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Infringement of patents owned by company.

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Prohibition from participating in competitive activities in years.

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This element represents the expenses incurred by the entity which are directly related and attributable to receiving an award in settlement of litigation.

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The payments made in the period which reduced loss contingency liabilities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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The amount of consideration to which the entity agreed to pay in a settlement agreement which resolved the legal matter.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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Commitments and Contingencies (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010	Dec. 29, 2007 Patent
Commitments and Contingencies (Textual) [Abstract]
Infringement of patents owned by company				2
Prohibition from participating in competitive activities in years				5 years
Cumulative litigation and settlement-related expenditures				$ 3.0
Obligations of cash payment				0.4 million through 2012
Contingent payments	0.1
Rental expense under operating leases	$ 4.1	$ 3.7	$ 3.9