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Stockholders' Equity and Stock-Based Compensation (Details) (USD $) | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | ---
Dec. 28, 2013 | Dec. 31, 2001 Supplemental Equity Plan 2001 | Dec. 31, 2001 2001 Equity Plan | Dec. 28, 2013 2001 Equity Plan | Dec. 28, 2013 2010 Equity Plan | Dec. 28, 2013 2010 Equity Plan Stock options | Dec. 28, 2013 2010 Equity Plan Stock options Minimum | Dec. 28, 2013 Period 2 Unvested Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period |  |  |  |  |  |  |  | 2 years
Authorized stock repurchase amount | $ 30,000,000 |  |  |  |  |  |  |
Number of shares repurchased since inception | 2,171,400 |  |  |  |  |  |  |
Value of shares repurchased since inception | $ 7,991,954 |  |  |  |  |  |  |
Number of shares authorized |  |  | 7,100,000 |  |  |  |  |
Life of award |  | 10 years | 10 years |  |  | 10 years |  |
Number of shares that may be issued |  | 0 |  | 0 | 1,200,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized | 2,600,000 |  |  |  |  |  |  |
Purchase price of common stock under equity plans as percent of fair value at the grant date |  |  |  |  |  | 110.00% | 100.00% |

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- Definition Stock Repurchase Program, Aggregate Number of Shares Repurchased - number of shares repurchased since the inception of the program + References No definition available. + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of additional shares authorized for issuance under an established share-based compensation plan. + References No definition available. + 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 The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 + Details
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