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Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Jan. 01, 2012 | Jan. 02, 2011
Income Taxes Additional (Textual) [Abstract] |  |  |
U.S federal income tax rate | 35.00% |  |
Valuation allowance related to deferred tax assets | $ 13.5 | $ 8.0 |
Increase in valuation allowance | 5.5 |  |
Accumulated undistributed earnings invested | 23.7 |  |
Additional taxes (net of foreign tax credits) | 0.5 |  |
Foreign operating losses carry forward | 16.0 |  |
State tax credits | 6.7 |  |
Deferred tax asset net of valuation allowance | 2.7 |  |
Unrecognized tax benefits, net | 17 |  |
Decrease in unrecognized tax benefits | 0.5 |  |
Recognized tax benefits that will reduce company's tax rate | 17 |  |
Tax exposure by sustaining disallowed deduction |  |  | 15.4
Interest and penalties recognized | 0 | 0 | (0.8)
Accrued income tax examination penalties and interest | 0.4 | 0.4 |
State and Local Jurisdiction [Member] |  |  |
Income Taxes (Textual) [Abstract] |  |  |
Federal net operating loss carryforwards | 110.9 |  |
Expiration date of operating loss carryforwards | 2013 |  |
Domestic Country [Member] |  |  |
Income Taxes (Textual) [Abstract] |  |  |
Federal net operating loss carryforwards | $ 37.0 |  |
Expiration date of operating loss carryforwards | 2022 |  |

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- Definition The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=6889476&loc=d3e330036-122817 + Details
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