goods sold related to the effective portion of foreign exchange contracts designated as cash flow hedges	$ 449	$ 1,000

Change in the balance sheet adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity for the period being reported, net of tax. If an entity's functional currency is a foreign currency, translation adjustments result from the process of translating that entity's financial statements into the reporting currency. Includes gain (loss) on foreign currency forward exchange contracts. Includes 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. Includes the gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) and that have been designated and have qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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+ Details