Benefit Plans (Details Textual) (USD $) In Millions, unless otherwise specified	Jul. 01, 2012	Jan. 01, 2012
Benefit Plans (Textual) [Abstract]
Long-term portion of the pension liability	$ 17.4	$ 16.7

This represents the noncurrent liability recognized in the balance sheet that is associated with the defined benefit pension plans.

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

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-Name Accounting Standards Codification

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-Name Statement of Financial Accounting Standard (FAS)

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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+ Details