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Stock-Based Compensation (Detail Textuals) (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended |  | 0 Months Ended | 1 Months Ended | 0 Months Ended | 1 Months Ended |
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Dec. 29, 2012 Stock options | Dec. 31, 2011 Stock options | Jan. 01, 2011 Stock options | Dec. 29, 2012 Stock options Maximum | Dec. 29, 2012 Restricted stock | Dec. 31, 2011 Restricted stock | Jan. 01, 2011 Restricted stock | Dec. 29, 2012 Restricted stock Minimum | Dec. 29, 2012 Restricted stock Maximum | Dec. 29, 2012 Restricted stock units (RSUs) | Dec. 31, 2011 Restricted stock units (RSUs) | Dec. 29, 2012 Long term equity incentive plan 2004 Stock options | Dec. 29, 2012 Long term equity incentive plan 2006 Stock options | Aug. 06, 2012 Long term equity incentive plan 2006 Restricted stock | Aug. 31, 2012 Long term equity incentive plan 2006 Restricted stock | Apr. 18, 2012 Long term equity incentive plan 2006 Restricted stock | Jan. 10, 2012 Long term equity incentive plan 2006 Restricted stock | Jan. 18, 2012 Long term equity incentive plan 2006 Restricted stock | Dec. 31, 2010 Long term equity incentive plan 2006 Performance share award 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares reserved for issuance |  |  |  |  |  |  |  |  |  |  |  | 2,222,222 | 12,200,000 |  |  |  |  |  |
Number of restricted stock issued during period |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,000 | 10,000 | 10,000 | 2,025,335 | 7,500 |
Total unrecognized compensation expense |  |  |  |  | $ 2.5 | $ 2.3 |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average term for compensation expense to be recognized |  |  |  |  | 1 year 4 months 24 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average remaining contractual term | 4 years 10 months 24 days | 5 years 10 months 24 days |  | 10 years | 1 year 3 months 18 days | 1 year 2 months 12 days |  | 1 year | 5 years |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense | 2.8 | 2.0 | 4.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax benefits offset by a valuation allowance | 1.1 | 0.8 | 1.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total fair value of options vested |  | 0.7 | 1.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of restricted stock units |  |  |  |  | $ 2.3 | $ 2.2 | $ 1.5 |  |  | $ 0.1 | $ 0.2 |  |  |  |  |  |  |  |
Closing price of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3.66

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- Definition The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References No definition available. + Details
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- Definition As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph h -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. + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -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. + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph a -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 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References No definition available. + Details
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- Definition Number of share instruments newly issued under a share-based compensation plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 65 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -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. + Details
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