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Stock-Based Compensation (Details Textual) (USD $) | 0 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 1 Months Ended | 12 Months Ended
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Feb. 22, 2010 | Nov. 30, 2008 | Dec. 27, 2008 | Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011 | Dec. 28, 2013 Stock Options [Member] | Nov. 21, 2011 Restricted Stock Units (RSUs) [Member] | Dec. 28, 2013 Restricted Stock Units (RSUs) [Member] | Dec. 29, 2012 Restricted Stock Units (RSUs) [Member] | Dec. 28, 2013 Maximum [Member] Restricted Stock Units (RSUs) [Member] | Dec. 28, 2013 Minimum [Member] Restricted Stock Units (RSUs) [Member] | May 24, 2013 2005 Equity Incentive Plan [Member] | Feb. 22, 2010 2005 Equity Incentive Plan [Member] | Aug. 31, 2011 2005 Equity Incentive Plan [Member] | Dec. 28, 2013 2005 Equity Incentive Plan [Member]
Stock Based Compensation (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated forfeiture rate |  |  |  | 11.90% | 7.60% | 6.30% |  |  |  |  |  |  |  |  |  |
Excess tax benefit |  |  |  | $ (53,000) | $ 910,000 | $ 3,915,000 |  |  |  |  |  |  |  |  |  |
Vesting percentage | 2.77778% |  | 33.33333% |  |  |  |  | 33.33333% |  |  |  |  |  |  |  |
Option term |  |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |
Initial vesting percentage | 25.00% | 33.33333% |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |
Period of vesting | 4 years |  | 3 years |  |  |  |  |  |  |  | 3 years | 1 year |  |  |  |
Ratio of restricted stock units against available for grant pool |  |  |  |  |  |  |  |  |  |  |  |  | 1.7 | 2 |  |
Shares Authorized |  |  |  |  |  |  |  |  |  |  |  |  | 2,600,000 |  |  | 7,292,594
RSUs granted (in shares) |  |  |  |  |  |  |  | 286,180 | 348,328 | 51,777 |  |  |  |  |  | 664,902
RSUs cancelled (in shares) |  |  |  |  |  |  |  |  | 77,952 |  |  |  |  |  |  | 133,418
Weighted average fair value per share of stock options (in dollars per share) |  |  |  | $ 8.58 | $ 10.00 | $ 9.98 |  |  |  |  |  |  |  |  |  |
Closing stock price of options (in dollars per share) |  |  |  | $ 18.61 |  |  |  |  |  |  |  |  |  |  |  |
Intrinsic value of options exercised |  |  |  | 2,900,000 | 4,900,000 | 11,600,000 |  |  |  |  |  |  |  |  |  |
Fair value of options vested |  |  |  | 3,700,000 | 3,600,000 | 2,900,000 |  |  |  |  |  |  |  |  |  |
Unrecognized compensation costs |  |  |  |  |  |  | $ 5,300,000 |  | $ 3,100,000 |  |  |  |  |  |  |
Weighted average remaining amortization period for unrecognized compensation costs |  |  |  |  |  |  | 2 years 4 months 45 days |  | 1 year 9 months 29 days |  |  |  |  |  |  |
Additional shares authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |
Shares per unit granted |  |  |  |  |  |  |  |  | 1.7 |  |  |  |  |  |  |

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- Definition Ratio of Restricted Stock Units Against Available for Grant Pool + References No definition available. + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + 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 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 Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11374-113907 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting 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 (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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 -Subparagraph (c)(2)(iii)(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 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 Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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 (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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