Other Operating (Income) Loss, Net and Foreign Currency (Gain) Loss, Net (Details Textual) (USD $)	1 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended
	Jan. 28, 2011	Jun. 30, 2012	Jul. 02, 2011	Jul. 02, 2011	Jun. 30, 2012
Other Operating (Income) Loss, Net and Foreign Currency (Gain) Loss, Net (Textual) [Abstract]
Other operating (income) loss, net	$ 600,000	$ (159,000)	$ 971,000	$ 1,200,000
Other operating (income) loss, net [Member]
Other Operating (Income) Loss, Net and Foreign Currency (Gain) Loss, Net (Textual) [Abstract]
Other operating (income) loss, associated with foreign currency gains	500,000	200,000	1,200,000	1,500,000	500,000
Other operating (income) loss, associated with customer licensing agreement	$ 100,000		$ 200,000	$ 300,000

The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes 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. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

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